2025 Review: 2026 UK Energy Priorities

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

Table of Contents

2025 Review: 2026 UK Energy Priorities – What Must Happen Now

2025 was the year the energy transition stopped being about technology potential and started being about economic reality. Hydrogen projects with paying customers advanced; those chasing subsidies failed. AI data centres displaced industrial decarbonization. Policy paralysis cost billions. Here’s what happened, why it matters, and what 2026 UK energy priorities must address if Britain is serious about Clean Power 2030, hydrogen deployment, and innovation leadership.


Theme 1: Hydrogen Grew Up—and Not Everyone Survived

The defining hydrogen story of 2025 wasn’t about technology breakthroughs—it was about business model Darwinism. Projects with anchor customers, offtake contracts, and cashflow visibility advanced. Projects built on subsidy hopes and press releases died.

BP’s withdrawal from H2Teesside epitomized the shift. The public narrative blamed an “AI mega-campus,” but the real killer was prosaic: Sabic closed its Olefins 6 cracker, eliminating the £2 billion blue hydrogen project’s anchor customer. Fortescue scrapped two projects. Headlines proclaimed another “hydrogen bubble” burst.

But this wasn’t hydrogen’s death—it was its maturation. The froth burned off. What remains is leaner, more disciplined, and focused on applications that justify infrastructure investment: zero-carbon steelmaking, seasonal renewable storage, and long-haul heavy transport where electrons can’t compete. For detailed analysis of these use cases, see our hydrogen versus battery-electric comparison through 2030.

Meanwhile, green hydrogen projects advanced in Namibia, Saudi Arabia’s Yanbu, and the Gulf—not because economics are perfect today, but because first-movers are building supply chains that will make them perfect tomorrow. Hyphen’s Namibian plant entered FEED. NEOM’s $6.5 billion Air Products offtake sparked shareholder revolt, yet construction continues.

2026 UK Energy Priorities – Hydrogen Deployment:

  • HAR2 Contract Awards (Early 2026): The UK’s Hydrogen Allocation Round 2 targets 875 MW—seven times HAR1’s 125 MW. This is the first real test of whether government can scale hydrogen support beyond demonstration. For detailed policy context, see our UK Hydrogen Policy 2025 analysis.
  • First Regional H2 Transport/Storage Network FID: Government committed £500m+ for regional hydrogen networks operational by 2031. Without transport infrastructure, production capacity is stranded.
  • Hydrogen-to-Power Business Model Launch: Hydrogen-fired power generation needs de-risked investment for Clean Power 2030’s 40-50 GW dispatchable flexibility requirement.
  • Offtake Contract Clarity: Industrial sectors (steel, ammonia, chemicals) must commit to hydrogen purchase agreements. Without demand certainty, supply projects won’t reach FID. The green steel sector is particularly critical here.

The Risk: The 10 GW target requires deploying 2.5 GW per year starting now. HAR1 delivered 125 MW total. The math doesn’t work unless allocation rounds scale 20-fold.

Theme 2: AI Data Centres Won the Land Grab

If hydrogen defined 2025’s losses, AI data centres defined its wins. Hyperscale facilities outbid hydrogen plants, green steel projects, and renewable energy infrastructure for prime industrial sites. The economics are brutal: data centres deliver premium rents, long-term strategic value, and immediate private investment.

Teesside’s rumored £100 billion Google-backed AI campus displaced BP’s hydrogen infrastructure through rent arithmetic. A hyperscale data centre requires gigawatt-scale power with 99.999% uptime. When grid connections take 10-15 years, operators look for alternatives. Enter the gas network—not for heating, but as backup power infrastructure. This dynamic is explored in detail in our UK gas grid strategy analysis.

The irony cuts deep: the displaced hydrogen plant would have produced low-carbon energy for heavy industry. Its replacement increases electricity demand, potentially undermining decarbonization targets. Welcome to 2025, where the path of least resistance beats the path of greatest climate impact.

2026 UK Energy Priorities – Data Centre Integration:

  • Strategic Spatial Energy Plan Implementation: NESO’s spatial planning must guide industrial siting decisions, ensuring data centres locate where grid capacity exists.
  • Grid Connection Queue Reform: Reform must prioritize projects aligned with Clean Power 2030 and industrial strategy, not just those with deepest pockets.
  • Data Centre Energy Efficiency Standards: Mandate best-in-class efficiency, waste heat recovery, and renewable energy procurement.
  • Gas Network Strategy Clarity: The 2026 gas grid strategy must address whether data centre backup power is temporary transition or permanent dependency.

Theme 3: UK Policy Paralysis Cost Billions

British energy and innovation policy spent 2025 trapped in “The Prisoner’s Dilemma”—where rational individual decisions by network operators produce collectively irrational outcomes costing £2-3 billion annually.

The UK gas grid epitomizes the dysfunction. Government simultaneously signals gas phase-out (boiler ban by 2035) while promising “our gas network will always be part of our energy system.” Network operators respond by investing billions in hydrogen blending infrastructure—hedging both scenarios but maximizing consumer costs.

Denmark committed to gas phase-out by 2030 with clear compensation mechanisms. Germany approved an €18.9 billion hydrogen core network with government-backed risk sharing. The Netherlands coordinates gas and electricity TSOs through joint planning. The UK? Endless consultations, contradictory statements, and mounting costs.

Innovation policy showed similar symptoms. The UK slipped from #2 (2015) to #6 (2025) on WIPO’s Global Innovation Index. As explored in our UK Innovation Is Misfiring analysis, the ranking drop is a symptom. The disease is structural: decision-makers without technical expertise, incentives rewarding papers over plants, chronic underinvestment in foundational STEM, and procurement dysfunction.

2026 UK Energy Priorities – Policy Reform:

  • 2026 Heating Strategy Decision: End the gas grid limbo. Either commit to phase-out with compensation OR commit to hydrogen conversion with demand anchor confirmation. Continued indecision costs £2-3 billion per year.
  • HAR3 Launch by Year-End: Maintain hydrogen deployment momentum toward 10 GW target.
  • UKRI R&D Missions Implementation: £38.6 billion 2025-26 UKRI budget must fund first-of-a-kind deployment with customer offtake—not just laboratory research. This mirrors the historical pattern of government funding transformative technologies.
  • Innovation Procurement Reform: Enforce 30-day payment terms. Embed technical operators in major programmes. Treat semiconductors, chemicals, and PNT as strategic infrastructure.

Theme 4: Grid Curtailment—The £1.5 Billion Wake-Up Call

Wind curtailment costs hit £1.5 billion in 2025—up from £1.23 billion in 2024 and £282 million in 2020. Without intervention, projections suggest £8 billion annually by 2030. As detailed in our comprehensive curtailment analysis, the core problem is simple: Scotland’s wind generation exploded faster than transmission capacity to England.

The B6 boundary—the transmission interface between Scotland and England—comprises just two main AC lines plus one HVDC link. When full, Scottish wind must be curtailed (with compensation payments) while gas plants south of the boundary are dispatched (with generation payments). Consumers pay both sides of the transaction through bill levies.

The fastest solution exists but isn’t being used: battery storage. Imperial College research suggests medium-duration storage could save £500 million to £3.5 billion annually. Yet NESO “constraint skips” batteries 90% of the time during constrained periods, choosing more expensive alternatives.

2026 UK Energy Priorities – Grid Optimization:

  • NESO Battery Dispatch Reform: Mandate batteries receive dispatch priority during constraints when they’re the least-cost option. Could deliver £600-800 million annual savings immediately.
  • EGL1/EGL2 Emergency Delivery Focus: Eastern Green Links 1 and 2 are already 16 months late. Each year of delay costs £3.6 billion in curtailment.
  • Demand Flexibility Acceleration: Scale from 24 GW today to 51-66 GW by 2030. Deploy V2G infrastructure targeting 5 GW peak capability.
  • Strategic Hydrogen Deployment: Pair electrolysers with offshore wind targeting 40-50% utilisation. Deploy 2-3 GW behind-the-meter capacity.

Theme 5: Technology Worked; Infrastructure and Policy Lagged

One of 2025’s genuine stories was technologies graduating from laboratory to commercial reality—then hitting deployment barriers that had nothing to do with technical viability.

Hydrogen Internal Combustion Engines (H2ICE): JCB secured EU type approval. Cummins ramped X15H engine production. MAN brought 200 hTGX trucks to market. As covered in our Ultimate H2ICE Guide, optimized engines now exceed 50% brake thermal efficiency, rival diesel on fuel economy, and deliver near-zero tailpipe NOx and PM. Yet deployment depends on hydrogen supply reaching €2-2.50/kg, AFIR corridor stations scaling to 500+ public hubs by 2030, and regulatory alignment crediting lifecycle emissions.

Green Steel: Sweden’s SSAB leads commercially. Germany’s Salzgitter and Thyssenkrupp follow with hydrogen-based DRI projects. The EU’s Carbon Border Adjustment Mechanism (CBAM) became operational, reshaping global steel trade around embedded emissions. As explored in our Green Steel and CBAM analysis, market research projects $129 billion to $1.3 trillion by 2030-35. The UK? Still consulting.

Battery Storage: Grid-scale batteries moved rapidly down cost curves. The UK targets 27 GW BESS capacity by 2030. The technology is proven, economics compelling, yet operational rules underuse existing capacity.

2026 UK Energy Priorities – Deployment Acceleration:

  • H2ICE Infrastructure Deployment: Focus AFIR station deployment on commercial vehicle corridors. Coordinate with hydrogen production allocation to ensure supply availability matches vehicle deployment.
  • Green Steel Support Package: Launch UK equivalent of Germany’s industrial cluster support. Provide hydrogen supply contracts at competitive €2-3/kg pricing. Align CBAM compliance systems.
  • Battery Connection Fast-Track: Prioritize strategically located battery storage in connection queue. Focus on constraint boundaries (B6, East Anglia) where curtailment reduction value is highest.
  • Zero-Emission HGV Demonstration Continuation: Government committed funding through UKRI for ZE-HGV demonstrations. Extend beyond March 2026 to support commercial transition.

Theme 6: Decarbonization Became Geopolitics

2025 was the year energy transition stopped being primarily a climate story and became explicitly a strategic competition. Three developments crystallized the shift:

China’s Rare Earths Export Controls: Controls on gallium, germanium, and specific rare earth elements immediately impacted semiconductor, defense, and renewable energy supply chains. China controls ~70% of global mining and over 85% of processing capacity. The West’s response: accelerate domestic mining, build processing capacity outside China, invest in recycling infrastructure, and fund rare-earth-free motor designs.

EU CBAM Operational: The Carbon Border Adjustment Mechanism moved from reporting phase to reshaping global steel, cement, and aluminum trade. European green steel projects secured offtake contracts based on CBAM-driven price premiums. Non-EU producers face tariffs unless decarbonizing.

IMO Shipping Delay: The International Maritime Organization’s failure to agree meaningful carbon pricing exposed the politics-versus-physics tension. As covered in our IMO Shipping Decarbonisation Delay analysis, the result: EU and others proceed unilaterally, fragmenting global maritime regulation.


Ten Critical 2026 UK Energy Priorities – Decision Points

Looking ahead, 2026 will be defined by decisions either made or deferred. These ten priorities determine whether the UK leads or follows:

  1. UK Gas Grid Heating Strategy Consultation: Determines £74bn+ infrastructure investment direction. Decision cannot be deferred again.
  2. HAR2 Contract Awards (Early 2026): First test of scaled hydrogen allocation. Seven times HAR1’s capacity.
  3. EGL1 Delivery Checkpoint: Already 16 months late. Each additional year costs £3.6bn in curtailment.
  4. Clean Power 2030 Progress Review: 95%+ low-carbon target requires 5 GW offshore wind deployment per year versus 1 GW historical average.
  5. UKRI R&D Missions Implementation: £8bn government priority allocation must link to first-of-a-kind deployment, not just research.
  6. NESO Battery Dispatch Reform: Operational changes can deliver £600m+ annual savings immediately.
  7. First Regional H2 Transport/Storage Network FID: £500m+ commitment for networks operational by 2031.
  8. CBAM Transition to Tariffs: Reporting phase ends; financial penalties begin. UK-EU alignment critical.
  9. Hydrogen-to-Power Business Model Launch: De-risks investment in hydrogen-fired power generation.
  10. Innovation Procurement Reform: 30-day payment enforcement, FOAK deployment support, technical judgment embedding.

What 2025 Taught Us About 2026

If there’s a through-line in 2025, it’s this: the energy transition stopped being about technology and started being about economics, policy execution, and strategic coordination.

Hydrogen matured—projects with paying customers advanced, those chasing subsidies failed. AI data centres reshaped industrial land economics. UK policy remained trapped in strategic limbo costing billions annually. Grid curtailment hit £1.5bn while proven battery solutions remained underused. Technologies graduated to commercial readiness, then hit infrastructure and policy barriers. Decarbonization became geopolitics through CBAM, rare earths, and regulatory fragmentation.

The lesson: technology is the easy part. Policy coherence, infrastructure deployment, anchor customer commitments, and regulatory frameworks determine success. In 2025, the winners solved those hard problems. The losers assumed technology alone was enough.

2026 will reveal whether the UK learned the lesson. Denmark committed to gas phase-out with certainty. Germany approved €18.9bn hydrogen networks with risk-sharing. Sweden commercialized green steel. The EU made CBAM operational. China secured rare earths dominance. The UK consulted.

The 2026 UK energy priorities laid out above cannot be deferred. Clean Power 2030 requires 5 GW annual offshore wind deployment starting now. The 10 GW hydrogen target requires 2.5 GW allocation per year. Grid curtailment costs compound toward £8bn without immediate battery dispatch reform and EGL delivery. Innovation ranking decline continues without structural reform linking funding to commercialization.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

2025 Review: 2026 UK Energy Priorities – What Must Happen Now

2025 was the year the energy transition stopped being about technology potential and started being about economic reality. Hydrogen projects with paying customers advanced; those chasing subsidies failed. AI data centres displaced industrial decarbonization. Policy paralysis cost billions. Here’s what happened, why it matters, and what 2026 UK energy priorities must address if Britain is serious about Clean Power 2030, hydrogen deployment, and innovation leadership.


Theme 1: Hydrogen Grew Up—and Not Everyone Survived

The defining hydrogen story of 2025 wasn’t about technology breakthroughs—it was about business model Darwinism. Projects with anchor customers, offtake contracts, and cashflow visibility advanced. Projects built on subsidy hopes and press releases died.

BP’s withdrawal from H2Teesside epitomized the shift. The public narrative blamed an “AI mega-campus,” but the real killer was prosaic: Sabic closed its Olefins 6 cracker, eliminating the £2 billion blue hydrogen project’s anchor customer. Fortescue scrapped two projects. Headlines proclaimed another “hydrogen bubble” burst.

But this wasn’t hydrogen’s death—it was its maturation. The froth burned off. What remains is leaner, more disciplined, and focused on applications that justify infrastructure investment: zero-carbon steelmaking, seasonal renewable storage, and long-haul heavy transport where electrons can’t compete. For detailed analysis of these use cases, see our hydrogen versus battery-electric comparison through 2030.

Meanwhile, green hydrogen projects advanced in Namibia, Saudi Arabia’s Yanbu, and the Gulf—not because economics are perfect today, but because first-movers are building supply chains that will make them perfect tomorrow. Hyphen’s Namibian plant entered FEED. NEOM’s $6.5 billion Air Products offtake sparked shareholder revolt, yet construction continues.

2026 UK Energy Priorities – Hydrogen Deployment:

  • HAR2 Contract Awards (Early 2026): The UK’s Hydrogen Allocation Round 2 targets 875 MW—seven times HAR1’s 125 MW. This is the first real test of whether government can scale hydrogen support beyond demonstration. For detailed policy context, see our UK Hydrogen Policy 2025 analysis.
  • First Regional H2 Transport/Storage Network FID: Government committed £500m+ for regional hydrogen networks operational by 2031. Without transport infrastructure, production capacity is stranded.
  • Hydrogen-to-Power Business Model Launch: Hydrogen-fired power generation needs de-risked investment for Clean Power 2030’s 40-50 GW dispatchable flexibility requirement.
  • Offtake Contract Clarity: Industrial sectors (steel, ammonia, chemicals) must commit to hydrogen purchase agreements. Without demand certainty, supply projects won’t reach FID. The green steel sector is particularly critical here.

The Risk: The 10 GW target requires deploying 2.5 GW per year starting now. HAR1 delivered 125 MW total. The math doesn’t work unless allocation rounds scale 20-fold.

Theme 2: AI Data Centres Won the Land Grab

If hydrogen defined 2025’s losses, AI data centres defined its wins. Hyperscale facilities outbid hydrogen plants, green steel projects, and renewable energy infrastructure for prime industrial sites. The economics are brutal: data centres deliver premium rents, long-term strategic value, and immediate private investment.

Teesside’s rumored £100 billion Google-backed AI campus displaced BP’s hydrogen infrastructure through rent arithmetic. A hyperscale data centre requires gigawatt-scale power with 99.999% uptime. When grid connections take 10-15 years, operators look for alternatives. Enter the gas network—not for heating, but as backup power infrastructure. This dynamic is explored in detail in our UK gas grid strategy analysis.

The irony cuts deep: the displaced hydrogen plant would have produced low-carbon energy for heavy industry. Its replacement increases electricity demand, potentially undermining decarbonization targets. Welcome to 2025, where the path of least resistance beats the path of greatest climate impact.

2026 UK Energy Priorities – Data Centre Integration:

  • Strategic Spatial Energy Plan Implementation: NESO’s spatial planning must guide industrial siting decisions, ensuring data centres locate where grid capacity exists.
  • Grid Connection Queue Reform: Reform must prioritize projects aligned with Clean Power 2030 and industrial strategy, not just those with deepest pockets.
  • Data Centre Energy Efficiency Standards: Mandate best-in-class efficiency, waste heat recovery, and renewable energy procurement.
  • Gas Network Strategy Clarity: The 2026 gas grid strategy must address whether data centre backup power is temporary transition or permanent dependency.

Theme 3: UK Policy Paralysis Cost Billions

British energy and innovation policy spent 2025 trapped in “The Prisoner’s Dilemma”—where rational individual decisions by network operators produce collectively irrational outcomes costing £2-3 billion annually.

The UK gas grid epitomizes the dysfunction. Government simultaneously signals gas phase-out (boiler ban by 2035) while promising “our gas network will always be part of our energy system.” Network operators respond by investing billions in hydrogen blending infrastructure—hedging both scenarios but maximizing consumer costs.

Denmark committed to gas phase-out by 2030 with clear compensation mechanisms. Germany approved an €18.9 billion hydrogen core network with government-backed risk sharing. The Netherlands coordinates gas and electricity TSOs through joint planning. The UK? Endless consultations, contradictory statements, and mounting costs.

Innovation policy showed similar symptoms. The UK slipped from #2 (2015) to #6 (2025) on WIPO’s Global Innovation Index. As explored in our UK Innovation Is Misfiring analysis, the ranking drop is a symptom. The disease is structural: decision-makers without technical expertise, incentives rewarding papers over plants, chronic underinvestment in foundational STEM, and procurement dysfunction.

2026 UK Energy Priorities – Policy Reform:

  • 2026 Heating Strategy Decision: End the gas grid limbo. Either commit to phase-out with compensation OR commit to hydrogen conversion with demand anchor confirmation. Continued indecision costs £2-3 billion per year.
  • HAR3 Launch by Year-End: Maintain hydrogen deployment momentum toward 10 GW target.
  • UKRI R&D Missions Implementation: £38.6 billion 2025-26 UKRI budget must fund first-of-a-kind deployment with customer offtake—not just laboratory research. This mirrors the historical pattern of government funding transformative technologies.
  • Innovation Procurement Reform: Enforce 30-day payment terms. Embed technical operators in major programmes. Treat semiconductors, chemicals, and PNT as strategic infrastructure.

Theme 4: Grid Curtailment—The £1.5 Billion Wake-Up Call

Wind curtailment costs hit £1.5 billion in 2025—up from £1.23 billion in 2024 and £282 million in 2020. Without intervention, projections suggest £8 billion annually by 2030. As detailed in our comprehensive curtailment analysis, the core problem is simple: Scotland’s wind generation exploded faster than transmission capacity to England.

The B6 boundary—the transmission interface between Scotland and England—comprises just two main AC lines plus one HVDC link. When full, Scottish wind must be curtailed (with compensation payments) while gas plants south of the boundary are dispatched (with generation payments). Consumers pay both sides of the transaction through bill levies.

The fastest solution exists but isn’t being used: battery storage. Imperial College research suggests medium-duration storage could save £500 million to £3.5 billion annually. Yet NESO “constraint skips” batteries 90% of the time during constrained periods, choosing more expensive alternatives.

2026 UK Energy Priorities – Grid Optimization:

  • NESO Battery Dispatch Reform: Mandate batteries receive dispatch priority during constraints when they’re the least-cost option. Could deliver £600-800 million annual savings immediately.
  • EGL1/EGL2 Emergency Delivery Focus: Eastern Green Links 1 and 2 are already 16 months late. Each year of delay costs £3.6 billion in curtailment.
  • Demand Flexibility Acceleration: Scale from 24 GW today to 51-66 GW by 2030. Deploy V2G infrastructure targeting 5 GW peak capability.
  • Strategic Hydrogen Deployment: Pair electrolysers with offshore wind targeting 40-50% utilisation. Deploy 2-3 GW behind-the-meter capacity.

Theme 5: Technology Worked; Infrastructure and Policy Lagged

One of 2025’s genuine stories was technologies graduating from laboratory to commercial reality—then hitting deployment barriers that had nothing to do with technical viability.

Hydrogen Internal Combustion Engines (H2ICE): JCB secured EU type approval. Cummins ramped X15H engine production. MAN brought 200 hTGX trucks to market. As covered in our Ultimate H2ICE Guide, optimized engines now exceed 50% brake thermal efficiency, rival diesel on fuel economy, and deliver near-zero tailpipe NOx and PM. Yet deployment depends on hydrogen supply reaching €2-2.50/kg, AFIR corridor stations scaling to 500+ public hubs by 2030, and regulatory alignment crediting lifecycle emissions.

Green Steel: Sweden’s SSAB leads commercially. Germany’s Salzgitter and Thyssenkrupp follow with hydrogen-based DRI projects. The EU’s Carbon Border Adjustment Mechanism (CBAM) became operational, reshaping global steel trade around embedded emissions. As explored in our Green Steel and CBAM analysis, market research projects $129 billion to $1.3 trillion by 2030-35. The UK? Still consulting.

Battery Storage: Grid-scale batteries moved rapidly down cost curves. The UK targets 27 GW BESS capacity by 2030. The technology is proven, economics compelling, yet operational rules underuse existing capacity.

2026 UK Energy Priorities – Deployment Acceleration:

  • H2ICE Infrastructure Deployment: Focus AFIR station deployment on commercial vehicle corridors. Coordinate with hydrogen production allocation to ensure supply availability matches vehicle deployment.
  • Green Steel Support Package: Launch UK equivalent of Germany’s industrial cluster support. Provide hydrogen supply contracts at competitive €2-3/kg pricing. Align CBAM compliance systems.
  • Battery Connection Fast-Track: Prioritize strategically located battery storage in connection queue. Focus on constraint boundaries (B6, East Anglia) where curtailment reduction value is highest.
  • Zero-Emission HGV Demonstration Continuation: Government committed funding through UKRI for ZE-HGV demonstrations. Extend beyond March 2026 to support commercial transition.

Theme 6: Decarbonization Became Geopolitics

2025 was the year energy transition stopped being primarily a climate story and became explicitly a strategic competition. Three developments crystallized the shift:

China’s Rare Earths Export Controls: Controls on gallium, germanium, and specific rare earth elements immediately impacted semiconductor, defense, and renewable energy supply chains. China controls ~70% of global mining and over 85% of processing capacity. The West’s response: accelerate domestic mining, build processing capacity outside China, invest in recycling infrastructure, and fund rare-earth-free motor designs.

EU CBAM Operational: The Carbon Border Adjustment Mechanism moved from reporting phase to reshaping global steel, cement, and aluminum trade. European green steel projects secured offtake contracts based on CBAM-driven price premiums. Non-EU producers face tariffs unless decarbonizing.

IMO Shipping Delay: The International Maritime Organization’s failure to agree meaningful carbon pricing exposed the politics-versus-physics tension. As covered in our IMO Shipping Decarbonisation Delay analysis, the result: EU and others proceed unilaterally, fragmenting global maritime regulation.


Ten Critical 2026 UK Energy Priorities – Decision Points

Looking ahead, 2026 will be defined by decisions either made or deferred. These ten priorities determine whether the UK leads or follows:

  1. UK Gas Grid Heating Strategy Consultation: Determines £74bn+ infrastructure investment direction. Decision cannot be deferred again.
  2. HAR2 Contract Awards (Early 2026): First test of scaled hydrogen allocation. Seven times HAR1’s capacity.
  3. EGL1 Delivery Checkpoint: Already 16 months late. Each additional year costs £3.6bn in curtailment.
  4. Clean Power 2030 Progress Review: 95%+ low-carbon target requires 5 GW offshore wind deployment per year versus 1 GW historical average.
  5. UKRI R&D Missions Implementation: £8bn government priority allocation must link to first-of-a-kind deployment, not just research.
  6. NESO Battery Dispatch Reform: Operational changes can deliver £600m+ annual savings immediately.
  7. First Regional H2 Transport/Storage Network FID: £500m+ commitment for networks operational by 2031.
  8. CBAM Transition to Tariffs: Reporting phase ends; financial penalties begin. UK-EU alignment critical.
  9. Hydrogen-to-Power Business Model Launch: De-risks investment in hydrogen-fired power generation.
  10. Innovation Procurement Reform: 30-day payment enforcement, FOAK deployment support, technical judgment embedding.

What 2025 Taught Us About 2026

If there’s a through-line in 2025, it’s this: the energy transition stopped being about technology and started being about economics, policy execution, and strategic coordination.

Hydrogen matured—projects with paying customers advanced, those chasing subsidies failed. AI data centres reshaped industrial land economics. UK policy remained trapped in strategic limbo costing billions annually. Grid curtailment hit £1.5bn while proven battery solutions remained underused. Technologies graduated to commercial readiness, then hit infrastructure and policy barriers. Decarbonization became geopolitics through CBAM, rare earths, and regulatory fragmentation.

The lesson: technology is the easy part. Policy coherence, infrastructure deployment, anchor customer commitments, and regulatory frameworks determine success. In 2025, the winners solved those hard problems. The losers assumed technology alone was enough.

2026 will reveal whether the UK learned the lesson. Denmark committed to gas phase-out with certainty. Germany approved €18.9bn hydrogen networks with risk-sharing. Sweden commercialized green steel. The EU made CBAM operational. China secured rare earths dominance. The UK consulted.

The 2026 UK energy priorities laid out above cannot be deferred. Clean Power 2030 requires 5 GW annual offshore wind deployment starting now. The 10 GW hydrogen target requires 2.5 GW allocation per year. Grid curtailment costs compound toward £8bn without immediate battery dispatch reform and EGL delivery. Innovation ranking decline continues without structural reform linking funding to commercialization.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

2025 Review: 2026 UK Energy Priorities – What Must Happen Now

2025 was the year the energy transition stopped being about technology potential and started being about economic reality. Hydrogen projects with paying customers advanced; those chasing subsidies failed. AI data centres displaced industrial decarbonization. Policy paralysis cost billions. Here’s what happened, why it matters, and what 2026 UK energy priorities must address if Britain is serious about Clean Power 2030, hydrogen deployment, and innovation leadership.


Theme 1: Hydrogen Grew Up—and Not Everyone Survived

The defining hydrogen story of 2025 wasn’t about technology breakthroughs—it was about business model Darwinism. Projects with anchor customers, offtake contracts, and cashflow visibility advanced. Projects built on subsidy hopes and press releases died.

BP’s withdrawal from H2Teesside epitomized the shift. The public narrative blamed an “AI mega-campus,” but the real killer was prosaic: Sabic closed its Olefins 6 cracker, eliminating the £2 billion blue hydrogen project’s anchor customer. Fortescue scrapped two projects. Headlines proclaimed another “hydrogen bubble” burst.

But this wasn’t hydrogen’s death—it was its maturation. The froth burned off. What remains is leaner, more disciplined, and focused on applications that justify infrastructure investment: zero-carbon steelmaking, seasonal renewable storage, and long-haul heavy transport where electrons can’t compete. For detailed analysis of these use cases, see our hydrogen versus battery-electric comparison through 2030.

Meanwhile, green hydrogen projects advanced in Namibia, Saudi Arabia’s Yanbu, and the Gulf—not because economics are perfect today, but because first-movers are building supply chains that will make them perfect tomorrow. Hyphen’s Namibian plant entered FEED. NEOM’s $6.5 billion Air Products offtake sparked shareholder revolt, yet construction continues.

2026 UK Energy Priorities – Hydrogen Deployment:

  • HAR2 Contract Awards (Early 2026): The UK’s Hydrogen Allocation Round 2 targets 875 MW—seven times HAR1’s 125 MW. This is the first real test of whether government can scale hydrogen support beyond demonstration. For detailed policy context, see our UK Hydrogen Policy 2025 analysis.
  • First Regional H2 Transport/Storage Network FID: Government committed £500m+ for regional hydrogen networks operational by 2031. Without transport infrastructure, production capacity is stranded.
  • Hydrogen-to-Power Business Model Launch: Hydrogen-fired power generation needs de-risked investment for Clean Power 2030’s 40-50 GW dispatchable flexibility requirement.
  • Offtake Contract Clarity: Industrial sectors (steel, ammonia, chemicals) must commit to hydrogen purchase agreements. Without demand certainty, supply projects won’t reach FID. The green steel sector is particularly critical here.

The Risk: The 10 GW target requires deploying 2.5 GW per year starting now. HAR1 delivered 125 MW total. The math doesn’t work unless allocation rounds scale 20-fold.

Theme 2: AI Data Centres Won the Land Grab

If hydrogen defined 2025’s losses, AI data centres defined its wins. Hyperscale facilities outbid hydrogen plants, green steel projects, and renewable energy infrastructure for prime industrial sites. The economics are brutal: data centres deliver premium rents, long-term strategic value, and immediate private investment.

Teesside’s rumored £100 billion Google-backed AI campus displaced BP’s hydrogen infrastructure through rent arithmetic. A hyperscale data centre requires gigawatt-scale power with 99.999% uptime. When grid connections take 10-15 years, operators look for alternatives. Enter the gas network—not for heating, but as backup power infrastructure. This dynamic is explored in detail in our UK gas grid strategy analysis.

The irony cuts deep: the displaced hydrogen plant would have produced low-carbon energy for heavy industry. Its replacement increases electricity demand, potentially undermining decarbonization targets. Welcome to 2025, where the path of least resistance beats the path of greatest climate impact.

2026 UK Energy Priorities – Data Centre Integration:

  • Strategic Spatial Energy Plan Implementation: NESO’s spatial planning must guide industrial siting decisions, ensuring data centres locate where grid capacity exists.
  • Grid Connection Queue Reform: Reform must prioritize projects aligned with Clean Power 2030 and industrial strategy, not just those with deepest pockets.
  • Data Centre Energy Efficiency Standards: Mandate best-in-class efficiency, waste heat recovery, and renewable energy procurement.
  • Gas Network Strategy Clarity: The 2026 gas grid strategy must address whether data centre backup power is temporary transition or permanent dependency.

Theme 3: UK Policy Paralysis Cost Billions

British energy and innovation policy spent 2025 trapped in “The Prisoner’s Dilemma”—where rational individual decisions by network operators produce collectively irrational outcomes costing £2-3 billion annually.

The UK gas grid epitomizes the dysfunction. Government simultaneously signals gas phase-out (boiler ban by 2035) while promising “our gas network will always be part of our energy system.” Network operators respond by investing billions in hydrogen blending infrastructure—hedging both scenarios but maximizing consumer costs.

Denmark committed to gas phase-out by 2030 with clear compensation mechanisms. Germany approved an €18.9 billion hydrogen core network with government-backed risk sharing. The Netherlands coordinates gas and electricity TSOs through joint planning. The UK? Endless consultations, contradictory statements, and mounting costs.

Innovation policy showed similar symptoms. The UK slipped from #2 (2015) to #6 (2025) on WIPO’s Global Innovation Index. As explored in our UK Innovation Is Misfiring analysis, the ranking drop is a symptom. The disease is structural: decision-makers without technical expertise, incentives rewarding papers over plants, chronic underinvestment in foundational STEM, and procurement dysfunction.

2026 UK Energy Priorities – Policy Reform:

  • 2026 Heating Strategy Decision: End the gas grid limbo. Either commit to phase-out with compensation OR commit to hydrogen conversion with demand anchor confirmation. Continued indecision costs £2-3 billion per year.
  • HAR3 Launch by Year-End: Maintain hydrogen deployment momentum toward 10 GW target.
  • UKRI R&D Missions Implementation: £38.6 billion 2025-26 UKRI budget must fund first-of-a-kind deployment with customer offtake—not just laboratory research. This mirrors the historical pattern of government funding transformative technologies.
  • Innovation Procurement Reform: Enforce 30-day payment terms. Embed technical operators in major programmes. Treat semiconductors, chemicals, and PNT as strategic infrastructure.

Theme 4: Grid Curtailment—The £1.5 Billion Wake-Up Call

Wind curtailment costs hit £1.5 billion in 2025—up from £1.23 billion in 2024 and £282 million in 2020. Without intervention, projections suggest £8 billion annually by 2030. As detailed in our UK wind curtailment costs and grid constraints, the core problem is simple: Scotland’s wind generation exploded faster than transmission capacity to England.

The B6 boundary—the transmission interface between Scotland and England—comprises just two main AC lines plus one HVDC link. When full, Scottish wind must be curtailed (with compensation payments) while gas plants south of the boundary are dispatched (with generation payments). Consumers pay both sides of the transaction through bill levies.

This is the structural inefficiency explored in UK wind curtailment costs and grid constraints, where system design, not technology, drives the outcome.

The fastest solution exists but isn’t being used: battery storage. Imperial College research suggests medium-duration storage could save £500 million to £3.5 billion annually. Yet NESO “constraint skips” batteries 90% of the time during constrained periods, choosing more expensive alternatives.

2026 UK Energy Priorities – Grid Optimization:

  • NESO Battery Dispatch Reform: Mandate batteries receive dispatch priority during constraints when they’re the least-cost option. Could deliver £600-800 million annual savings immediately.
  • EGL1/EGL2 Emergency Delivery Focus: Eastern Green Links 1 and 2 are already 16 months late. Each year of delay costs £3.6 billion in curtailment.
  • Demand Flexibility Acceleration: Scale from 24 GW today to 51-66 GW by 2030. Deploy V2G infrastructure targeting 5 GW peak capability.
  • Strategic Hydrogen Deployment: Pair electrolysers with offshore wind targeting 40-50% utilisation. Deploy 2-3 GW behind-the-meter capacity.

Theme 5: Technology Worked; Infrastructure and Policy Lagged

One of 2025’s genuine stories was technologies graduating from laboratory to commercial reality—then hitting deployment barriers that had nothing to do with technical viability.

Hydrogen Internal Combustion Engines (H2ICE): JCB secured EU type approval. Cummins ramped X15H engine production. MAN brought 200 hTGX trucks to market. As covered in our Ultimate H2ICE Guide, optimized engines now exceed 50% brake thermal efficiency, rival diesel on fuel economy, and deliver near-zero tailpipe NOx and PM. Yet deployment depends on hydrogen supply reaching €2-2.50/kg, AFIR corridor stations scaling to 500+ public hubs by 2030, and regulatory alignment crediting lifecycle emissions.

Green Steel: Sweden’s SSAB leads commercially. Germany’s Salzgitter and Thyssenkrupp follow with hydrogen-based DRI projects. The EU’s Carbon Border Adjustment Mechanism (CBAM) became operational, reshaping global steel trade around embedded emissions. As explored in our Green Steel and CBAM analysis, market research projects $129 billion to $1.3 trillion by 2030-35. The UK? Still consulting.

Battery Storage: Grid-scale batteries moved rapidly down cost curves. The UK targets 27 GW BESS capacity by 2030. The technology is proven, economics compelling, yet operational rules underuse existing capacity.

2026 UK Energy Priorities – Deployment Acceleration:

  • H2ICE Infrastructure Deployment: Focus AFIR station deployment on commercial vehicle corridors. Coordinate with hydrogen production allocation to ensure supply availability matches vehicle deployment.
  • Green Steel Support Package: Launch UK equivalent of Germany’s industrial cluster support. Provide hydrogen supply contracts at competitive €2-3/kg pricing. Align CBAM compliance systems.
  • Battery Connection Fast-Track: Prioritize strategically located battery storage in connection queue. Focus on constraint boundaries (B6, East Anglia) where curtailment reduction value is highest.
  • Zero-Emission HGV Demonstration Continuation: Government committed funding through UKRI for ZE-HGV demonstrations. Extend beyond March 2026 to support commercial transition.

Theme 6: Decarbonization Became Geopolitics

2025 was the year energy transition stopped being primarily a climate story and became explicitly a strategic competition. Three developments crystallized the shift:

China’s Rare Earths Export Controls: Controls on gallium, germanium, and specific rare earth elements immediately impacted semiconductor, defense, and renewable energy supply chains. China controls ~70% of global mining and over 85% of processing capacity. The West’s response: accelerate domestic mining, build processing capacity outside China, invest in recycling infrastructure, and fund rare-earth-free motor designs.

EU CBAM Operational: The Carbon Border Adjustment Mechanism moved from reporting phase to reshaping global steel, cement, and aluminum trade. European green steel projects secured offtake contracts based on CBAM-driven price premiums. Non-EU producers face tariffs unless decarbonizing.

IMO Shipping Delay: The International Maritime Organization’s failure to agree meaningful carbon pricing exposed the politics-versus-physics tension. As covered in our IMO Shipping Decarbonisation Delay analysis, the result: EU and others proceed unilaterally, fragmenting global maritime regulation.


Ten Critical 2026 UK Energy Priorities – Decision Points

Looking ahead, 2026 will be defined by decisions either made or deferred. These ten priorities determine whether the UK leads or follows:

  1. UK Gas Grid Heating Strategy Consultation: Determines £74bn+ infrastructure investment direction. Decision cannot be deferred again.
  2. HAR2 Contract Awards (Early 2026): First test of scaled hydrogen allocation. Seven times HAR1’s capacity.
  3. EGL1 Delivery Checkpoint: Already 16 months late. Each additional year costs £3.6bn in curtailment.
  4. Clean Power 2030 Progress Review: 95%+ low-carbon target requires 5 GW offshore wind deployment per year versus 1 GW historical average.
  5. UKRI R&D Missions Implementation: £8bn government priority allocation must link to first-of-a-kind deployment, not just research.
  6. NESO Battery Dispatch Reform: Operational changes can deliver £600m+ annual savings immediately.
  7. First Regional H2 Transport/Storage Network FID: £500m+ commitment for networks operational by 2031.
  8. CBAM Transition to Tariffs: Reporting phase ends; financial penalties begin. UK-EU alignment critical.
  9. Hydrogen-to-Power Business Model Launch: De-risks investment in hydrogen-fired power generation.
  10. Innovation Procurement Reform: 30-day payment enforcement, FOAK deployment support, technical judgment embedding.

What 2025 Taught Us About 2026

If there’s a through-line in 2025, it’s this: the energy transition stopped being about technology and started being about economics, policy execution, and strategic coordination.

Hydrogen matured—projects with paying customers advanced, those chasing subsidies failed. AI data centres reshaped industrial land economics. UK policy remained trapped in strategic limbo costing billions annually. Grid curtailment hit £1.5bn while proven battery solutions remained underused. Technologies graduated to commercial readiness, then hit infrastructure and policy barriers. Decarbonization became geopolitics through CBAM, rare earths, and regulatory fragmentation.

The lesson: technology is the easy part. Policy coherence, infrastructure deployment, anchor customer commitments, and regulatory frameworks determine success. In 2025, the winners solved those hard problems. The losers assumed technology alone was enough.

2026 will reveal whether the UK learned the lesson. Denmark committed to gas phase-out with certainty. Germany approved €18.9bn hydrogen networks with risk-sharing. Sweden commercialized green steel. The EU made CBAM operational. China secured rare earths dominance. The UK consulted.

The 2026 UK energy priorities laid out above cannot be deferred. Clean Power 2030 requires 5 GW annual offshore wind deployment starting now. The 10 GW hydrogen target requires 2.5 GW allocation per year. Grid curtailment costs compound toward £8bn without immediate battery dispatch reform and EGL delivery. Innovation ranking decline continues without structural reform linking funding to commercialization.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

2025 Review: 2026 UK Energy Priorities – What Must Happen Now

2025 was the year the energy transition stopped being about technology potential and started being about economic reality. Hydrogen projects with paying customers advanced; those chasing subsidies failed. AI data centres displaced industrial decarbonization. Policy paralysis cost billions. Here’s what happened, why it matters, and what 2026 UK energy priorities must address if Britain is serious about Clean Power 2030, hydrogen deployment, and innovation leadership.


Theme 1: Hydrogen Grew Up—and Not Everyone Survived

The defining hydrogen story of 2025 wasn’t about technology breakthroughs—it was about business model Darwinism. Projects with anchor customers, offtake contracts, and cashflow visibility advanced. Projects built on subsidy hopes and press releases died.

BP’s withdrawal from H2Teesside epitomized the shift. The public narrative blamed an “AI mega-campus,” but the real killer was prosaic: Sabic closed its Olefins 6 cracker, eliminating the £2 billion blue hydrogen project’s anchor customer. Fortescue scrapped two projects. Headlines proclaimed another “hydrogen bubble” burst.

But this wasn’t hydrogen’s death—it was its maturation. The froth burned off. What remains is leaner, more disciplined, and focused on applications that justify infrastructure investment: zero-carbon steelmaking, seasonal renewable storage, and long-haul heavy transport where electrons can’t compete. For detailed analysis of these use cases, see our hydrogen versus battery-electric comparison through 2030.

Meanwhile, green hydrogen projects advanced in Namibia, Saudi Arabia’s Yanbu, and the Gulf—not because economics are perfect today, but because first-movers are building supply chains that will make them perfect tomorrow. Hyphen’s Namibian plant entered FEED. NEOM’s $6.5 billion Air Products offtake sparked shareholder revolt, yet construction continues.

2026 UK Energy Priorities – Hydrogen Deployment:

  • HAR2 Contract Awards (Early 2026): The UK’s Hydrogen Allocation Round 2 targets 875 MW—seven times HAR1’s 125 MW. This is the first real test of whether government can scale hydrogen support beyond demonstration. For detailed policy context, see our UK Hydrogen Policy 2025 analysis.
  • First Regional H2 Transport/Storage Network FID: Government committed £500m+ for regional hydrogen networks operational by 2031. Without transport infrastructure, production capacity is stranded.
  • Hydrogen-to-Power Business Model Launch: Hydrogen-fired power generation needs de-risked investment for Clean Power 2030’s 40-50 GW dispatchable flexibility requirement.
  • Offtake Contract Clarity: Industrial sectors (steel, ammonia, chemicals) must commit to hydrogen purchase agreements. Without demand certainty, supply projects won’t reach FID. The green steel sector is particularly critical here.

The Risk: The 10 GW target requires deploying 2.5 GW per year starting now. HAR1 delivered 125 MW total. The math doesn’t work unless allocation rounds scale 20-fold.

Theme 2: AI Data Centres Won the Land Grab

If hydrogen defined 2025’s losses, AI data centres defined its wins. Hyperscale facilities outbid hydrogen plants, green steel projects, and renewable energy infrastructure for prime industrial sites. The economics are brutal: data centres deliver premium rents, long-term strategic value, and immediate private investment.

Teesside’s rumored £100 billion Google-backed AI campus displaced BP’s hydrogen infrastructure through rent arithmetic. A hyperscale data centre requires gigawatt-scale power with 99.999% uptime. When grid connections take 10-15 years, operators look for alternatives. Enter the gas network—not for heating, but as backup power infrastructure. This dynamic is explored in detail in our UK gas grid strategy analysis.

The irony cuts deep: the displaced hydrogen plant would have produced low-carbon energy for heavy industry. Its replacement increases electricity demand, potentially undermining decarbonization targets. Welcome to 2025, where the path of least resistance beats the path of greatest climate impact.

2026 UK Energy Priorities – Data Centre Integration:

  • Strategic Spatial Energy Plan Implementation: NESO’s spatial planning must guide industrial siting decisions, ensuring data centres locate where grid capacity exists.
  • Grid Connection Queue Reform: Reform must prioritize projects aligned with Clean Power 2030 and industrial strategy, not just those with deepest pockets.
  • Data Centre Energy Efficiency Standards: Mandate best-in-class efficiency, waste heat recovery, and renewable energy procurement.
  • Gas Network Strategy Clarity: The 2026 gas grid strategy must address whether data centre backup power is temporary transition or permanent dependency.

Theme 3: UK Policy Paralysis Cost Billions

British energy and innovation policy spent 2025 trapped in “The Prisoner’s Dilemma”—where rational individual decisions by network operators produce collectively irrational outcomes costing £2-3 billion annually.

The UK gas grid epitomizes the dysfunction. Government simultaneously signals gas phase-out (boiler ban by 2035) while promising “our gas network will always be part of our energy system.” Network operators respond by investing billions in hydrogen blending infrastructure—hedging both scenarios but maximizing consumer costs.

Denmark committed to gas phase-out by 2030 with clear compensation mechanisms. Germany approved an €18.9 billion hydrogen core network with government-backed risk sharing. The Netherlands coordinates gas and electricity TSOs through joint planning. The UK? Endless consultations, contradictory statements, and mounting costs.

Innovation policy showed similar symptoms. The UK slipped from #2 (2015) to #6 (2025) on WIPO’s Global Innovation Index. As explored in our UK Innovation Is Misfiring analysis, the ranking drop is a symptom. The disease is structural: decision-makers without technical expertise, incentives rewarding papers over plants, chronic underinvestment in foundational STEM, and procurement dysfunction.

2026 UK Energy Priorities – Policy Reform:

  • 2026 Heating Strategy Decision: End the gas grid limbo. Either commit to phase-out with compensation OR commit to hydrogen conversion with demand anchor confirmation. Continued indecision costs £2-3 billion per year.
  • HAR3 Launch by Year-End: Maintain hydrogen deployment momentum toward 10 GW target.
  • UKRI R&D Missions Implementation: £38.6 billion 2025-26 UKRI budget must fund first-of-a-kind deployment with customer offtake—not just laboratory research. This mirrors the historical pattern of government funding transformative technologies.
  • Innovation Procurement Reform: Enforce 30-day payment terms. Embed technical operators in major programmes. Treat semiconductors, chemicals, and PNT as strategic infrastructure.

Theme 4: Grid Curtailment—The £1.5 Billion Wake-Up Call

Wind curtailment costs hit £1.5 billion in 2025—up from £1.23 billion in 2024 and £282 million in 2020. Without intervention, projections suggest £8 billion annually by 2030. As detailed in our comprehensive curtailment analysis, the core problem is simple: Scotland’s wind generation exploded faster than transmission capacity to England.

The B6 boundary—the transmission interface between Scotland and England—comprises just two main AC lines plus one HVDC link. When full, Scottish wind must be curtailed (with compensation payments) while gas plants south of the boundary are dispatched (with generation payments). Consumers pay both sides of the transaction through bill levies.

The fastest solution exists but isn’t being used: battery storage. Imperial College research suggests medium-duration storage could save £500 million to £3.5 billion annually. Yet NESO “constraint skips” batteries 90% of the time during constrained periods, choosing more expensive alternatives.

2026 UK Energy Priorities – Grid Optimization:

  • NESO Battery Dispatch Reform: Mandate batteries receive dispatch priority during constraints when they’re the least-cost option. Could deliver £600-800 million annual savings immediately.
  • EGL1/EGL2 Emergency Delivery Focus: Eastern Green Links 1 and 2 are already 16 months late. Each year of delay costs £3.6 billion in curtailment.
  • Demand Flexibility Acceleration: Scale from 24 GW today to 51-66 GW by 2030. Deploy V2G infrastructure targeting 5 GW peak capability.
  • Strategic Hydrogen Deployment: Pair electrolysers with offshore wind targeting 40-50% utilisation. Deploy 2-3 GW behind-the-meter capacity.

Theme 5: Technology Worked; Infrastructure and Policy Lagged

One of 2025’s genuine stories was technologies graduating from laboratory to commercial reality—then hitting deployment barriers that had nothing to do with technical viability.

Hydrogen Internal Combustion Engines (H2ICE): JCB secured EU type approval. Cummins ramped X15H engine production. MAN brought 200 hTGX trucks to market. As covered in our Ultimate H2ICE Guide, optimized engines now exceed 50% brake thermal efficiency, rival diesel on fuel economy, and deliver near-zero tailpipe NOx and PM. Yet deployment depends on hydrogen supply reaching €2-2.50/kg, AFIR corridor stations scaling to 500+ public hubs by 2030, and regulatory alignment crediting lifecycle emissions.

Green Steel: Sweden’s SSAB leads commercially. Germany’s Salzgitter and Thyssenkrupp follow with hydrogen-based DRI projects. The EU’s Carbon Border Adjustment Mechanism (CBAM) became operational, reshaping global steel trade around embedded emissions. As explored in our Green Steel and CBAM analysis, market research projects $129 billion to $1.3 trillion by 2030-35. The UK? Still consulting.

Battery Storage: Grid-scale batteries moved rapidly down cost curves. The UK targets 27 GW BESS capacity by 2030. The technology is proven, economics compelling, yet operational rules underuse existing capacity.

2026 UK Energy Priorities – Deployment Acceleration:

  • H2ICE Infrastructure Deployment: Focus AFIR station deployment on commercial vehicle corridors. Coordinate with hydrogen production allocation to ensure supply availability matches vehicle deployment.
  • Green Steel Support Package: Launch UK equivalent of Germany’s industrial cluster support. Provide hydrogen supply contracts at competitive €2-3/kg pricing. Align CBAM compliance systems.
  • Battery Connection Fast-Track: Prioritize strategically located battery storage in connection queue. Focus on constraint boundaries (B6, East Anglia) where curtailment reduction value is highest.
  • Zero-Emission HGV Demonstration Continuation: Government committed funding through UKRI for ZE-HGV demonstrations. Extend beyond March 2026 to support commercial transition.

Theme 6: Decarbonization Became Geopolitics

2025 was the year energy transition stopped being primarily a climate story and became explicitly a strategic competition. Three developments crystallized the shift:

China’s Rare Earths Export Controls: Controls on gallium, germanium, and specific rare earth elements immediately impacted semiconductor, defense, and renewable energy supply chains. China controls ~70% of global mining and over 85% of processing capacity. The West’s response: accelerate domestic mining, build processing capacity outside China, invest in recycling infrastructure, and fund rare-earth-free motor designs.

EU CBAM Operational: The Carbon Border Adjustment Mechanism moved from reporting phase to reshaping global steel, cement, and aluminum trade. European green steel projects secured offtake contracts based on CBAM-driven price premiums. Non-EU producers face tariffs unless decarbonizing.

IMO Shipping Delay: The International Maritime Organization’s failure to agree meaningful carbon pricing exposed the politics-versus-physics tension. As covered in our IMO Shipping Decarbonisation Delay analysis, the result: EU and others proceed unilaterally, fragmenting global maritime regulation.


Ten Critical 2026 UK Energy Priorities – Decision Points

Looking ahead, 2026 will be defined by decisions either made or deferred. These ten priorities determine whether the UK leads or follows:

  1. UK Gas Grid Heating Strategy Consultation: Determines £74bn+ infrastructure investment direction. Decision cannot be deferred again.
  2. HAR2 Contract Awards (Early 2026): First test of scaled hydrogen allocation. Seven times HAR1’s capacity.
  3. EGL1 Delivery Checkpoint: Already 16 months late. Each additional year costs £3.6bn in curtailment.
  4. Clean Power 2030 Progress Review: 95%+ low-carbon target requires 5 GW offshore wind deployment per year versus 1 GW historical average.
  5. UKRI R&D Missions Implementation: £8bn government priority allocation must link to first-of-a-kind deployment, not just research.
  6. NESO Battery Dispatch Reform: Operational changes can deliver £600m+ annual savings immediately.
  7. First Regional H2 Transport/Storage Network FID: £500m+ commitment for networks operational by 2031.
  8. CBAM Transition to Tariffs: Reporting phase ends; financial penalties begin. UK-EU alignment critical.
  9. Hydrogen-to-Power Business Model Launch: De-risks investment in hydrogen-fired power generation.
  10. Innovation Procurement Reform: 30-day payment enforcement, FOAK deployment support, technical judgment embedding.

What 2025 Taught Us About 2026

If there’s a through-line in 2025, it’s this: the energy transition stopped being about technology and started being about economics, policy execution, and strategic coordination.

Hydrogen matured—projects with paying customers advanced, those chasing subsidies failed. AI data centres reshaped industrial land economics. UK policy remained trapped in strategic limbo costing billions annually. Grid curtailment hit £1.5bn while proven battery solutions remained underused. Technologies graduated to commercial readiness, then hit infrastructure and policy barriers. Decarbonization became geopolitics through CBAM, rare earths, and regulatory fragmentation.

The lesson: technology is the easy part. Policy coherence, infrastructure deployment, anchor customer commitments, and regulatory frameworks determine success. In 2025, the winners solved those hard problems. The losers assumed technology alone was enough.

2026 will reveal whether the UK learned the lesson. Denmark committed to gas phase-out with certainty. Germany approved €18.9bn hydrogen networks with risk-sharing. Sweden commercialized green steel. The EU made CBAM operational. China secured rare earths dominance. The UK consulted.

The 2026 UK energy priorities laid out above cannot be deferred. Clean Power 2030 requires 5 GW annual offshore wind deployment starting now. The 10 GW hydrogen target requires 2.5 GW allocation per year. Grid curtailment costs compound toward £8bn without immediate battery dispatch reform and EGL delivery. Innovation ranking decline continues without structural reform linking funding to commercialization.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

2025 Review: 2026 UK Energy Priorities – What Must Happen Now

2025 was the year the energy transition stopped being about technology potential and started being about economic reality. Hydrogen projects with paying customers advanced; those chasing subsidies failed. AI data centres displaced industrial decarbonization. Policy paralysis cost billions. Here’s what happened, why it matters, and what 2026 UK energy priorities must address if Britain is serious about Clean Power 2030, hydrogen deployment, and innovation leadership.


Theme 1: Hydrogen Grew Up—and Not Everyone Survived

The defining hydrogen story of 2025 wasn’t about technology breakthroughs—it was about business model Darwinism. Projects with anchor customers, offtake contracts, and cashflow visibility advanced. Projects built on subsidy hopes and press releases died.

BP’s withdrawal from H2Teesside epitomized the shift. The public narrative blamed an “AI mega-campus,” but the real killer was prosaic: Sabic closed its Olefins 6 cracker, eliminating the £2 billion blue hydrogen project’s anchor customer. Fortescue scrapped two projects. Headlines proclaimed another “hydrogen bubble” burst.

But this wasn’t hydrogen’s death—it was its maturation. The froth burned off. What remains is leaner, more disciplined, and focused on applications that justify infrastructure investment: zero-carbon steelmaking, seasonal renewable storage, and long-haul heavy transport where electrons can’t compete. For detailed analysis of these use cases, see our hydrogen versus battery-electric comparison through 2030.

Meanwhile, green hydrogen projects advanced in Namibia, Saudi Arabia’s Yanbu, and the Gulf—not because economics are perfect today, but because first-movers are building supply chains that will make them perfect tomorrow. Hyphen’s Namibian plant entered FEED. NEOM’s $6.5 billion Air Products offtake sparked shareholder revolt, yet construction continues.

2026 UK Energy Priorities – Hydrogen Deployment:

  • HAR2 Contract Awards (Early 2026): The UK’s Hydrogen Allocation Round 2 targets 875 MW—seven times HAR1’s 125 MW. This is the first real test of whether government can scale hydrogen support beyond demonstration. For detailed policy context, see our UK Hydrogen Policy 2025 analysis.
  • First Regional H2 Transport/Storage Network FID: Government committed £500m+ for regional hydrogen networks operational by 2031. Without transport infrastructure, production capacity is stranded.
  • Hydrogen-to-Power Business Model Launch: Hydrogen-fired power generation needs de-risked investment for Clean Power 2030’s 40-50 GW dispatchable flexibility requirement.
  • Offtake Contract Clarity: Industrial sectors (steel, ammonia, chemicals) must commit to hydrogen purchase agreements. Without demand certainty, supply projects won’t reach FID. The green steel sector is particularly critical here.

The Risk: The 10 GW target requires deploying 2.5 GW per year starting now. HAR1 delivered 125 MW total. The math doesn’t work unless allocation rounds scale 20-fold.

Theme 2: AI Data Centres Won the Land Grab

If hydrogen defined 2025’s losses, AI data centres defined its wins. Hyperscale facilities outbid hydrogen plants, green steel projects, and renewable energy infrastructure for prime industrial sites. The economics are brutal: data centres deliver premium rents, long-term strategic value, and immediate private investment.

Teesside’s rumored £100 billion Google-backed AI campus displaced BP’s hydrogen infrastructure through rent arithmetic. A hyperscale data centre requires gigawatt-scale power with 99.999% uptime. When grid connections take 10-15 years, operators look for alternatives. Enter the gas network—not for heating, but as backup power infrastructure. This dynamic is explored in detail in our UK gas grid strategy analysis.

The irony cuts deep: the displaced hydrogen plant would have produced low-carbon energy for heavy industry. Its replacement increases electricity demand, potentially undermining decarbonization targets. Welcome to 2025, where the path of least resistance beats the path of greatest climate impact.

2026 UK Energy Priorities – Data Centre Integration:

  • Strategic Spatial Energy Plan Implementation: NESO’s spatial planning must guide industrial siting decisions, ensuring data centres locate where grid capacity exists.
  • Grid Connection Queue Reform: Reform must prioritize projects aligned with Clean Power 2030 and industrial strategy, not just those with deepest pockets.
  • Data Centre Energy Efficiency Standards: Mandate best-in-class efficiency, waste heat recovery, and renewable energy procurement.
  • Gas Network Strategy Clarity: The 2026 gas grid strategy must address whether data centre backup power is temporary transition or permanent dependency.

Theme 3: UK Policy Paralysis Cost Billions

British energy and innovation policy spent 2025 trapped in “The Prisoner’s Dilemma”—where rational individual decisions by network operators produce collectively irrational outcomes costing £2-3 billion annually.

The UK gas grid epitomizes the dysfunction. Government simultaneously signals gas phase-out (boiler ban by 2035) while promising “our gas network will always be part of our energy system.” Network operators respond by investing billions in hydrogen blending infrastructure—hedging both scenarios but maximizing consumer costs.

Denmark committed to gas phase-out by 2030 with clear compensation mechanisms. Germany approved an €18.9 billion hydrogen core network with government-backed risk sharing. The Netherlands coordinates gas and electricity TSOs through joint planning. The UK? Endless consultations, contradictory statements, and mounting costs.

Innovation policy showed similar symptoms. The UK slipped from #2 (2015) to #6 (2025) on WIPO’s Global Innovation Index. As explored in our UK Innovation Is Misfiring analysis, the ranking drop is a symptom. The disease is structural: decision-makers without technical expertise, incentives rewarding papers over plants, chronic underinvestment in foundational STEM, and procurement dysfunction.

2026 UK Energy Priorities – Policy Reform:

  • 2026 Heating Strategy Decision: End the gas grid limbo. Either commit to phase-out with compensation OR commit to hydrogen conversion with demand anchor confirmation. Continued indecision costs £2-3 billion per year.
  • HAR3 Launch by Year-End: Maintain hydrogen deployment momentum toward 10 GW target.
  • UKRI R&D Missions Implementation: £38.6 billion 2025-26 UKRI budget must fund first-of-a-kind deployment with customer offtake—not just laboratory research. This mirrors the historical pattern of government funding transformative technologies.
  • Innovation Procurement Reform: Enforce 30-day payment terms. Embed technical operators in major programmes. Treat semiconductors, chemicals, and PNT as strategic infrastructure.

Theme 4: Grid Curtailment—The £1.5 Billion Wake-Up Call

Wind curtailment costs hit £1.5 billion in 2025—up from £1.23 billion in 2024 and £282 million in 2020. Without intervention, projections suggest £8 billion annually by 2030. As detailed in our comprehensive curtailment analysis, the core problem is simple: Scotland’s wind generation exploded faster than transmission capacity to England.

The B6 boundary—the transmission interface between Scotland and England—comprises just two main AC lines plus one HVDC link. When full, Scottish wind must be curtailed (with compensation payments) while gas plants south of the boundary are dispatched (with generation payments). Consumers pay both sides of the transaction through bill levies.

The fastest solution exists but isn’t being used: battery storage. Imperial College research suggests medium-duration storage could save £500 million to £3.5 billion annually. Yet NESO “constraint skips” batteries 90% of the time during constrained periods, choosing more expensive alternatives.

2026 UK Energy Priorities – Grid Optimization:

  • NESO Battery Dispatch Reform: Mandate batteries receive dispatch priority during constraints when they’re the least-cost option. Could deliver £600-800 million annual savings immediately.
  • EGL1/EGL2 Emergency Delivery Focus: Eastern Green Links 1 and 2 are already 16 months late. Each year of delay costs £3.6 billion in curtailment.
  • Demand Flexibility Acceleration: Scale from 24 GW today to 51-66 GW by 2030. Deploy V2G infrastructure targeting 5 GW peak capability.
  • Strategic Hydrogen Deployment: Pair electrolysers with offshore wind targeting 40-50% utilisation. Deploy 2-3 GW behind-the-meter capacity.

Theme 5: Technology Worked; Infrastructure and Policy Lagged

One of 2025’s genuine stories was technologies graduating from laboratory to commercial reality—then hitting deployment barriers that had nothing to do with technical viability.

Hydrogen Internal Combustion Engines (H2ICE): JCB secured EU type approval. Cummins ramped X15H engine production. MAN brought 200 hTGX trucks to market. As covered in our Ultimate H2ICE Guide, optimized engines now exceed 50% brake thermal efficiency, rival diesel on fuel economy, and deliver near-zero tailpipe NOx and PM. Yet deployment depends on hydrogen supply reaching €2-2.50/kg, AFIR corridor stations scaling to 500+ public hubs by 2030, and regulatory alignment crediting lifecycle emissions.

Green Steel: Sweden’s SSAB leads commercially. Germany’s Salzgitter and Thyssenkrupp follow with hydrogen-based DRI projects. The EU’s Carbon Border Adjustment Mechanism (CBAM) became operational, reshaping global steel trade around embedded emissions. As explored in our Green Steel and CBAM analysis, market research projects $129 billion to $1.3 trillion by 2030-35. The UK? Still consulting.

Battery Storage: Grid-scale batteries moved rapidly down cost curves. The UK targets 27 GW BESS capacity by 2030. The technology is proven, economics compelling, yet operational rules underuse existing capacity.

2026 UK Energy Priorities – Deployment Acceleration:

  • H2ICE Infrastructure Deployment: Focus AFIR station deployment on commercial vehicle corridors. Coordinate with hydrogen production allocation to ensure supply availability matches vehicle deployment.
  • Green Steel Support Package: Launch UK equivalent of Germany’s industrial cluster support. Provide hydrogen supply contracts at competitive €2-3/kg pricing. Align CBAM compliance systems.
  • Battery Connection Fast-Track: Prioritize strategically located battery storage in connection queue. Focus on constraint boundaries (B6, East Anglia) where curtailment reduction value is highest.
  • Zero-Emission HGV Demonstration Continuation: Government committed funding through UKRI for ZE-HGV demonstrations. Extend beyond March 2026 to support commercial transition.

Theme 6: Decarbonization Became Geopolitics

2025 was the year energy transition stopped being primarily a climate story and became explicitly a strategic competition. Three developments crystallized the shift:

China’s Rare Earths Export Controls: Controls on gallium, germanium, and specific rare earth elements immediately impacted semiconductor, defense, and renewable energy supply chains. China controls ~70% of global mining and over 85% of processing capacity. The West’s response: accelerate domestic mining, build processing capacity outside China, invest in recycling infrastructure, and fund rare-earth-free motor designs.

EU CBAM Operational: The Carbon Border Adjustment Mechanism moved from reporting phase to reshaping global steel, cement, and aluminum trade. European green steel projects secured offtake contracts based on CBAM-driven price premiums. Non-EU producers face tariffs unless decarbonizing.

IMO Shipping Delay: The International Maritime Organization’s failure to agree meaningful carbon pricing exposed the politics-versus-physics tension. As covered in our IMO Shipping Decarbonisation Delay analysis, the result: EU and others proceed unilaterally, fragmenting global maritime regulation.


Ten Critical 2026 UK Energy Priorities – Decision Points

Looking ahead, 2026 will be defined by decisions either made or deferred. These ten priorities determine whether the UK leads or follows:

  1. UK Gas Grid Heating Strategy Consultation: Determines £74bn+ infrastructure investment direction. Decision cannot be deferred again.
  2. HAR2 Contract Awards (Early 2026): First test of scaled hydrogen allocation. Seven times HAR1’s capacity.
  3. EGL1 Delivery Checkpoint: Already 16 months late. Each additional year costs £3.6bn in curtailment.
  4. Clean Power 2030 Progress Review: 95%+ low-carbon target requires 5 GW offshore wind deployment per year versus 1 GW historical average.
  5. UKRI R&D Missions Implementation: £8bn government priority allocation must link to first-of-a-kind deployment, not just research.
  6. NESO Battery Dispatch Reform: Operational changes can deliver £600m+ annual savings immediately.
  7. First Regional H2 Transport/Storage Network FID: £500m+ commitment for networks operational by 2031.
  8. CBAM Transition to Tariffs: Reporting phase ends; financial penalties begin. UK-EU alignment critical.
  9. Hydrogen-to-Power Business Model Launch: De-risks investment in hydrogen-fired power generation.
  10. Innovation Procurement Reform: 30-day payment enforcement, FOAK deployment support, technical judgment embedding.

What 2025 Taught Us About 2026

If there’s a through-line in 2025, it’s this: the energy transition stopped being about technology and started being about economics, policy execution, and strategic coordination.

Hydrogen matured—projects with paying customers advanced, those chasing subsidies failed. AI data centres reshaped industrial land economics. UK policy remained trapped in strategic limbo costing billions annually. Grid curtailment hit £1.5bn while proven battery solutions remained underused. Technologies graduated to commercial readiness, then hit infrastructure and policy barriers. Decarbonization became geopolitics through CBAM, rare earths, and regulatory fragmentation.

The lesson: technology is the easy part. Policy coherence, infrastructure deployment, anchor customer commitments, and regulatory frameworks determine success. In 2025, the winners solved those hard problems. The losers assumed technology alone was enough.

2026 will reveal whether the UK learned the lesson. Denmark committed to gas phase-out with certainty. Germany approved €18.9bn hydrogen networks with risk-sharing. Sweden commercialized green steel. The EU made CBAM operational. China secured rare earths dominance. The UK consulted.

The 2026 UK energy priorities laid out above cannot be deferred. Clean Power 2030 requires 5 GW annual offshore wind deployment starting now. The 10 GW hydrogen target requires 2.5 GW allocation per year. Grid curtailment costs compound toward £8bn without immediate battery dispatch reform and EGL delivery. Innovation ranking decline continues without structural reform linking funding to commercialization.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

2025 Review: 2026 UK Energy Priorities – What Must Happen Now

2025 was the year the energy transition stopped being about technology potential and started being about economic reality. Hydrogen projects with paying customers advanced; those chasing subsidies failed. AI data centres displaced industrial decarbonization. Policy paralysis cost billions. Here’s what happened, why it matters, and what 2026 UK energy priorities must address if Britain is serious about Clean Power 2030, hydrogen deployment, and innovation leadership.


Theme 1: Hydrogen Grew Up—and Not Everyone Survived

The defining hydrogen story of 2025 wasn’t about technology breakthroughs—it was about business model Darwinism. Projects with anchor customers, offtake contracts, and cashflow visibility advanced. Projects built on subsidy hopes and press releases died.

BP’s withdrawal from H2Teesside epitomized the shift. The public narrative blamed an “AI mega-campus,” but the real killer was prosaic: Sabic closed its Olefins 6 cracker, eliminating the £2 billion blue hydrogen project’s anchor customer. Fortescue scrapped two projects. Headlines proclaimed another “hydrogen bubble” burst.

But this wasn’t hydrogen’s death—it was its maturation. The froth burned off. What remains is leaner, more disciplined, and focused on applications that justify infrastructure investment: zero-carbon steelmaking, seasonal renewable storage, and long-haul heavy transport where electrons can’t compete. For detailed analysis of these use cases, see our hydrogen versus battery-electric comparison through 2030.

Meanwhile, green hydrogen projects advanced in Namibia, Saudi Arabia’s Yanbu, and the Gulf—not because economics are perfect today, but because first-movers are building supply chains that will make them perfect tomorrow. Hyphen’s Namibian plant entered FEED. NEOM’s $6.5 billion Air Products offtake sparked shareholder revolt, yet construction continues.

2026 UK Energy Priorities – Hydrogen Deployment:

  • HAR2 Contract Awards (Early 2026): The UK’s Hydrogen Allocation Round 2 targets 875 MW—seven times HAR1’s 125 MW. This is the first real test of whether government can scale hydrogen support beyond demonstration. For detailed policy context, see our UK Hydrogen Policy 2025 analysis.
  • First Regional H2 Transport/Storage Network FID: Government committed £500m+ for regional hydrogen networks operational by 2031. Without transport infrastructure, production capacity is stranded.
  • Hydrogen-to-Power Business Model Launch: Hydrogen-fired power generation needs de-risked investment for Clean Power 2030’s 40-50 GW dispatchable flexibility requirement.
  • Offtake Contract Clarity: Industrial sectors (steel, ammonia, chemicals) must commit to hydrogen purchase agreements. Without demand certainty, supply projects won’t reach FID. The green steel sector is particularly critical here.

The Risk: The 10 GW target requires deploying 2.5 GW per year starting now. HAR1 delivered 125 MW total. The math doesn’t work unless allocation rounds scale 20-fold.

Theme 2: AI Data Centres Won the Land Grab

If hydrogen defined 2025’s losses, AI data centres defined its wins. Hyperscale facilities outbid hydrogen plants, green steel projects, and renewable energy infrastructure for prime industrial sites. The economics are brutal: data centres deliver premium rents, long-term strategic value, and immediate private investment.

Teesside’s rumored £100 billion Google-backed AI campus displaced BP’s hydrogen infrastructure through rent arithmetic. A hyperscale data centre requires gigawatt-scale power with 99.999% uptime. When grid connections take 10-15 years, operators look for alternatives. Enter the gas network—not for heating, but as backup power infrastructure. This dynamic is explored in detail in our UK gas grid strategy analysis.

The irony cuts deep: the displaced hydrogen plant would have produced low-carbon energy for heavy industry. Its replacement increases electricity demand, potentially undermining decarbonization targets. Welcome to 2025, where the path of least resistance beats the path of greatest climate impact.

2026 UK Energy Priorities – Data Centre Integration:

  • Strategic Spatial Energy Plan Implementation: NESO’s spatial planning must guide industrial siting decisions, ensuring data centres locate where grid capacity exists.
  • Grid Connection Queue Reform: Reform must prioritize projects aligned with Clean Power 2030 and industrial strategy, not just those with deepest pockets.
  • Data Centre Energy Efficiency Standards: Mandate best-in-class efficiency, waste heat recovery, and renewable energy procurement.
  • Gas Network Strategy Clarity: The 2026 gas grid strategy must address whether data centre backup power is temporary transition or permanent dependency.

Theme 3: UK Policy Paralysis Cost Billions

British energy and innovation policy spent 2025 trapped in “The Prisoner’s Dilemma”—where rational individual decisions by network operators produce collectively irrational outcomes costing £2-3 billion annually.

The UK gas grid epitomizes the dysfunction. Government simultaneously signals gas phase-out (boiler ban by 2035) while promising “our gas network will always be part of our energy system.” Network operators respond by investing billions in hydrogen blending infrastructure—hedging both scenarios but maximizing consumer costs.

Denmark committed to gas phase-out by 2030 with clear compensation mechanisms. Germany approved an €18.9 billion hydrogen core network with government-backed risk sharing. The Netherlands coordinates gas and electricity TSOs through joint planning. The UK? Endless consultations, contradictory statements, and mounting costs.

Innovation policy showed similar symptoms. The UK slipped from #2 (2015) to #6 (2025) on WIPO’s Global Innovation Index. As explored in our UK Innovation Is Misfiring analysis, the ranking drop is a symptom. The disease is structural: decision-makers without technical expertise, incentives rewarding papers over plants, chronic underinvestment in foundational STEM, and procurement dysfunction.

2026 UK Energy Priorities – Policy Reform:

  • 2026 Heating Strategy Decision: End the gas grid limbo. Either commit to phase-out with compensation OR commit to hydrogen conversion with demand anchor confirmation. Continued indecision costs £2-3 billion per year.
  • HAR3 Launch by Year-End: Maintain hydrogen deployment momentum toward 10 GW target.
  • UKRI R&D Missions Implementation: £38.6 billion 2025-26 UKRI budget must fund first-of-a-kind deployment with customer offtake—not just laboratory research. This mirrors the historical pattern of government funding transformative technologies.
  • Innovation Procurement Reform: Enforce 30-day payment terms. Embed technical operators in major programmes. Treat semiconductors, chemicals, and PNT as strategic infrastructure.

Theme 4: Grid Curtailment—The £1.5 Billion Wake-Up Call

Wind curtailment costs hit £1.5 billion in 2025—up from £1.23 billion in 2024 and £282 million in 2020. Without intervention, projections suggest £8 billion annually by 2030. As detailed in our UK wind curtailment costs and grid constraints, the core problem is simple: Scotland’s wind generation exploded faster than transmission capacity to England.

The B6 boundary—the transmission interface between Scotland and England—comprises just two main AC lines plus one HVDC link. When full, Scottish wind must be curtailed (with compensation payments) while gas plants south of the boundary are dispatched (with generation payments). Consumers pay both sides of the transaction through bill levies.

This is the structural inefficiency explored in UK wind curtailment costs and grid constraints, where system design, not technology, drives the outcome.

The fastest solution exists but isn’t being used: battery storage. Imperial College research suggests medium-duration storage could save £500 million to £3.5 billion annually. Yet NESO “constraint skips” batteries 90% of the time during constrained periods, choosing more expensive alternatives.

2026 UK Energy Priorities – Grid Optimization:

  • NESO Battery Dispatch Reform: Mandate batteries receive dispatch priority during constraints when they’re the least-cost option. Could deliver £600-800 million annual savings immediately.
  • EGL1/EGL2 Emergency Delivery Focus: Eastern Green Links 1 and 2 are already 16 months late. Each year of delay costs £3.6 billion in curtailment.
  • Demand Flexibility Acceleration: Scale from 24 GW today to 51-66 GW by 2030. Deploy V2G infrastructure targeting 5 GW peak capability.
  • Strategic Hydrogen Deployment: Pair electrolysers with offshore wind targeting 40-50% utilisation. Deploy 2-3 GW behind-the-meter capacity.

Theme 5: Technology Worked; Infrastructure and Policy Lagged

One of 2025’s genuine stories was technologies graduating from laboratory to commercial reality—then hitting deployment barriers that had nothing to do with technical viability.

Hydrogen Internal Combustion Engines (H2ICE): JCB secured EU type approval. Cummins ramped X15H engine production. MAN brought 200 hTGX trucks to market. As covered in our Ultimate H2ICE Guide, optimized engines now exceed 50% brake thermal efficiency, rival diesel on fuel economy, and deliver near-zero tailpipe NOx and PM. Yet deployment depends on hydrogen supply reaching €2-2.50/kg, AFIR corridor stations scaling to 500+ public hubs by 2030, and regulatory alignment crediting lifecycle emissions.

Green Steel: Sweden’s SSAB leads commercially. Germany’s Salzgitter and Thyssenkrupp follow with hydrogen-based DRI projects. The EU’s Carbon Border Adjustment Mechanism (CBAM) became operational, reshaping global steel trade around embedded emissions. As explored in our Green Steel and CBAM analysis, market research projects $129 billion to $1.3 trillion by 2030-35. The UK? Still consulting.

Battery Storage: Grid-scale batteries moved rapidly down cost curves. The UK targets 27 GW BESS capacity by 2030. The technology is proven, economics compelling, yet operational rules underuse existing capacity.

2026 UK Energy Priorities – Deployment Acceleration:

  • H2ICE Infrastructure Deployment: Focus AFIR station deployment on commercial vehicle corridors. Coordinate with hydrogen production allocation to ensure supply availability matches vehicle deployment.
  • Green Steel Support Package: Launch UK equivalent of Germany’s industrial cluster support. Provide hydrogen supply contracts at competitive €2-3/kg pricing. Align CBAM compliance systems.
  • Battery Connection Fast-Track: Prioritize strategically located battery storage in connection queue. Focus on constraint boundaries (B6, East Anglia) where curtailment reduction value is highest.
  • Zero-Emission HGV Demonstration Continuation: Government committed funding through UKRI for ZE-HGV demonstrations. Extend beyond March 2026 to support commercial transition.

Theme 6: Decarbonization Became Geopolitics

2025 was the year energy transition stopped being primarily a climate story and became explicitly a strategic competition. Three developments crystallized the shift:

China’s Rare Earths Export Controls: Controls on gallium, germanium, and specific rare earth elements immediately impacted semiconductor, defense, and renewable energy supply chains. China controls ~70% of global mining and over 85% of processing capacity. The West’s response: accelerate domestic mining, build processing capacity outside China, invest in recycling infrastructure, and fund rare-earth-free motor designs.

EU CBAM Operational: The Carbon Border Adjustment Mechanism moved from reporting phase to reshaping global steel, cement, and aluminum trade. European green steel projects secured offtake contracts based on CBAM-driven price premiums. Non-EU producers face tariffs unless decarbonizing.

IMO Shipping Delay: The International Maritime Organization’s failure to agree meaningful carbon pricing exposed the politics-versus-physics tension. As covered in our IMO Shipping Decarbonisation Delay analysis, the result: EU and others proceed unilaterally, fragmenting global maritime regulation.


Ten Critical 2026 UK Energy Priorities – Decision Points

Looking ahead, 2026 will be defined by decisions either made or deferred. These ten priorities determine whether the UK leads or follows:

  1. UK Gas Grid Heating Strategy Consultation: Determines £74bn+ infrastructure investment direction. Decision cannot be deferred again.
  2. HAR2 Contract Awards (Early 2026): First test of scaled hydrogen allocation. Seven times HAR1’s capacity.
  3. EGL1 Delivery Checkpoint: Already 16 months late. Each additional year costs £3.6bn in curtailment.
  4. Clean Power 2030 Progress Review: 95%+ low-carbon target requires 5 GW offshore wind deployment per year versus 1 GW historical average.
  5. UKRI R&D Missions Implementation: £8bn government priority allocation must link to first-of-a-kind deployment, not just research.
  6. NESO Battery Dispatch Reform: Operational changes can deliver £600m+ annual savings immediately.
  7. First Regional H2 Transport/Storage Network FID: £500m+ commitment for networks operational by 2031.
  8. CBAM Transition to Tariffs: Reporting phase ends; financial penalties begin. UK-EU alignment critical.
  9. Hydrogen-to-Power Business Model Launch: De-risks investment in hydrogen-fired power generation.
  10. Innovation Procurement Reform: 30-day payment enforcement, FOAK deployment support, technical judgment embedding.

What 2025 Taught Us About 2026

If there’s a through-line in 2025, it’s this: the energy transition stopped being about technology and started being about economics, policy execution, and strategic coordination.

Hydrogen matured—projects with paying customers advanced, those chasing subsidies failed. AI data centres reshaped industrial land economics. UK policy remained trapped in strategic limbo costing billions annually. Grid curtailment hit £1.5bn while proven battery solutions remained underused. Technologies graduated to commercial readiness, then hit infrastructure and policy barriers. Decarbonization became geopolitics through CBAM, rare earths, and regulatory fragmentation.

The lesson: technology is the easy part. Policy coherence, infrastructure deployment, anchor customer commitments, and regulatory frameworks determine success. In 2025, the winners solved those hard problems. The losers assumed technology alone was enough.

2026 will reveal whether the UK learned the lesson. Denmark committed to gas phase-out with certainty. Germany approved €18.9bn hydrogen networks with risk-sharing. Sweden commercialized green steel. The EU made CBAM operational. China secured rare earths dominance. The UK consulted.

The 2026 UK energy priorities laid out above cannot be deferred. Clean Power 2030 requires 5 GW annual offshore wind deployment starting now. The 10 GW hydrogen target requires 2.5 GW allocation per year. Grid curtailment costs compound toward £8bn without immediate battery dispatch reform and EGL delivery. Innovation ranking decline continues without structural reform linking funding to commercialization.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

2025 Review: 2026 UK Energy Priorities – What Must Happen Now

2025 was the year the energy transition stopped being about technology potential and started being about economic reality. Hydrogen projects with paying customers advanced; those chasing subsidies failed. AI data centres displaced industrial decarbonization. Policy paralysis cost billions. Here’s what happened, why it matters, and what 2026 UK energy priorities must address if Britain is serious about Clean Power 2030, hydrogen deployment, and innovation leadership.


Theme 1: Hydrogen Grew Up—and Not Everyone Survived

The defining hydrogen story of 2025 wasn’t about technology breakthroughs—it was about business model Darwinism. Projects with anchor customers, offtake contracts, and cashflow visibility advanced. Projects built on subsidy hopes and press releases died.

BP’s withdrawal from H2Teesside epitomized the shift. The public narrative blamed an “AI mega-campus,” but the real killer was prosaic: Sabic closed its Olefins 6 cracker, eliminating the £2 billion blue hydrogen project’s anchor customer. Fortescue scrapped two projects. Headlines proclaimed another “hydrogen bubble” burst.

But this wasn’t hydrogen’s death—it was its maturation. The froth burned off. What remains is leaner, more disciplined, and focused on applications that justify infrastructure investment: zero-carbon steelmaking, seasonal renewable storage, and long-haul heavy transport where electrons can’t compete. For detailed analysis of these use cases, see our hydrogen versus battery-electric comparison through 2030.

Meanwhile, green hydrogen projects advanced in Namibia, Saudi Arabia’s Yanbu, and the Gulf—not because economics are perfect today, but because first-movers are building supply chains that will make them perfect tomorrow. Hyphen’s Namibian plant entered FEED. NEOM’s $6.5 billion Air Products offtake sparked shareholder revolt, yet construction continues.

2026 UK Energy Priorities – Hydrogen Deployment:

  • HAR2 Contract Awards (Early 2026): The UK’s Hydrogen Allocation Round 2 targets 875 MW—seven times HAR1’s 125 MW. This is the first real test of whether government can scale hydrogen support beyond demonstration. For detailed policy context, see our UK Hydrogen Policy 2025 analysis.
  • First Regional H2 Transport/Storage Network FID: Government committed £500m+ for regional hydrogen networks operational by 2031. Without transport infrastructure, production capacity is stranded.
  • Hydrogen-to-Power Business Model Launch: Hydrogen-fired power generation needs de-risked investment for Clean Power 2030’s 40-50 GW dispatchable flexibility requirement.
  • Offtake Contract Clarity: Industrial sectors (steel, ammonia, chemicals) must commit to hydrogen purchase agreements. Without demand certainty, supply projects won’t reach FID. The green steel sector is particularly critical here.

The Risk: The 10 GW target requires deploying 2.5 GW per year starting now. HAR1 delivered 125 MW total. The math doesn’t work unless allocation rounds scale 20-fold.

Theme 2: AI Data Centres Won the Land Grab

If hydrogen defined 2025’s losses, AI data centres defined its wins. Hyperscale facilities outbid hydrogen plants, green steel projects, and renewable energy infrastructure for prime industrial sites. The economics are brutal: data centres deliver premium rents, long-term strategic value, and immediate private investment.

Teesside’s rumored £100 billion Google-backed AI campus displaced BP’s hydrogen infrastructure through rent arithmetic. A hyperscale data centre requires gigawatt-scale power with 99.999% uptime. When grid connections take 10-15 years, operators look for alternatives. Enter the gas network—not for heating, but as backup power infrastructure. This dynamic is explored in detail in our UK gas grid strategy analysis.

The irony cuts deep: the displaced hydrogen plant would have produced low-carbon energy for heavy industry. Its replacement increases electricity demand, potentially undermining decarbonization targets. Welcome to 2025, where the path of least resistance beats the path of greatest climate impact.

2026 UK Energy Priorities – Data Centre Integration:

  • Strategic Spatial Energy Plan Implementation: NESO’s spatial planning must guide industrial siting decisions, ensuring data centres locate where grid capacity exists.
  • Grid Connection Queue Reform: Reform must prioritize projects aligned with Clean Power 2030 and industrial strategy, not just those with deepest pockets.
  • Data Centre Energy Efficiency Standards: Mandate best-in-class efficiency, waste heat recovery, and renewable energy procurement.
  • Gas Network Strategy Clarity: The 2026 gas grid strategy must address whether data centre backup power is temporary transition or permanent dependency.

Theme 3: UK Policy Paralysis Cost Billions

British energy and innovation policy spent 2025 trapped in “The Prisoner’s Dilemma”—where rational individual decisions by network operators produce collectively irrational outcomes costing £2-3 billion annually.

The UK gas grid epitomizes the dysfunction. Government simultaneously signals gas phase-out (boiler ban by 2035) while promising “our gas network will always be part of our energy system.” Network operators respond by investing billions in hydrogen blending infrastructure—hedging both scenarios but maximizing consumer costs.

Denmark committed to gas phase-out by 2030 with clear compensation mechanisms. Germany approved an €18.9 billion hydrogen core network with government-backed risk sharing. The Netherlands coordinates gas and electricity TSOs through joint planning. The UK? Endless consultations, contradictory statements, and mounting costs.

Innovation policy showed similar symptoms. The UK slipped from #2 (2015) to #6 (2025) on WIPO’s Global Innovation Index. As explored in our UK Innovation Is Misfiring analysis, the ranking drop is a symptom. The disease is structural: decision-makers without technical expertise, incentives rewarding papers over plants, chronic underinvestment in foundational STEM, and procurement dysfunction.

2026 UK Energy Priorities – Policy Reform:

  • 2026 Heating Strategy Decision: End the gas grid limbo. Either commit to phase-out with compensation OR commit to hydrogen conversion with demand anchor confirmation. Continued indecision costs £2-3 billion per year.
  • HAR3 Launch by Year-End: Maintain hydrogen deployment momentum toward 10 GW target.
  • UKRI R&D Missions Implementation: £38.6 billion 2025-26 UKRI budget must fund first-of-a-kind deployment with customer offtake—not just laboratory research. This mirrors the historical pattern of government funding transformative technologies.
  • Innovation Procurement Reform: Enforce 30-day payment terms. Embed technical operators in major programmes. Treat semiconductors, chemicals, and PNT as strategic infrastructure.

Theme 4: Grid Curtailment—The £1.5 Billion Wake-Up Call

Wind curtailment costs hit £1.5 billion in 2025—up from £1.23 billion in 2024 and £282 million in 2020. Without intervention, projections suggest £8 billion annually by 2030. As detailed in our comprehensive curtailment analysis, the core problem is simple: Scotland’s wind generation exploded faster than transmission capacity to England.

The B6 boundary—the transmission interface between Scotland and England—comprises just two main AC lines plus one HVDC link. When full, Scottish wind must be curtailed (with compensation payments) while gas plants south of the boundary are dispatched (with generation payments). Consumers pay both sides of the transaction through bill levies.

The fastest solution exists but isn’t being used: battery storage. Imperial College research suggests medium-duration storage could save £500 million to £3.5 billion annually. Yet NESO “constraint skips” batteries 90% of the time during constrained periods, choosing more expensive alternatives.

2026 UK Energy Priorities – Grid Optimization:

  • NESO Battery Dispatch Reform: Mandate batteries receive dispatch priority during constraints when they’re the least-cost option. Could deliver £600-800 million annual savings immediately.
  • EGL1/EGL2 Emergency Delivery Focus: Eastern Green Links 1 and 2 are already 16 months late. Each year of delay costs £3.6 billion in curtailment.
  • Demand Flexibility Acceleration: Scale from 24 GW today to 51-66 GW by 2030. Deploy V2G infrastructure targeting 5 GW peak capability.
  • Strategic Hydrogen Deployment: Pair electrolysers with offshore wind targeting 40-50% utilisation. Deploy 2-3 GW behind-the-meter capacity.

Theme 5: Technology Worked; Infrastructure and Policy Lagged

One of 2025’s genuine stories was technologies graduating from laboratory to commercial reality—then hitting deployment barriers that had nothing to do with technical viability.

Hydrogen Internal Combustion Engines (H2ICE): JCB secured EU type approval. Cummins ramped X15H engine production. MAN brought 200 hTGX trucks to market. As covered in our Ultimate H2ICE Guide, optimized engines now exceed 50% brake thermal efficiency, rival diesel on fuel economy, and deliver near-zero tailpipe NOx and PM. Yet deployment depends on hydrogen supply reaching €2-2.50/kg, AFIR corridor stations scaling to 500+ public hubs by 2030, and regulatory alignment crediting lifecycle emissions.

Green Steel: Sweden’s SSAB leads commercially. Germany’s Salzgitter and Thyssenkrupp follow with hydrogen-based DRI projects. The EU’s Carbon Border Adjustment Mechanism (CBAM) became operational, reshaping global steel trade around embedded emissions. As explored in our Green Steel and CBAM analysis, market research projects $129 billion to $1.3 trillion by 2030-35. The UK? Still consulting.

Battery Storage: Grid-scale batteries moved rapidly down cost curves. The UK targets 27 GW BESS capacity by 2030. The technology is proven, economics compelling, yet operational rules underuse existing capacity.

2026 UK Energy Priorities – Deployment Acceleration:

  • H2ICE Infrastructure Deployment: Focus AFIR station deployment on commercial vehicle corridors. Coordinate with hydrogen production allocation to ensure supply availability matches vehicle deployment.
  • Green Steel Support Package: Launch UK equivalent of Germany’s industrial cluster support. Provide hydrogen supply contracts at competitive €2-3/kg pricing. Align CBAM compliance systems.
  • Battery Connection Fast-Track: Prioritize strategically located battery storage in connection queue. Focus on constraint boundaries (B6, East Anglia) where curtailment reduction value is highest.
  • Zero-Emission HGV Demonstration Continuation: Government committed funding through UKRI for ZE-HGV demonstrations. Extend beyond March 2026 to support commercial transition.

Theme 6: Decarbonization Became Geopolitics

2025 was the year energy transition stopped being primarily a climate story and became explicitly a strategic competition. Three developments crystallized the shift:

China’s Rare Earths Export Controls: Controls on gallium, germanium, and specific rare earth elements immediately impacted semiconductor, defense, and renewable energy supply chains. China controls ~70% of global mining and over 85% of processing capacity. The West’s response: accelerate domestic mining, build processing capacity outside China, invest in recycling infrastructure, and fund rare-earth-free motor designs.

EU CBAM Operational: The Carbon Border Adjustment Mechanism moved from reporting phase to reshaping global steel, cement, and aluminum trade. European green steel projects secured offtake contracts based on CBAM-driven price premiums. Non-EU producers face tariffs unless decarbonizing.

IMO Shipping Delay: The International Maritime Organization’s failure to agree meaningful carbon pricing exposed the politics-versus-physics tension. As covered in our IMO Shipping Decarbonisation Delay analysis, the result: EU and others proceed unilaterally, fragmenting global maritime regulation.


Ten Critical 2026 UK Energy Priorities – Decision Points

Looking ahead, 2026 will be defined by decisions either made or deferred. These ten priorities determine whether the UK leads or follows:

  1. UK Gas Grid Heating Strategy Consultation: Determines £74bn+ infrastructure investment direction. Decision cannot be deferred again.
  2. HAR2 Contract Awards (Early 2026): First test of scaled hydrogen allocation. Seven times HAR1’s capacity.
  3. EGL1 Delivery Checkpoint: Already 16 months late. Each additional year costs £3.6bn in curtailment.
  4. Clean Power 2030 Progress Review: 95%+ low-carbon target requires 5 GW offshore wind deployment per year versus 1 GW historical average.
  5. UKRI R&D Missions Implementation: £8bn government priority allocation must link to first-of-a-kind deployment, not just research.
  6. NESO Battery Dispatch Reform: Operational changes can deliver £600m+ annual savings immediately.
  7. First Regional H2 Transport/Storage Network FID: £500m+ commitment for networks operational by 2031.
  8. CBAM Transition to Tariffs: Reporting phase ends; financial penalties begin. UK-EU alignment critical.
  9. Hydrogen-to-Power Business Model Launch: De-risks investment in hydrogen-fired power generation.
  10. Innovation Procurement Reform: 30-day payment enforcement, FOAK deployment support, technical judgment embedding.

What 2025 Taught Us About 2026

If there’s a through-line in 2025, it’s this: the energy transition stopped being about technology and started being about economics, policy execution, and strategic coordination.

Hydrogen matured—projects with paying customers advanced, those chasing subsidies failed. AI data centres reshaped industrial land economics. UK policy remained trapped in strategic limbo costing billions annually. Grid curtailment hit £1.5bn while proven battery solutions remained underused. Technologies graduated to commercial readiness, then hit infrastructure and policy barriers. Decarbonization became geopolitics through CBAM, rare earths, and regulatory fragmentation.

The lesson: technology is the easy part. Policy coherence, infrastructure deployment, anchor customer commitments, and regulatory frameworks determine success. In 2025, the winners solved those hard problems. The losers assumed technology alone was enough.

2026 will reveal whether the UK learned the lesson. Denmark committed to gas phase-out with certainty. Germany approved €18.9bn hydrogen networks with risk-sharing. Sweden commercialized green steel. The EU made CBAM operational. China secured rare earths dominance. The UK consulted.

The 2026 UK energy priorities laid out above cannot be deferred. Clean Power 2030 requires 5 GW annual offshore wind deployment starting now. The 10 GW hydrogen target requires 2.5 GW allocation per year. Grid curtailment costs compound toward £8bn without immediate battery dispatch reform and EGL delivery. Innovation ranking decline continues without structural reform linking funding to commercialization.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

2025 Review: 2026 UK Energy Priorities – What Must Happen Now

2025 was the year the energy transition stopped being about technology potential and started being about economic reality. Hydrogen projects with paying customers advanced; those chasing subsidies failed. AI data centres displaced industrial decarbonization. Policy paralysis cost billions. Here’s what happened, why it matters, and what 2026 UK energy priorities must address if Britain is serious about Clean Power 2030, hydrogen deployment, and innovation leadership.


Theme 1: Hydrogen Grew Up—and Not Everyone Survived

The defining hydrogen story of 2025 wasn’t about technology breakthroughs—it was about business model Darwinism. Projects with anchor customers, offtake contracts, and cashflow visibility advanced. Projects built on subsidy hopes and press releases died.

BP’s withdrawal from H2Teesside epitomized the shift. The public narrative blamed an “AI mega-campus,” but the real killer was prosaic: Sabic closed its Olefins 6 cracker, eliminating the £2 billion blue hydrogen project’s anchor customer. Fortescue scrapped two projects. Headlines proclaimed another “hydrogen bubble” burst.

But this wasn’t hydrogen’s death—it was its maturation. The froth burned off. What remains is leaner, more disciplined, and focused on applications that justify infrastructure investment: zero-carbon steelmaking, seasonal renewable storage, and long-haul heavy transport where electrons can’t compete. For detailed analysis of these use cases, see our hydrogen versus battery-electric comparison through 2030.

Meanwhile, green hydrogen projects advanced in Namibia, Saudi Arabia’s Yanbu, and the Gulf—not because economics are perfect today, but because first-movers are building supply chains that will make them perfect tomorrow. Hyphen’s Namibian plant entered FEED. NEOM’s $6.5 billion Air Products offtake sparked shareholder revolt, yet construction continues.

2026 UK Energy Priorities – Hydrogen Deployment:

  • HAR2 Contract Awards (Early 2026): The UK’s Hydrogen Allocation Round 2 targets 875 MW—seven times HAR1’s 125 MW. This is the first real test of whether government can scale hydrogen support beyond demonstration. For detailed policy context, see our UK Hydrogen Policy 2025 analysis.
  • First Regional H2 Transport/Storage Network FID: Government committed £500m+ for regional hydrogen networks operational by 2031. Without transport infrastructure, production capacity is stranded.
  • Hydrogen-to-Power Business Model Launch: Hydrogen-fired power generation needs de-risked investment for Clean Power 2030’s 40-50 GW dispatchable flexibility requirement.
  • Offtake Contract Clarity: Industrial sectors (steel, ammonia, chemicals) must commit to hydrogen purchase agreements. Without demand certainty, supply projects won’t reach FID. The green steel sector is particularly critical here.

The Risk: The 10 GW target requires deploying 2.5 GW per year starting now. HAR1 delivered 125 MW total. The math doesn’t work unless allocation rounds scale 20-fold.

Theme 2: AI Data Centres Won the Land Grab

If hydrogen defined 2025’s losses, AI data centres defined its wins. Hyperscale facilities outbid hydrogen plants, green steel projects, and renewable energy infrastructure for prime industrial sites. The economics are brutal: data centres deliver premium rents, long-term strategic value, and immediate private investment.

Teesside’s rumored £100 billion Google-backed AI campus displaced BP’s hydrogen infrastructure through rent arithmetic. A hyperscale data centre requires gigawatt-scale power with 99.999% uptime. When grid connections take 10-15 years, operators look for alternatives. Enter the gas network—not for heating, but as backup power infrastructure. This dynamic is explored in detail in our UK gas grid strategy analysis.

The irony cuts deep: the displaced hydrogen plant would have produced low-carbon energy for heavy industry. Its replacement increases electricity demand, potentially undermining decarbonization targets. Welcome to 2025, where the path of least resistance beats the path of greatest climate impact.

2026 UK Energy Priorities – Data Centre Integration:

  • Strategic Spatial Energy Plan Implementation: NESO’s spatial planning must guide industrial siting decisions, ensuring data centres locate where grid capacity exists.
  • Grid Connection Queue Reform: Reform must prioritize projects aligned with Clean Power 2030 and industrial strategy, not just those with deepest pockets.
  • Data Centre Energy Efficiency Standards: Mandate best-in-class efficiency, waste heat recovery, and renewable energy procurement.
  • Gas Network Strategy Clarity: The 2026 gas grid strategy must address whether data centre backup power is temporary transition or permanent dependency.

Theme 3: UK Policy Paralysis Cost Billions

British energy and innovation policy spent 2025 trapped in “The Prisoner’s Dilemma”—where rational individual decisions by network operators produce collectively irrational outcomes costing £2-3 billion annually.

The UK gas grid epitomizes the dysfunction. Government simultaneously signals gas phase-out (boiler ban by 2035) while promising “our gas network will always be part of our energy system.” Network operators respond by investing billions in hydrogen blending infrastructure—hedging both scenarios but maximizing consumer costs.

Denmark committed to gas phase-out by 2030 with clear compensation mechanisms. Germany approved an €18.9 billion hydrogen core network with government-backed risk sharing. The Netherlands coordinates gas and electricity TSOs through joint planning. The UK? Endless consultations, contradictory statements, and mounting costs.

Innovation policy showed similar symptoms. The UK slipped from #2 (2015) to #6 (2025) on WIPO’s Global Innovation Index. As explored in our UK Innovation Is Misfiring analysis, the ranking drop is a symptom. The disease is structural: decision-makers without technical expertise, incentives rewarding papers over plants, chronic underinvestment in foundational STEM, and procurement dysfunction.

2026 UK Energy Priorities – Policy Reform:

  • 2026 Heating Strategy Decision: End the gas grid limbo. Either commit to phase-out with compensation OR commit to hydrogen conversion with demand anchor confirmation. Continued indecision costs £2-3 billion per year.
  • HAR3 Launch by Year-End: Maintain hydrogen deployment momentum toward 10 GW target.
  • UKRI R&D Missions Implementation: £38.6 billion 2025-26 UKRI budget must fund first-of-a-kind deployment with customer offtake—not just laboratory research. This mirrors the historical pattern of government funding transformative technologies.
  • Innovation Procurement Reform: Enforce 30-day payment terms. Embed technical operators in major programmes. Treat semiconductors, chemicals, and PNT as strategic infrastructure.

Theme 4: Grid Curtailment—The £1.5 Billion Wake-Up Call

Wind curtailment costs hit £1.5 billion in 2025—up from £1.23 billion in 2024 and £282 million in 2020. Without intervention, projections suggest £8 billion annually by 2030. As detailed in our UK wind curtailment costs and grid constraints, the core problem is simple: Scotland’s wind generation exploded faster than transmission capacity to England.

The B6 boundary—the transmission interface between Scotland and England—comprises just two main AC lines plus one HVDC link. When full, Scottish wind must be curtailed (with compensation payments) while gas plants south of the boundary are dispatched (with generation payments). Consumers pay both sides of the transaction through bill levies.

This is the structural inefficiency explored in UK wind curtailment costs and grid constraints, where system design, not technology, drives the outcome.

The fastest solution exists but isn’t being used: battery storage. Imperial College research suggests medium-duration storage could save £500 million to £3.5 billion annually. Yet NESO “constraint skips” batteries 90% of the time during constrained periods, choosing more expensive alternatives.

2026 UK Energy Priorities – Grid Optimization:

  • NESO Battery Dispatch Reform: Mandate batteries receive dispatch priority during constraints when they’re the least-cost option. Could deliver £600-800 million annual savings immediately.
  • EGL1/EGL2 Emergency Delivery Focus: Eastern Green Links 1 and 2 are already 16 months late. Each year of delay costs £3.6 billion in curtailment.
  • Demand Flexibility Acceleration: Scale from 24 GW today to 51-66 GW by 2030. Deploy V2G infrastructure targeting 5 GW peak capability.
  • Strategic Hydrogen Deployment: Pair electrolysers with offshore wind targeting 40-50% utilisation. Deploy 2-3 GW behind-the-meter capacity.

Theme 5: Technology Worked; Infrastructure and Policy Lagged

One of 2025’s genuine stories was technologies graduating from laboratory to commercial reality—then hitting deployment barriers that had nothing to do with technical viability.

Hydrogen Internal Combustion Engines (H2ICE): JCB secured EU type approval. Cummins ramped X15H engine production. MAN brought 200 hTGX trucks to market. As covered in our Ultimate H2ICE Guide, optimized engines now exceed 50% brake thermal efficiency, rival diesel on fuel economy, and deliver near-zero tailpipe NOx and PM. Yet deployment depends on hydrogen supply reaching €2-2.50/kg, AFIR corridor stations scaling to 500+ public hubs by 2030, and regulatory alignment crediting lifecycle emissions.

Green Steel: Sweden’s SSAB leads commercially. Germany’s Salzgitter and Thyssenkrupp follow with hydrogen-based DRI projects. The EU’s Carbon Border Adjustment Mechanism (CBAM) became operational, reshaping global steel trade around embedded emissions. As explored in our Green Steel and CBAM analysis, market research projects $129 billion to $1.3 trillion by 2030-35. The UK? Still consulting.

Battery Storage: Grid-scale batteries moved rapidly down cost curves. The UK targets 27 GW BESS capacity by 2030. The technology is proven, economics compelling, yet operational rules underuse existing capacity.

2026 UK Energy Priorities – Deployment Acceleration:

  • H2ICE Infrastructure Deployment: Focus AFIR station deployment on commercial vehicle corridors. Coordinate with hydrogen production allocation to ensure supply availability matches vehicle deployment.
  • Green Steel Support Package: Launch UK equivalent of Germany’s industrial cluster support. Provide hydrogen supply contracts at competitive €2-3/kg pricing. Align CBAM compliance systems.
  • Battery Connection Fast-Track: Prioritize strategically located battery storage in connection queue. Focus on constraint boundaries (B6, East Anglia) where curtailment reduction value is highest.
  • Zero-Emission HGV Demonstration Continuation: Government committed funding through UKRI for ZE-HGV demonstrations. Extend beyond March 2026 to support commercial transition.

Theme 6: Decarbonization Became Geopolitics

2025 was the year energy transition stopped being primarily a climate story and became explicitly a strategic competition. Three developments crystallized the shift:

China’s Rare Earths Export Controls: Controls on gallium, germanium, and specific rare earth elements immediately impacted semiconductor, defense, and renewable energy supply chains. China controls ~70% of global mining and over 85% of processing capacity. The West’s response: accelerate domestic mining, build processing capacity outside China, invest in recycling infrastructure, and fund rare-earth-free motor designs.

EU CBAM Operational: The Carbon Border Adjustment Mechanism moved from reporting phase to reshaping global steel, cement, and aluminum trade. European green steel projects secured offtake contracts based on CBAM-driven price premiums. Non-EU producers face tariffs unless decarbonizing.

IMO Shipping Delay: The International Maritime Organization’s failure to agree meaningful carbon pricing exposed the politics-versus-physics tension. As covered in our IMO Shipping Decarbonisation Delay analysis, the result: EU and others proceed unilaterally, fragmenting global maritime regulation.


Ten Critical 2026 UK Energy Priorities – Decision Points

Looking ahead, 2026 will be defined by decisions either made or deferred. These ten priorities determine whether the UK leads or follows:

  1. UK Gas Grid Heating Strategy Consultation: Determines £74bn+ infrastructure investment direction. Decision cannot be deferred again.
  2. HAR2 Contract Awards (Early 2026): First test of scaled hydrogen allocation. Seven times HAR1’s capacity.
  3. EGL1 Delivery Checkpoint: Already 16 months late. Each additional year costs £3.6bn in curtailment.
  4. Clean Power 2030 Progress Review: 95%+ low-carbon target requires 5 GW offshore wind deployment per year versus 1 GW historical average.
  5. UKRI R&D Missions Implementation: £8bn government priority allocation must link to first-of-a-kind deployment, not just research.
  6. NESO Battery Dispatch Reform: Operational changes can deliver £600m+ annual savings immediately.
  7. First Regional H2 Transport/Storage Network FID: £500m+ commitment for networks operational by 2031.
  8. CBAM Transition to Tariffs: Reporting phase ends; financial penalties begin. UK-EU alignment critical.
  9. Hydrogen-to-Power Business Model Launch: De-risks investment in hydrogen-fired power generation.
  10. Innovation Procurement Reform: 30-day payment enforcement, FOAK deployment support, technical judgment embedding.

What 2025 Taught Us About 2026

If there’s a through-line in 2025, it’s this: the energy transition stopped being about technology and started being about economics, policy execution, and strategic coordination.

Hydrogen matured—projects with paying customers advanced, those chasing subsidies failed. AI data centres reshaped industrial land economics. UK policy remained trapped in strategic limbo costing billions annually. Grid curtailment hit £1.5bn while proven battery solutions remained underused. Technologies graduated to commercial readiness, then hit infrastructure and policy barriers. Decarbonization became geopolitics through CBAM, rare earths, and regulatory fragmentation.

The lesson: technology is the easy part. Policy coherence, infrastructure deployment, anchor customer commitments, and regulatory frameworks determine success. In 2025, the winners solved those hard problems. The losers assumed technology alone was enough.

2026 will reveal whether the UK learned the lesson. Denmark committed to gas phase-out with certainty. Germany approved €18.9bn hydrogen networks with risk-sharing. Sweden commercialized green steel. The EU made CBAM operational. China secured rare earths dominance. The UK consulted.

The 2026 UK energy priorities laid out above cannot be deferred. Clean Power 2030 requires 5 GW annual offshore wind deployment starting now. The 10 GW hydrogen target requires 2.5 GW allocation per year. Grid curtailment costs compound toward £8bn without immediate battery dispatch reform and EGL delivery. Innovation ranking decline continues without structural reform linking funding to commercialization.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

2025 Review: 2026 UK Energy Priorities – What Must Happen Now

2025 was the year the energy transition stopped being about technology potential and started being about economic reality. Hydrogen projects with paying customers advanced; those chasing subsidies failed. AI data centres displaced industrial decarbonization. Policy paralysis cost billions. Here’s what happened, why it matters, and what 2026 UK energy priorities must address if Britain is serious about Clean Power 2030, hydrogen deployment, and innovation leadership.


Theme 1: Hydrogen Grew Up—and Not Everyone Survived

The defining hydrogen story of 2025 wasn’t about technology breakthroughs—it was about business model Darwinism. Projects with anchor customers, offtake contracts, and cashflow visibility advanced. Projects built on subsidy hopes and press releases died.

BP’s withdrawal from H2Teesside epitomized the shift. The public narrative blamed an “AI mega-campus,” but the real killer was prosaic: Sabic closed its Olefins 6 cracker, eliminating the £2 billion blue hydrogen project’s anchor customer. Fortescue scrapped two projects. Headlines proclaimed another “hydrogen bubble” burst.

But this wasn’t hydrogen’s death—it was its maturation. The froth burned off. What remains is leaner, more disciplined, and focused on applications that justify infrastructure investment: zero-carbon steelmaking, seasonal renewable storage, and long-haul heavy transport where electrons can’t compete. For detailed analysis of these use cases, see our hydrogen versus battery-electric comparison through 2030.

Meanwhile, green hydrogen projects advanced in Namibia, Saudi Arabia’s Yanbu, and the Gulf—not because economics are perfect today, but because first-movers are building supply chains that will make them perfect tomorrow. Hyphen’s Namibian plant entered FEED. NEOM’s $6.5 billion Air Products offtake sparked shareholder revolt, yet construction continues.

2026 UK Energy Priorities – Hydrogen Deployment:

  • HAR2 Contract Awards (Early 2026): The UK’s Hydrogen Allocation Round 2 targets 875 MW—seven times HAR1’s 125 MW. This is the first real test of whether government can scale hydrogen support beyond demonstration. For detailed policy context, see our UK Hydrogen Policy 2025 analysis.
  • First Regional H2 Transport/Storage Network FID: Government committed £500m+ for regional hydrogen networks operational by 2031. Without transport infrastructure, production capacity is stranded.
  • Hydrogen-to-Power Business Model Launch: Hydrogen-fired power generation needs de-risked investment for Clean Power 2030’s 40-50 GW dispatchable flexibility requirement.
  • Offtake Contract Clarity: Industrial sectors (steel, ammonia, chemicals) must commit to hydrogen purchase agreements. Without demand certainty, supply projects won’t reach FID. The green steel sector is particularly critical here.

The Risk: The 10 GW target requires deploying 2.5 GW per year starting now. HAR1 delivered 125 MW total. The math doesn’t work unless allocation rounds scale 20-fold.

Theme 2: AI Data Centres Won the Land Grab

If hydrogen defined 2025’s losses, AI data centres defined its wins. Hyperscale facilities outbid hydrogen plants, green steel projects, and renewable energy infrastructure for prime industrial sites. The economics are brutal: data centres deliver premium rents, long-term strategic value, and immediate private investment.

Teesside’s rumored £100 billion Google-backed AI campus displaced BP’s hydrogen infrastructure through rent arithmetic. A hyperscale data centre requires gigawatt-scale power with 99.999% uptime. When grid connections take 10-15 years, operators look for alternatives. Enter the gas network—not for heating, but as backup power infrastructure. This dynamic is explored in detail in our UK gas grid strategy analysis.

The irony cuts deep: the displaced hydrogen plant would have produced low-carbon energy for heavy industry. Its replacement increases electricity demand, potentially undermining decarbonization targets. Welcome to 2025, where the path of least resistance beats the path of greatest climate impact.

2026 UK Energy Priorities – Data Centre Integration:

  • Strategic Spatial Energy Plan Implementation: NESO’s spatial planning must guide industrial siting decisions, ensuring data centres locate where grid capacity exists.
  • Grid Connection Queue Reform: Reform must prioritize projects aligned with Clean Power 2030 and industrial strategy, not just those with deepest pockets.
  • Data Centre Energy Efficiency Standards: Mandate best-in-class efficiency, waste heat recovery, and renewable energy procurement.
  • Gas Network Strategy Clarity: The 2026 gas grid strategy must address whether data centre backup power is temporary transition or permanent dependency.

Theme 3: UK Policy Paralysis Cost Billions

British energy and innovation policy spent 2025 trapped in “The Prisoner’s Dilemma”—where rational individual decisions by network operators produce collectively irrational outcomes costing £2-3 billion annually.

The UK gas grid epitomizes the dysfunction. Government simultaneously signals gas phase-out (boiler ban by 2035) while promising “our gas network will always be part of our energy system.” Network operators respond by investing billions in hydrogen blending infrastructure—hedging both scenarios but maximizing consumer costs.

Denmark committed to gas phase-out by 2030 with clear compensation mechanisms. Germany approved an €18.9 billion hydrogen core network with government-backed risk sharing. The Netherlands coordinates gas and electricity TSOs through joint planning. The UK? Endless consultations, contradictory statements, and mounting costs.

Innovation policy showed similar symptoms. The UK slipped from #2 (2015) to #6 (2025) on WIPO’s Global Innovation Index. As explored in our UK Innovation Is Misfiring analysis, the ranking drop is a symptom. The disease is structural: decision-makers without technical expertise, incentives rewarding papers over plants, chronic underinvestment in foundational STEM, and procurement dysfunction.

2026 UK Energy Priorities – Policy Reform:

  • 2026 Heating Strategy Decision: End the gas grid limbo. Either commit to phase-out with compensation OR commit to hydrogen conversion with demand anchor confirmation. Continued indecision costs £2-3 billion per year.
  • HAR3 Launch by Year-End: Maintain hydrogen deployment momentum toward 10 GW target.
  • UKRI R&D Missions Implementation: £38.6 billion 2025-26 UKRI budget must fund first-of-a-kind deployment with customer offtake—not just laboratory research. This mirrors the historical pattern of government funding transformative technologies.
  • Innovation Procurement Reform: Enforce 30-day payment terms. Embed technical operators in major programmes. Treat semiconductors, chemicals, and PNT as strategic infrastructure.

Theme 4: Grid Curtailment—The £1.5 Billion Wake-Up Call

Wind curtailment costs hit £1.5 billion in 2025—up from £1.23 billion in 2024 and £282 million in 2020. Without intervention, projections suggest £8 billion annually by 2030. As detailed in our comprehensive curtailment analysis, the core problem is simple: Scotland’s wind generation exploded faster than transmission capacity to England.

The B6 boundary—the transmission interface between Scotland and England—comprises just two main AC lines plus one HVDC link. When full, Scottish wind must be curtailed (with compensation payments) while gas plants south of the boundary are dispatched (with generation payments). Consumers pay both sides of the transaction through bill levies.

The fastest solution exists but isn’t being used: battery storage. Imperial College research suggests medium-duration storage could save £500 million to £3.5 billion annually. Yet NESO “constraint skips” batteries 90% of the time during constrained periods, choosing more expensive alternatives.

2026 UK Energy Priorities – Grid Optimization:

  • NESO Battery Dispatch Reform: Mandate batteries receive dispatch priority during constraints when they’re the least-cost option. Could deliver £600-800 million annual savings immediately.
  • EGL1/EGL2 Emergency Delivery Focus: Eastern Green Links 1 and 2 are already 16 months late. Each year of delay costs £3.6 billion in curtailment.
  • Demand Flexibility Acceleration: Scale from 24 GW today to 51-66 GW by 2030. Deploy V2G infrastructure targeting 5 GW peak capability.
  • Strategic Hydrogen Deployment: Pair electrolysers with offshore wind targeting 40-50% utilisation. Deploy 2-3 GW behind-the-meter capacity.

Theme 5: Technology Worked; Infrastructure and Policy Lagged

One of 2025’s genuine stories was technologies graduating from laboratory to commercial reality—then hitting deployment barriers that had nothing to do with technical viability.

Hydrogen Internal Combustion Engines (H2ICE): JCB secured EU type approval. Cummins ramped X15H engine production. MAN brought 200 hTGX trucks to market. As covered in our Ultimate H2ICE Guide, optimized engines now exceed 50% brake thermal efficiency, rival diesel on fuel economy, and deliver near-zero tailpipe NOx and PM. Yet deployment depends on hydrogen supply reaching €2-2.50/kg, AFIR corridor stations scaling to 500+ public hubs by 2030, and regulatory alignment crediting lifecycle emissions.

Green Steel: Sweden’s SSAB leads commercially. Germany’s Salzgitter and Thyssenkrupp follow with hydrogen-based DRI projects. The EU’s Carbon Border Adjustment Mechanism (CBAM) became operational, reshaping global steel trade around embedded emissions. As explored in our Green Steel and CBAM analysis, market research projects $129 billion to $1.3 trillion by 2030-35. The UK? Still consulting.

Battery Storage: Grid-scale batteries moved rapidly down cost curves. The UK targets 27 GW BESS capacity by 2030. The technology is proven, economics compelling, yet operational rules underuse existing capacity.

2026 UK Energy Priorities – Deployment Acceleration:

  • H2ICE Infrastructure Deployment: Focus AFIR station deployment on commercial vehicle corridors. Coordinate with hydrogen production allocation to ensure supply availability matches vehicle deployment.
  • Green Steel Support Package: Launch UK equivalent of Germany’s industrial cluster support. Provide hydrogen supply contracts at competitive €2-3/kg pricing. Align CBAM compliance systems.
  • Battery Connection Fast-Track: Prioritize strategically located battery storage in connection queue. Focus on constraint boundaries (B6, East Anglia) where curtailment reduction value is highest.
  • Zero-Emission HGV Demonstration Continuation: Government committed funding through UKRI for ZE-HGV demonstrations. Extend beyond March 2026 to support commercial transition.

Theme 6: Decarbonization Became Geopolitics

2025 was the year energy transition stopped being primarily a climate story and became explicitly a strategic competition. Three developments crystallized the shift:

China’s Rare Earths Export Controls: Controls on gallium, germanium, and specific rare earth elements immediately impacted semiconductor, defense, and renewable energy supply chains. China controls ~70% of global mining and over 85% of processing capacity. The West’s response: accelerate domestic mining, build processing capacity outside China, invest in recycling infrastructure, and fund rare-earth-free motor designs.

EU CBAM Operational: The Carbon Border Adjustment Mechanism moved from reporting phase to reshaping global steel, cement, and aluminum trade. European green steel projects secured offtake contracts based on CBAM-driven price premiums. Non-EU producers face tariffs unless decarbonizing.

IMO Shipping Delay: The International Maritime Organization’s failure to agree meaningful carbon pricing exposed the politics-versus-physics tension. As covered in our IMO Shipping Decarbonisation Delay analysis, the result: EU and others proceed unilaterally, fragmenting global maritime regulation.


Ten Critical 2026 UK Energy Priorities – Decision Points

Looking ahead, 2026 will be defined by decisions either made or deferred. These ten priorities determine whether the UK leads or follows:

  1. UK Gas Grid Heating Strategy Consultation: Determines £74bn+ infrastructure investment direction. Decision cannot be deferred again.
  2. HAR2 Contract Awards (Early 2026): First test of scaled hydrogen allocation. Seven times HAR1’s capacity.
  3. EGL1 Delivery Checkpoint: Already 16 months late. Each additional year costs £3.6bn in curtailment.
  4. Clean Power 2030 Progress Review: 95%+ low-carbon target requires 5 GW offshore wind deployment per year versus 1 GW historical average.
  5. UKRI R&D Missions Implementation: £8bn government priority allocation must link to first-of-a-kind deployment, not just research.
  6. NESO Battery Dispatch Reform: Operational changes can deliver £600m+ annual savings immediately.
  7. First Regional H2 Transport/Storage Network FID: £500m+ commitment for networks operational by 2031.
  8. CBAM Transition to Tariffs: Reporting phase ends; financial penalties begin. UK-EU alignment critical.
  9. Hydrogen-to-Power Business Model Launch: De-risks investment in hydrogen-fired power generation.
  10. Innovation Procurement Reform: 30-day payment enforcement, FOAK deployment support, technical judgment embedding.

What 2025 Taught Us About 2026

If there’s a through-line in 2025, it’s this: the energy transition stopped being about technology and started being about economics, policy execution, and strategic coordination.

Hydrogen matured—projects with paying customers advanced, those chasing subsidies failed. AI data centres reshaped industrial land economics. UK policy remained trapped in strategic limbo costing billions annually. Grid curtailment hit £1.5bn while proven battery solutions remained underused. Technologies graduated to commercial readiness, then hit infrastructure and policy barriers. Decarbonization became geopolitics through CBAM, rare earths, and regulatory fragmentation.

The lesson: technology is the easy part. Policy coherence, infrastructure deployment, anchor customer commitments, and regulatory frameworks determine success. In 2025, the winners solved those hard problems. The losers assumed technology alone was enough.

2026 will reveal whether the UK learned the lesson. Denmark committed to gas phase-out with certainty. Germany approved €18.9bn hydrogen networks with risk-sharing. Sweden commercialized green steel. The EU made CBAM operational. China secured rare earths dominance. The UK consulted.

The 2026 UK energy priorities laid out above cannot be deferred. Clean Power 2030 requires 5 GW annual offshore wind deployment starting now. The 10 GW hydrogen target requires 2.5 GW allocation per year. Grid curtailment costs compound toward £8bn without immediate battery dispatch reform and EGL delivery. Innovation ranking decline continues without structural reform linking funding to commercialization.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

2025 Review: 2026 UK Energy Priorities – What Must Happen Now

2025 was the year the energy transition stopped being about technology potential and started being about economic reality. Hydrogen projects with paying customers advanced; those chasing subsidies failed. AI data centres displaced industrial decarbonization. Policy paralysis cost billions. Here’s what happened, why it matters, and what 2026 UK energy priorities must address if Britain is serious about Clean Power 2030, hydrogen deployment, and innovation leadership.


Theme 1: Hydrogen Grew Up—and Not Everyone Survived

The defining hydrogen story of 2025 wasn’t about technology breakthroughs—it was about business model Darwinism. Projects with anchor customers, offtake contracts, and cashflow visibility advanced. Projects built on subsidy hopes and press releases died.

BP’s withdrawal from H2Teesside epitomized the shift. The public narrative blamed an “AI mega-campus,” but the real killer was prosaic: Sabic closed its Olefins 6 cracker, eliminating the £2 billion blue hydrogen project’s anchor customer. Fortescue scrapped two projects. Headlines proclaimed another “hydrogen bubble” burst.

But this wasn’t hydrogen’s death—it was its maturation. The froth burned off. What remains is leaner, more disciplined, and focused on applications that justify infrastructure investment: zero-carbon steelmaking, seasonal renewable storage, and long-haul heavy transport where electrons can’t compete. For detailed analysis of these use cases, see our hydrogen versus battery-electric comparison through 2030.

Meanwhile, green hydrogen projects advanced in Namibia, Saudi Arabia’s Yanbu, and the Gulf—not because economics are perfect today, but because first-movers are building supply chains that will make them perfect tomorrow. Hyphen’s Namibian plant entered FEED. NEOM’s $6.5 billion Air Products offtake sparked shareholder revolt, yet construction continues.

2026 UK Energy Priorities – Hydrogen Deployment:

  • HAR2 Contract Awards (Early 2026): The UK’s Hydrogen Allocation Round 2 targets 875 MW—seven times HAR1’s 125 MW. This is the first real test of whether government can scale hydrogen support beyond demonstration. For detailed policy context, see our UK Hydrogen Policy 2025 analysis.
  • First Regional H2 Transport/Storage Network FID: Government committed £500m+ for regional hydrogen networks operational by 2031. Without transport infrastructure, production capacity is stranded.
  • Hydrogen-to-Power Business Model Launch: Hydrogen-fired power generation needs de-risked investment for Clean Power 2030’s 40-50 GW dispatchable flexibility requirement.
  • Offtake Contract Clarity: Industrial sectors (steel, ammonia, chemicals) must commit to hydrogen purchase agreements. Without demand certainty, supply projects won’t reach FID. The green steel sector is particularly critical here.

The Risk: The 10 GW target requires deploying 2.5 GW per year starting now. HAR1 delivered 125 MW total. The math doesn’t work unless allocation rounds scale 20-fold.

Theme 2: AI Data Centres Won the Land Grab

If hydrogen defined 2025’s losses, AI data centres defined its wins. Hyperscale facilities outbid hydrogen plants, green steel projects, and renewable energy infrastructure for prime industrial sites. The economics are brutal: data centres deliver premium rents, long-term strategic value, and immediate private investment.

Teesside’s rumored £100 billion Google-backed AI campus displaced BP’s hydrogen infrastructure through rent arithmetic. A hyperscale data centre requires gigawatt-scale power with 99.999% uptime. When grid connections take 10-15 years, operators look for alternatives. Enter the gas network—not for heating, but as backup power infrastructure. This dynamic is explored in detail in our UK gas grid strategy analysis.

The irony cuts deep: the displaced hydrogen plant would have produced low-carbon energy for heavy industry. Its replacement increases electricity demand, potentially undermining decarbonization targets. Welcome to 2025, where the path of least resistance beats the path of greatest climate impact.

2026 UK Energy Priorities – Data Centre Integration:

  • Strategic Spatial Energy Plan Implementation: NESO’s spatial planning must guide industrial siting decisions, ensuring data centres locate where grid capacity exists.
  • Grid Connection Queue Reform: Reform must prioritize projects aligned with Clean Power 2030 and industrial strategy, not just those with deepest pockets.
  • Data Centre Energy Efficiency Standards: Mandate best-in-class efficiency, waste heat recovery, and renewable energy procurement.
  • Gas Network Strategy Clarity: The 2026 gas grid strategy must address whether data centre backup power is temporary transition or permanent dependency.

Theme 3: UK Policy Paralysis Cost Billions

British energy and innovation policy spent 2025 trapped in “The Prisoner’s Dilemma”—where rational individual decisions by network operators produce collectively irrational outcomes costing £2-3 billion annually.

The UK gas grid epitomizes the dysfunction. Government simultaneously signals gas phase-out (boiler ban by 2035) while promising “our gas network will always be part of our energy system.” Network operators respond by investing billions in hydrogen blending infrastructure—hedging both scenarios but maximizing consumer costs.

Denmark committed to gas phase-out by 2030 with clear compensation mechanisms. Germany approved an €18.9 billion hydrogen core network with government-backed risk sharing. The Netherlands coordinates gas and electricity TSOs through joint planning. The UK? Endless consultations, contradictory statements, and mounting costs.

Innovation policy showed similar symptoms. The UK slipped from #2 (2015) to #6 (2025) on WIPO’s Global Innovation Index. As explored in our UK Innovation Is Misfiring analysis, the ranking drop is a symptom. The disease is structural: decision-makers without technical expertise, incentives rewarding papers over plants, chronic underinvestment in foundational STEM, and procurement dysfunction.

2026 UK Energy Priorities – Policy Reform:

  • 2026 Heating Strategy Decision: End the gas grid limbo. Either commit to phase-out with compensation OR commit to hydrogen conversion with demand anchor confirmation. Continued indecision costs £2-3 billion per year.
  • HAR3 Launch by Year-End: Maintain hydrogen deployment momentum toward 10 GW target.
  • UKRI R&D Missions Implementation: £38.6 billion 2025-26 UKRI budget must fund first-of-a-kind deployment with customer offtake—not just laboratory research. This mirrors the historical pattern of government funding transformative technologies.
  • Innovation Procurement Reform: Enforce 30-day payment terms. Embed technical operators in major programmes. Treat semiconductors, chemicals, and PNT as strategic infrastructure.

Theme 4: Grid Curtailment—The £1.5 Billion Wake-Up Call

Wind curtailment costs hit £1.5 billion in 2025—up from £1.23 billion in 2024 and £282 million in 2020. Without intervention, projections suggest £8 billion annually by 2030. As detailed in our comprehensive curtailment analysis, the core problem is simple: Scotland’s wind generation exploded faster than transmission capacity to England.

The B6 boundary—the transmission interface between Scotland and England—comprises just two main AC lines plus one HVDC link. When full, Scottish wind must be curtailed (with compensation payments) while gas plants south of the boundary are dispatched (with generation payments). Consumers pay both sides of the transaction through bill levies.

The fastest solution exists but isn’t being used: battery storage. Imperial College research suggests medium-duration storage could save £500 million to £3.5 billion annually. Yet NESO “constraint skips” batteries 90% of the time during constrained periods, choosing more expensive alternatives.

2026 UK Energy Priorities – Grid Optimization:

  • NESO Battery Dispatch Reform: Mandate batteries receive dispatch priority during constraints when they’re the least-cost option. Could deliver £600-800 million annual savings immediately.
  • EGL1/EGL2 Emergency Delivery Focus: Eastern Green Links 1 and 2 are already 16 months late. Each year of delay costs £3.6 billion in curtailment.
  • Demand Flexibility Acceleration: Scale from 24 GW today to 51-66 GW by 2030. Deploy V2G infrastructure targeting 5 GW peak capability.
  • Strategic Hydrogen Deployment: Pair electrolysers with offshore wind targeting 40-50% utilisation. Deploy 2-3 GW behind-the-meter capacity.

Theme 5: Technology Worked; Infrastructure and Policy Lagged

One of 2025’s genuine stories was technologies graduating from laboratory to commercial reality—then hitting deployment barriers that had nothing to do with technical viability.

Hydrogen Internal Combustion Engines (H2ICE): JCB secured EU type approval. Cummins ramped X15H engine production. MAN brought 200 hTGX trucks to market. As covered in our Ultimate H2ICE Guide, optimized engines now exceed 50% brake thermal efficiency, rival diesel on fuel economy, and deliver near-zero tailpipe NOx and PM. Yet deployment depends on hydrogen supply reaching €2-2.50/kg, AFIR corridor stations scaling to 500+ public hubs by 2030, and regulatory alignment crediting lifecycle emissions.

Green Steel: Sweden’s SSAB leads commercially. Germany’s Salzgitter and Thyssenkrupp follow with hydrogen-based DRI projects. The EU’s Carbon Border Adjustment Mechanism (CBAM) became operational, reshaping global steel trade around embedded emissions. As explored in our Green Steel and CBAM analysis, market research projects $129 billion to $1.3 trillion by 2030-35. The UK? Still consulting.

Battery Storage: Grid-scale batteries moved rapidly down cost curves. The UK targets 27 GW BESS capacity by 2030. The technology is proven, economics compelling, yet operational rules underuse existing capacity.

2026 UK Energy Priorities – Deployment Acceleration:

  • H2ICE Infrastructure Deployment: Focus AFIR station deployment on commercial vehicle corridors. Coordinate with hydrogen production allocation to ensure supply availability matches vehicle deployment.
  • Green Steel Support Package: Launch UK equivalent of Germany’s industrial cluster support. Provide hydrogen supply contracts at competitive €2-3/kg pricing. Align CBAM compliance systems.
  • Battery Connection Fast-Track: Prioritize strategically located battery storage in connection queue. Focus on constraint boundaries (B6, East Anglia) where curtailment reduction value is highest.
  • Zero-Emission HGV Demonstration Continuation: Government committed funding through UKRI for ZE-HGV demonstrations. Extend beyond March 2026 to support commercial transition.

Theme 6: Decarbonization Became Geopolitics

2025 was the year energy transition stopped being primarily a climate story and became explicitly a strategic competition. Three developments crystallized the shift:

China’s Rare Earths Export Controls: Controls on gallium, germanium, and specific rare earth elements immediately impacted semiconductor, defense, and renewable energy supply chains. China controls ~70% of global mining and over 85% of processing capacity. The West’s response: accelerate domestic mining, build processing capacity outside China, invest in recycling infrastructure, and fund rare-earth-free motor designs.

EU CBAM Operational: The Carbon Border Adjustment Mechanism moved from reporting phase to reshaping global steel, cement, and aluminum trade. European green steel projects secured offtake contracts based on CBAM-driven price premiums. Non-EU producers face tariffs unless decarbonizing.

IMO Shipping Delay: The International Maritime Organization’s failure to agree meaningful carbon pricing exposed the politics-versus-physics tension. As covered in our IMO Shipping Decarbonisation Delay analysis, the result: EU and others proceed unilaterally, fragmenting global maritime regulation.


Ten Critical 2026 UK Energy Priorities – Decision Points

Looking ahead, 2026 will be defined by decisions either made or deferred. These ten priorities determine whether the UK leads or follows:

  1. UK Gas Grid Heating Strategy Consultation: Determines £74bn+ infrastructure investment direction. Decision cannot be deferred again.
  2. HAR2 Contract Awards (Early 2026): First test of scaled hydrogen allocation. Seven times HAR1’s capacity.
  3. EGL1 Delivery Checkpoint: Already 16 months late. Each additional year costs £3.6bn in curtailment.
  4. Clean Power 2030 Progress Review: 95%+ low-carbon target requires 5 GW offshore wind deployment per year versus 1 GW historical average.
  5. UKRI R&D Missions Implementation: £8bn government priority allocation must link to first-of-a-kind deployment, not just research.
  6. NESO Battery Dispatch Reform: Operational changes can deliver £600m+ annual savings immediately.
  7. First Regional H2 Transport/Storage Network FID: £500m+ commitment for networks operational by 2031.
  8. CBAM Transition to Tariffs: Reporting phase ends; financial penalties begin. UK-EU alignment critical.
  9. Hydrogen-to-Power Business Model Launch: De-risks investment in hydrogen-fired power generation.
  10. Innovation Procurement Reform: 30-day payment enforcement, FOAK deployment support, technical judgment embedding.

What 2025 Taught Us About 2026

If there’s a through-line in 2025, it’s this: the energy transition stopped being about technology and started being about economics, policy execution, and strategic coordination.

Hydrogen matured—projects with paying customers advanced, those chasing subsidies failed. AI data centres reshaped industrial land economics. UK policy remained trapped in strategic limbo costing billions annually. Grid curtailment hit £1.5bn while proven battery solutions remained underused. Technologies graduated to commercial readiness, then hit infrastructure and policy barriers. Decarbonization became geopolitics through CBAM, rare earths, and regulatory fragmentation.

The lesson: technology is the easy part. Policy coherence, infrastructure deployment, anchor customer commitments, and regulatory frameworks determine success. In 2025, the winners solved those hard problems. The losers assumed technology alone was enough.

2026 will reveal whether the UK learned the lesson. Denmark committed to gas phase-out with certainty. Germany approved €18.9bn hydrogen networks with risk-sharing. Sweden commercialized green steel. The EU made CBAM operational. China secured rare earths dominance. The UK consulted.

The 2026 UK energy priorities laid out above cannot be deferred. Clean Power 2030 requires 5 GW annual offshore wind deployment starting now. The 10 GW hydrogen target requires 2.5 GW allocation per year. Grid curtailment costs compound toward £8bn without immediate battery dispatch reform and EGL delivery. Innovation ranking decline continues without structural reform linking funding to commercialization.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

2025 Review: 2026 UK Energy Priorities – What Must Happen Now

2025 was the year the energy transition stopped being about technology potential and started being about economic reality. Hydrogen projects with paying customers advanced; those chasing subsidies failed. AI data centres displaced industrial decarbonization. Policy paralysis cost billions. Here’s what happened, why it matters, and what 2026 UK energy priorities must address if Britain is serious about Clean Power 2030, hydrogen deployment, and innovation leadership.


Theme 1: Hydrogen Grew Up—and Not Everyone Survived

The defining hydrogen story of 2025 wasn’t about technology breakthroughs—it was about business model Darwinism. Projects with anchor customers, offtake contracts, and cashflow visibility advanced. Projects built on subsidy hopes and press releases died.

BP’s withdrawal from H2Teesside epitomized the shift. The public narrative blamed an “AI mega-campus,” but the real killer was prosaic: Sabic closed its Olefins 6 cracker, eliminating the £2 billion blue hydrogen project’s anchor customer. Fortescue scrapped two projects. Headlines proclaimed another “hydrogen bubble” burst.

But this wasn’t hydrogen’s death—it was its maturation. The froth burned off. What remains is leaner, more disciplined, and focused on applications that justify infrastructure investment: zero-carbon steelmaking, seasonal renewable storage, and long-haul heavy transport where electrons can’t compete. For detailed analysis of these use cases, see our hydrogen versus battery-electric comparison through 2030.

Meanwhile, green hydrogen projects advanced in Namibia, Saudi Arabia’s Yanbu, and the Gulf—not because economics are perfect today, but because first-movers are building supply chains that will make them perfect tomorrow. Hyphen’s Namibian plant entered FEED. NEOM’s $6.5 billion Air Products offtake sparked shareholder revolt, yet construction continues.

2026 UK Energy Priorities – Hydrogen Deployment:

  • HAR2 Contract Awards (Early 2026): The UK’s Hydrogen Allocation Round 2 targets 875 MW—seven times HAR1’s 125 MW. This is the first real test of whether government can scale hydrogen support beyond demonstration. For detailed policy context, see our UK Hydrogen Policy 2025 analysis.
  • First Regional H2 Transport/Storage Network FID: Government committed £500m+ for regional hydrogen networks operational by 2031. Without transport infrastructure, production capacity is stranded.
  • Hydrogen-to-Power Business Model Launch: Hydrogen-fired power generation needs de-risked investment for Clean Power 2030’s 40-50 GW dispatchable flexibility requirement.
  • Offtake Contract Clarity: Industrial sectors (steel, ammonia, chemicals) must commit to hydrogen purchase agreements. Without demand certainty, supply projects won’t reach FID. The green steel sector is particularly critical here.

The Risk: The 10 GW target requires deploying 2.5 GW per year starting now. HAR1 delivered 125 MW total. The math doesn’t work unless allocation rounds scale 20-fold.

Theme 2: AI Data Centres Won the Land Grab

If hydrogen defined 2025’s losses, AI data centres defined its wins. Hyperscale facilities outbid hydrogen plants, green steel projects, and renewable energy infrastructure for prime industrial sites. The economics are brutal: data centres deliver premium rents, long-term strategic value, and immediate private investment.

Teesside’s rumored £100 billion Google-backed AI campus displaced BP’s hydrogen infrastructure through rent arithmetic. A hyperscale data centre requires gigawatt-scale power with 99.999% uptime. When grid connections take 10-15 years, operators look for alternatives. Enter the gas network—not for heating, but as backup power infrastructure. This dynamic is explored in detail in our UK gas grid strategy analysis.

The irony cuts deep: the displaced hydrogen plant would have produced low-carbon energy for heavy industry. Its replacement increases electricity demand, potentially undermining decarbonization targets. Welcome to 2025, where the path of least resistance beats the path of greatest climate impact.

2026 UK Energy Priorities – Data Centre Integration:

  • Strategic Spatial Energy Plan Implementation: NESO’s spatial planning must guide industrial siting decisions, ensuring data centres locate where grid capacity exists.
  • Grid Connection Queue Reform: Reform must prioritize projects aligned with Clean Power 2030 and industrial strategy, not just those with deepest pockets.
  • Data Centre Energy Efficiency Standards: Mandate best-in-class efficiency, waste heat recovery, and renewable energy procurement.
  • Gas Network Strategy Clarity: The 2026 gas grid strategy must address whether data centre backup power is temporary transition or permanent dependency.

Theme 3: UK Policy Paralysis Cost Billions

British energy and innovation policy spent 2025 trapped in “The Prisoner’s Dilemma”—where rational individual decisions by network operators produce collectively irrational outcomes costing £2-3 billion annually.

The UK gas grid epitomizes the dysfunction. Government simultaneously signals gas phase-out (boiler ban by 2035) while promising “our gas network will always be part of our energy system.” Network operators respond by investing billions in hydrogen blending infrastructure—hedging both scenarios but maximizing consumer costs.

Denmark committed to gas phase-out by 2030 with clear compensation mechanisms. Germany approved an €18.9 billion hydrogen core network with government-backed risk sharing. The Netherlands coordinates gas and electricity TSOs through joint planning. The UK? Endless consultations, contradictory statements, and mounting costs.

Innovation policy showed similar symptoms. The UK slipped from #2 (2015) to #6 (2025) on WIPO’s Global Innovation Index. As explored in our UK Innovation Is Misfiring analysis, the ranking drop is a symptom. The disease is structural: decision-makers without technical expertise, incentives rewarding papers over plants, chronic underinvestment in foundational STEM, and procurement dysfunction.

2026 UK Energy Priorities – Policy Reform:

  • 2026 Heating Strategy Decision: End the gas grid limbo. Either commit to phase-out with compensation OR commit to hydrogen conversion with demand anchor confirmation. Continued indecision costs £2-3 billion per year.
  • HAR3 Launch by Year-End: Maintain hydrogen deployment momentum toward 10 GW target.
  • UKRI R&D Missions Implementation: £38.6 billion 2025-26 UKRI budget must fund first-of-a-kind deployment with customer offtake—not just laboratory research. This mirrors the historical pattern of government funding transformative technologies.
  • Innovation Procurement Reform: Enforce 30-day payment terms. Embed technical operators in major programmes. Treat semiconductors, chemicals, and PNT as strategic infrastructure.

Theme 4: Grid Curtailment—The £1.5 Billion Wake-Up Call

Wind curtailment costs hit £1.5 billion in 2025—up from £1.23 billion in 2024 and £282 million in 2020. Without intervention, projections suggest £8 billion annually by 2030. As detailed in our UK wind curtailment costs and grid constraints, the core problem is simple: Scotland’s wind generation exploded faster than transmission capacity to England.

The B6 boundary—the transmission interface between Scotland and England—comprises just two main AC lines plus one HVDC link. When full, Scottish wind must be curtailed (with compensation payments) while gas plants south of the boundary are dispatched (with generation payments). Consumers pay both sides of the transaction through bill levies.

This is the structural inefficiency explored in UK wind curtailment costs and grid constraints, where system design, not technology, drives the outcome.

The fastest solution exists but isn’t being used: battery storage. Imperial College research suggests medium-duration storage could save £500 million to £3.5 billion annually. Yet NESO “constraint skips” batteries 90% of the time during constrained periods, choosing more expensive alternatives.

2026 UK Energy Priorities – Grid Optimization:

  • NESO Battery Dispatch Reform: Mandate batteries receive dispatch priority during constraints when they’re the least-cost option. Could deliver £600-800 million annual savings immediately.
  • EGL1/EGL2 Emergency Delivery Focus: Eastern Green Links 1 and 2 are already 16 months late. Each year of delay costs £3.6 billion in curtailment.
  • Demand Flexibility Acceleration: Scale from 24 GW today to 51-66 GW by 2030. Deploy V2G infrastructure targeting 5 GW peak capability.
  • Strategic Hydrogen Deployment: Pair electrolysers with offshore wind targeting 40-50% utilisation. Deploy 2-3 GW behind-the-meter capacity.

Theme 5: Technology Worked; Infrastructure and Policy Lagged

One of 2025’s genuine stories was technologies graduating from laboratory to commercial reality—then hitting deployment barriers that had nothing to do with technical viability.

Hydrogen Internal Combustion Engines (H2ICE): JCB secured EU type approval. Cummins ramped X15H engine production. MAN brought 200 hTGX trucks to market. As covered in our Ultimate H2ICE Guide, optimized engines now exceed 50% brake thermal efficiency, rival diesel on fuel economy, and deliver near-zero tailpipe NOx and PM. Yet deployment depends on hydrogen supply reaching €2-2.50/kg, AFIR corridor stations scaling to 500+ public hubs by 2030, and regulatory alignment crediting lifecycle emissions.

Green Steel: Sweden’s SSAB leads commercially. Germany’s Salzgitter and Thyssenkrupp follow with hydrogen-based DRI projects. The EU’s Carbon Border Adjustment Mechanism (CBAM) became operational, reshaping global steel trade around embedded emissions. As explored in our Green Steel and CBAM analysis, market research projects $129 billion to $1.3 trillion by 2030-35. The UK? Still consulting.

Battery Storage: Grid-scale batteries moved rapidly down cost curves. The UK targets 27 GW BESS capacity by 2030. The technology is proven, economics compelling, yet operational rules underuse existing capacity.

2026 UK Energy Priorities – Deployment Acceleration:

  • H2ICE Infrastructure Deployment: Focus AFIR station deployment on commercial vehicle corridors. Coordinate with hydrogen production allocation to ensure supply availability matches vehicle deployment.
  • Green Steel Support Package: Launch UK equivalent of Germany’s industrial cluster support. Provide hydrogen supply contracts at competitive €2-3/kg pricing. Align CBAM compliance systems.
  • Battery Connection Fast-Track: Prioritize strategically located battery storage in connection queue. Focus on constraint boundaries (B6, East Anglia) where curtailment reduction value is highest.
  • Zero-Emission HGV Demonstration Continuation: Government committed funding through UKRI for ZE-HGV demonstrations. Extend beyond March 2026 to support commercial transition.

Theme 6: Decarbonization Became Geopolitics

2025 was the year energy transition stopped being primarily a climate story and became explicitly a strategic competition. Three developments crystallized the shift:

China’s Rare Earths Export Controls: Controls on gallium, germanium, and specific rare earth elements immediately impacted semiconductor, defense, and renewable energy supply chains. China controls ~70% of global mining and over 85% of processing capacity. The West’s response: accelerate domestic mining, build processing capacity outside China, invest in recycling infrastructure, and fund rare-earth-free motor designs.

EU CBAM Operational: The Carbon Border Adjustment Mechanism moved from reporting phase to reshaping global steel, cement, and aluminum trade. European green steel projects secured offtake contracts based on CBAM-driven price premiums. Non-EU producers face tariffs unless decarbonizing.

IMO Shipping Delay: The International Maritime Organization’s failure to agree meaningful carbon pricing exposed the politics-versus-physics tension. As covered in our IMO Shipping Decarbonisation Delay analysis, the result: EU and others proceed unilaterally, fragmenting global maritime regulation.


Ten Critical 2026 UK Energy Priorities – Decision Points

Looking ahead, 2026 will be defined by decisions either made or deferred. These ten priorities determine whether the UK leads or follows:

  1. UK Gas Grid Heating Strategy Consultation: Determines £74bn+ infrastructure investment direction. Decision cannot be deferred again.
  2. HAR2 Contract Awards (Early 2026): First test of scaled hydrogen allocation. Seven times HAR1’s capacity.
  3. EGL1 Delivery Checkpoint: Already 16 months late. Each additional year costs £3.6bn in curtailment.
  4. Clean Power 2030 Progress Review: 95%+ low-carbon target requires 5 GW offshore wind deployment per year versus 1 GW historical average.
  5. UKRI R&D Missions Implementation: £8bn government priority allocation must link to first-of-a-kind deployment, not just research.
  6. NESO Battery Dispatch Reform: Operational changes can deliver £600m+ annual savings immediately.
  7. First Regional H2 Transport/Storage Network FID: £500m+ commitment for networks operational by 2031.
  8. CBAM Transition to Tariffs: Reporting phase ends; financial penalties begin. UK-EU alignment critical.
  9. Hydrogen-to-Power Business Model Launch: De-risks investment in hydrogen-fired power generation.
  10. Innovation Procurement Reform: 30-day payment enforcement, FOAK deployment support, technical judgment embedding.

What 2025 Taught Us About 2026

If there’s a through-line in 2025, it’s this: the energy transition stopped being about technology and started being about economics, policy execution, and strategic coordination.

Hydrogen matured—projects with paying customers advanced, those chasing subsidies failed. AI data centres reshaped industrial land economics. UK policy remained trapped in strategic limbo costing billions annually. Grid curtailment hit £1.5bn while proven battery solutions remained underused. Technologies graduated to commercial readiness, then hit infrastructure and policy barriers. Decarbonization became geopolitics through CBAM, rare earths, and regulatory fragmentation.

The lesson: technology is the easy part. Policy coherence, infrastructure deployment, anchor customer commitments, and regulatory frameworks determine success. In 2025, the winners solved those hard problems. The losers assumed technology alone was enough.

2026 will reveal whether the UK learned the lesson. Denmark committed to gas phase-out with certainty. Germany approved €18.9bn hydrogen networks with risk-sharing. Sweden commercialized green steel. The EU made CBAM operational. China secured rare earths dominance. The UK consulted.

The 2026 UK energy priorities laid out above cannot be deferred. Clean Power 2030 requires 5 GW annual offshore wind deployment starting now. The 10 GW hydrogen target requires 2.5 GW allocation per year. Grid curtailment costs compound toward £8bn without immediate battery dispatch reform and EGL delivery. Innovation ranking decline continues without structural reform linking funding to commercialization.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

2025 Review: 2026 UK Energy Priorities – What Must Happen Now

2025 was the year the energy transition stopped being about technology potential and started being about economic reality. Hydrogen projects with paying customers advanced; those chasing subsidies failed. AI data centres displaced industrial decarbonization. Policy paralysis cost billions. Here’s what happened, why it matters, and what 2026 UK energy priorities must address if Britain is serious about Clean Power 2030, hydrogen deployment, and innovation leadership.


Theme 1: Hydrogen Grew Up—and Not Everyone Survived

The defining hydrogen story of 2025 wasn’t about technology breakthroughs—it was about business model Darwinism. Projects with anchor customers, offtake contracts, and cashflow visibility advanced. Projects built on subsidy hopes and press releases died.

BP’s withdrawal from H2Teesside epitomized the shift. The public narrative blamed an “AI mega-campus,” but the real killer was prosaic: Sabic closed its Olefins 6 cracker, eliminating the £2 billion blue hydrogen project’s anchor customer. Fortescue scrapped two projects. Headlines proclaimed another “hydrogen bubble” burst.

But this wasn’t hydrogen’s death—it was its maturation. The froth burned off. What remains is leaner, more disciplined, and focused on applications that justify infrastructure investment: zero-carbon steelmaking, seasonal renewable storage, and long-haul heavy transport where electrons can’t compete. For detailed analysis of these use cases, see our hydrogen versus battery-electric comparison through 2030.

Meanwhile, green hydrogen projects advanced in Namibia, Saudi Arabia’s Yanbu, and the Gulf—not because economics are perfect today, but because first-movers are building supply chains that will make them perfect tomorrow. Hyphen’s Namibian plant entered FEED. NEOM’s $6.5 billion Air Products offtake sparked shareholder revolt, yet construction continues.

2026 UK Energy Priorities – Hydrogen Deployment:

  • HAR2 Contract Awards (Early 2026): The UK’s Hydrogen Allocation Round 2 targets 875 MW—seven times HAR1’s 125 MW. This is the first real test of whether government can scale hydrogen support beyond demonstration. For detailed policy context, see our UK Hydrogen Policy 2025 analysis.
  • First Regional H2 Transport/Storage Network FID: Government committed £500m+ for regional hydrogen networks operational by 2031. Without transport infrastructure, production capacity is stranded.
  • Hydrogen-to-Power Business Model Launch: Hydrogen-fired power generation needs de-risked investment for Clean Power 2030’s 40-50 GW dispatchable flexibility requirement.
  • Offtake Contract Clarity: Industrial sectors (steel, ammonia, chemicals) must commit to hydrogen purchase agreements. Without demand certainty, supply projects won’t reach FID. The green steel sector is particularly critical here.

The Risk: The 10 GW target requires deploying 2.5 GW per year starting now. HAR1 delivered 125 MW total. The math doesn’t work unless allocation rounds scale 20-fold.

Theme 2: AI Data Centres Won the Land Grab

If hydrogen defined 2025’s losses, AI data centres defined its wins. Hyperscale facilities outbid hydrogen plants, green steel projects, and renewable energy infrastructure for prime industrial sites. The economics are brutal: data centres deliver premium rents, long-term strategic value, and immediate private investment.

Teesside’s rumored £100 billion Google-backed AI campus displaced BP’s hydrogen infrastructure through rent arithmetic. A hyperscale data centre requires gigawatt-scale power with 99.999% uptime. When grid connections take 10-15 years, operators look for alternatives. Enter the gas network—not for heating, but as backup power infrastructure. This dynamic is explored in detail in our UK gas grid strategy analysis.

The irony cuts deep: the displaced hydrogen plant would have produced low-carbon energy for heavy industry. Its replacement increases electricity demand, potentially undermining decarbonization targets. Welcome to 2025, where the path of least resistance beats the path of greatest climate impact.

2026 UK Energy Priorities – Data Centre Integration:

  • Strategic Spatial Energy Plan Implementation: NESO’s spatial planning must guide industrial siting decisions, ensuring data centres locate where grid capacity exists.
  • Grid Connection Queue Reform: Reform must prioritize projects aligned with Clean Power 2030 and industrial strategy, not just those with deepest pockets.
  • Data Centre Energy Efficiency Standards: Mandate best-in-class efficiency, waste heat recovery, and renewable energy procurement.
  • Gas Network Strategy Clarity: The 2026 gas grid strategy must address whether data centre backup power is temporary transition or permanent dependency.

Theme 3: UK Policy Paralysis Cost Billions

British energy and innovation policy spent 2025 trapped in “The Prisoner’s Dilemma”—where rational individual decisions by network operators produce collectively irrational outcomes costing £2-3 billion annually.

The UK gas grid epitomizes the dysfunction. Government simultaneously signals gas phase-out (boiler ban by 2035) while promising “our gas network will always be part of our energy system.” Network operators respond by investing billions in hydrogen blending infrastructure—hedging both scenarios but maximizing consumer costs.

Denmark committed to gas phase-out by 2030 with clear compensation mechanisms. Germany approved an €18.9 billion hydrogen core network with government-backed risk sharing. The Netherlands coordinates gas and electricity TSOs through joint planning. The UK? Endless consultations, contradictory statements, and mounting costs.

Innovation policy showed similar symptoms. The UK slipped from #2 (2015) to #6 (2025) on WIPO’s Global Innovation Index. As explored in our UK Innovation Is Misfiring analysis, the ranking drop is a symptom. The disease is structural: decision-makers without technical expertise, incentives rewarding papers over plants, chronic underinvestment in foundational STEM, and procurement dysfunction.

2026 UK Energy Priorities – Policy Reform:

  • 2026 Heating Strategy Decision: End the gas grid limbo. Either commit to phase-out with compensation OR commit to hydrogen conversion with demand anchor confirmation. Continued indecision costs £2-3 billion per year.
  • HAR3 Launch by Year-End: Maintain hydrogen deployment momentum toward 10 GW target.
  • UKRI R&D Missions Implementation: £38.6 billion 2025-26 UKRI budget must fund first-of-a-kind deployment with customer offtake—not just laboratory research. This mirrors the historical pattern of government funding transformative technologies.
  • Innovation Procurement Reform: Enforce 30-day payment terms. Embed technical operators in major programmes. Treat semiconductors, chemicals, and PNT as strategic infrastructure.

Theme 4: Grid Curtailment—The £1.5 Billion Wake-Up Call

Wind curtailment costs hit £1.5 billion in 2025—up from £1.23 billion in 2024 and £282 million in 2020. Without intervention, projections suggest £8 billion annually by 2030. As detailed in our comprehensive curtailment analysis, the core problem is simple: Scotland’s wind generation exploded faster than transmission capacity to England.

The B6 boundary—the transmission interface between Scotland and England—comprises just two main AC lines plus one HVDC link. When full, Scottish wind must be curtailed (with compensation payments) while gas plants south of the boundary are dispatched (with generation payments). Consumers pay both sides of the transaction through bill levies.

The fastest solution exists but isn’t being used: battery storage. Imperial College research suggests medium-duration storage could save £500 million to £3.5 billion annually. Yet NESO “constraint skips” batteries 90% of the time during constrained periods, choosing more expensive alternatives.

2026 UK Energy Priorities – Grid Optimization:

  • NESO Battery Dispatch Reform: Mandate batteries receive dispatch priority during constraints when they’re the least-cost option. Could deliver £600-800 million annual savings immediately.
  • EGL1/EGL2 Emergency Delivery Focus: Eastern Green Links 1 and 2 are already 16 months late. Each year of delay costs £3.6 billion in curtailment.
  • Demand Flexibility Acceleration: Scale from 24 GW today to 51-66 GW by 2030. Deploy V2G infrastructure targeting 5 GW peak capability.
  • Strategic Hydrogen Deployment: Pair electrolysers with offshore wind targeting 40-50% utilisation. Deploy 2-3 GW behind-the-meter capacity.

Theme 5: Technology Worked; Infrastructure and Policy Lagged

One of 2025’s genuine stories was technologies graduating from laboratory to commercial reality—then hitting deployment barriers that had nothing to do with technical viability.

Hydrogen Internal Combustion Engines (H2ICE): JCB secured EU type approval. Cummins ramped X15H engine production. MAN brought 200 hTGX trucks to market. As covered in our Ultimate H2ICE Guide, optimized engines now exceed 50% brake thermal efficiency, rival diesel on fuel economy, and deliver near-zero tailpipe NOx and PM. Yet deployment depends on hydrogen supply reaching €2-2.50/kg, AFIR corridor stations scaling to 500+ public hubs by 2030, and regulatory alignment crediting lifecycle emissions.

Green Steel: Sweden’s SSAB leads commercially. Germany’s Salzgitter and Thyssenkrupp follow with hydrogen-based DRI projects. The EU’s Carbon Border Adjustment Mechanism (CBAM) became operational, reshaping global steel trade around embedded emissions. As explored in our Green Steel and CBAM analysis, market research projects $129 billion to $1.3 trillion by 2030-35. The UK? Still consulting.

Battery Storage: Grid-scale batteries moved rapidly down cost curves. The UK targets 27 GW BESS capacity by 2030. The technology is proven, economics compelling, yet operational rules underuse existing capacity.

2026 UK Energy Priorities – Deployment Acceleration:

  • H2ICE Infrastructure Deployment: Focus AFIR station deployment on commercial vehicle corridors. Coordinate with hydrogen production allocation to ensure supply availability matches vehicle deployment.
  • Green Steel Support Package: Launch UK equivalent of Germany’s industrial cluster support. Provide hydrogen supply contracts at competitive €2-3/kg pricing. Align CBAM compliance systems.
  • Battery Connection Fast-Track: Prioritize strategically located battery storage in connection queue. Focus on constraint boundaries (B6, East Anglia) where curtailment reduction value is highest.
  • Zero-Emission HGV Demonstration Continuation: Government committed funding through UKRI for ZE-HGV demonstrations. Extend beyond March 2026 to support commercial transition.

Theme 6: Decarbonization Became Geopolitics

2025 was the year energy transition stopped being primarily a climate story and became explicitly a strategic competition. Three developments crystallized the shift:

China’s Rare Earths Export Controls: Controls on gallium, germanium, and specific rare earth elements immediately impacted semiconductor, defense, and renewable energy supply chains. China controls ~70% of global mining and over 85% of processing capacity. The West’s response: accelerate domestic mining, build processing capacity outside China, invest in recycling infrastructure, and fund rare-earth-free motor designs.

EU CBAM Operational: The Carbon Border Adjustment Mechanism moved from reporting phase to reshaping global steel, cement, and aluminum trade. European green steel projects secured offtake contracts based on CBAM-driven price premiums. Non-EU producers face tariffs unless decarbonizing.

IMO Shipping Delay: The International Maritime Organization’s failure to agree meaningful carbon pricing exposed the politics-versus-physics tension. As covered in our IMO Shipping Decarbonisation Delay analysis, the result: EU and others proceed unilaterally, fragmenting global maritime regulation.


Ten Critical 2026 UK Energy Priorities – Decision Points

Looking ahead, 2026 will be defined by decisions either made or deferred. These ten priorities determine whether the UK leads or follows:

  1. UK Gas Grid Heating Strategy Consultation: Determines £74bn+ infrastructure investment direction. Decision cannot be deferred again.
  2. HAR2 Contract Awards (Early 2026): First test of scaled hydrogen allocation. Seven times HAR1’s capacity.
  3. EGL1 Delivery Checkpoint: Already 16 months late. Each additional year costs £3.6bn in curtailment.
  4. Clean Power 2030 Progress Review: 95%+ low-carbon target requires 5 GW offshore wind deployment per year versus 1 GW historical average.
  5. UKRI R&D Missions Implementation: £8bn government priority allocation must link to first-of-a-kind deployment, not just research.
  6. NESO Battery Dispatch Reform: Operational changes can deliver £600m+ annual savings immediately.
  7. First Regional H2 Transport/Storage Network FID: £500m+ commitment for networks operational by 2031.
  8. CBAM Transition to Tariffs: Reporting phase ends; financial penalties begin. UK-EU alignment critical.
  9. Hydrogen-to-Power Business Model Launch: De-risks investment in hydrogen-fired power generation.
  10. Innovation Procurement Reform: 30-day payment enforcement, FOAK deployment support, technical judgment embedding.

What 2025 Taught Us About 2026

If there’s a through-line in 2025, it’s this: the energy transition stopped being about technology and started being about economics, policy execution, and strategic coordination.

Hydrogen matured—projects with paying customers advanced, those chasing subsidies failed. AI data centres reshaped industrial land economics. UK policy remained trapped in strategic limbo costing billions annually. Grid curtailment hit £1.5bn while proven battery solutions remained underused. Technologies graduated to commercial readiness, then hit infrastructure and policy barriers. Decarbonization became geopolitics through CBAM, rare earths, and regulatory fragmentation.

The lesson: technology is the easy part. Policy coherence, infrastructure deployment, anchor customer commitments, and regulatory frameworks determine success. In 2025, the winners solved those hard problems. The losers assumed technology alone was enough.

2026 will reveal whether the UK learned the lesson. Denmark committed to gas phase-out with certainty. Germany approved €18.9bn hydrogen networks with risk-sharing. Sweden commercialized green steel. The EU made CBAM operational. China secured rare earths dominance. The UK consulted.

The 2026 UK energy priorities laid out above cannot be deferred. Clean Power 2030 requires 5 GW annual offshore wind deployment starting now. The 10 GW hydrogen target requires 2.5 GW allocation per year. Grid curtailment costs compound toward £8bn without immediate battery dispatch reform and EGL delivery. Innovation ranking decline continues without structural reform linking funding to commercialization.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

2025 Review: 2026 UK Energy Priorities – What Must Happen Now

2025 was the year the energy transition stopped being about technology potential and started being about economic reality. Hydrogen projects with paying customers advanced; those chasing subsidies failed. AI data centres displaced industrial decarbonization. Policy paralysis cost billions. Here’s what happened, why it matters, and what 2026 UK energy priorities must address if Britain is serious about Clean Power 2030, hydrogen deployment, and innovation leadership.


Theme 1: Hydrogen Grew Up—and Not Everyone Survived

The defining hydrogen story of 2025 wasn’t about technology breakthroughs—it was about business model Darwinism. Projects with anchor customers, offtake contracts, and cashflow visibility advanced. Projects built on subsidy hopes and press releases died.

BP’s withdrawal from H2Teesside epitomized the shift. The public narrative blamed an “AI mega-campus,” but the real killer was prosaic: Sabic closed its Olefins 6 cracker, eliminating the £2 billion blue hydrogen project’s anchor customer. Fortescue scrapped two projects. Headlines proclaimed another “hydrogen bubble” burst.

But this wasn’t hydrogen’s death—it was its maturation. The froth burned off. What remains is leaner, more disciplined, and focused on applications that justify infrastructure investment: zero-carbon steelmaking, seasonal renewable storage, and long-haul heavy transport where electrons can’t compete. For detailed analysis of these use cases, see our hydrogen versus battery-electric comparison through 2030.

Meanwhile, green hydrogen projects advanced in Namibia, Saudi Arabia’s Yanbu, and the Gulf—not because economics are perfect today, but because first-movers are building supply chains that will make them perfect tomorrow. Hyphen’s Namibian plant entered FEED. NEOM’s $6.5 billion Air Products offtake sparked shareholder revolt, yet construction continues.

2026 UK Energy Priorities – Hydrogen Deployment:

  • HAR2 Contract Awards (Early 2026): The UK’s Hydrogen Allocation Round 2 targets 875 MW—seven times HAR1’s 125 MW. This is the first real test of whether government can scale hydrogen support beyond demonstration. For detailed policy context, see our UK Hydrogen Policy 2025 analysis.
  • First Regional H2 Transport/Storage Network FID: Government committed £500m+ for regional hydrogen networks operational by 2031. Without transport infrastructure, production capacity is stranded.
  • Hydrogen-to-Power Business Model Launch: Hydrogen-fired power generation needs de-risked investment for Clean Power 2030’s 40-50 GW dispatchable flexibility requirement.
  • Offtake Contract Clarity: Industrial sectors (steel, ammonia, chemicals) must commit to hydrogen purchase agreements. Without demand certainty, supply projects won’t reach FID. The green steel sector is particularly critical here.

The Risk: The 10 GW target requires deploying 2.5 GW per year starting now. HAR1 delivered 125 MW total. The math doesn’t work unless allocation rounds scale 20-fold.

Theme 2: AI Data Centres Won the Land Grab

If hydrogen defined 2025’s losses, AI data centres defined its wins. Hyperscale facilities outbid hydrogen plants, green steel projects, and renewable energy infrastructure for prime industrial sites. The economics are brutal: data centres deliver premium rents, long-term strategic value, and immediate private investment.

Teesside’s rumored £100 billion Google-backed AI campus displaced BP’s hydrogen infrastructure through rent arithmetic. A hyperscale data centre requires gigawatt-scale power with 99.999% uptime. When grid connections take 10-15 years, operators look for alternatives. Enter the gas network—not for heating, but as backup power infrastructure. This dynamic is explored in detail in our UK gas grid strategy analysis.

The irony cuts deep: the displaced hydrogen plant would have produced low-carbon energy for heavy industry. Its replacement increases electricity demand, potentially undermining decarbonization targets. Welcome to 2025, where the path of least resistance beats the path of greatest climate impact.

2026 UK Energy Priorities – Data Centre Integration:

  • Strategic Spatial Energy Plan Implementation: NESO’s spatial planning must guide industrial siting decisions, ensuring data centres locate where grid capacity exists.
  • Grid Connection Queue Reform: Reform must prioritize projects aligned with Clean Power 2030 and industrial strategy, not just those with deepest pockets.
  • Data Centre Energy Efficiency Standards: Mandate best-in-class efficiency, waste heat recovery, and renewable energy procurement.
  • Gas Network Strategy Clarity: The 2026 gas grid strategy must address whether data centre backup power is temporary transition or permanent dependency.

Theme 3: UK Policy Paralysis Cost Billions

British energy and innovation policy spent 2025 trapped in “The Prisoner’s Dilemma”—where rational individual decisions by network operators produce collectively irrational outcomes costing £2-3 billion annually.

The UK gas grid epitomizes the dysfunction. Government simultaneously signals gas phase-out (boiler ban by 2035) while promising “our gas network will always be part of our energy system.” Network operators respond by investing billions in hydrogen blending infrastructure—hedging both scenarios but maximizing consumer costs.

Denmark committed to gas phase-out by 2030 with clear compensation mechanisms. Germany approved an €18.9 billion hydrogen core network with government-backed risk sharing. The Netherlands coordinates gas and electricity TSOs through joint planning. The UK? Endless consultations, contradictory statements, and mounting costs.

Innovation policy showed similar symptoms. The UK slipped from #2 (2015) to #6 (2025) on WIPO’s Global Innovation Index. As explored in our UK Innovation Is Misfiring analysis, the ranking drop is a symptom. The disease is structural: decision-makers without technical expertise, incentives rewarding papers over plants, chronic underinvestment in foundational STEM, and procurement dysfunction.

2026 UK Energy Priorities – Policy Reform:

  • 2026 Heating Strategy Decision: End the gas grid limbo. Either commit to phase-out with compensation OR commit to hydrogen conversion with demand anchor confirmation. Continued indecision costs £2-3 billion per year.
  • HAR3 Launch by Year-End: Maintain hydrogen deployment momentum toward 10 GW target.
  • UKRI R&D Missions Implementation: £38.6 billion 2025-26 UKRI budget must fund first-of-a-kind deployment with customer offtake—not just laboratory research. This mirrors the historical pattern of government funding transformative technologies.
  • Innovation Procurement Reform: Enforce 30-day payment terms. Embed technical operators in major programmes. Treat semiconductors, chemicals, and PNT as strategic infrastructure.

Theme 4: Grid Curtailment—The £1.5 Billion Wake-Up Call

Wind curtailment costs hit £1.5 billion in 2025—up from £1.23 billion in 2024 and £282 million in 2020. Without intervention, projections suggest £8 billion annually by 2030. As detailed in our comprehensive curtailment analysis, the core problem is simple: Scotland’s wind generation exploded faster than transmission capacity to England.

The B6 boundary—the transmission interface between Scotland and England—comprises just two main AC lines plus one HVDC link. When full, Scottish wind must be curtailed (with compensation payments) while gas plants south of the boundary are dispatched (with generation payments). Consumers pay both sides of the transaction through bill levies.

The fastest solution exists but isn’t being used: battery storage. Imperial College research suggests medium-duration storage could save £500 million to £3.5 billion annually. Yet NESO “constraint skips” batteries 90% of the time during constrained periods, choosing more expensive alternatives.

2026 UK Energy Priorities – Grid Optimization:

  • NESO Battery Dispatch Reform: Mandate batteries receive dispatch priority during constraints when they’re the least-cost option. Could deliver £600-800 million annual savings immediately.
  • EGL1/EGL2 Emergency Delivery Focus: Eastern Green Links 1 and 2 are already 16 months late. Each year of delay costs £3.6 billion in curtailment.
  • Demand Flexibility Acceleration: Scale from 24 GW today to 51-66 GW by 2030. Deploy V2G infrastructure targeting 5 GW peak capability.
  • Strategic Hydrogen Deployment: Pair electrolysers with offshore wind targeting 40-50% utilisation. Deploy 2-3 GW behind-the-meter capacity.

Theme 5: Technology Worked; Infrastructure and Policy Lagged

One of 2025’s genuine stories was technologies graduating from laboratory to commercial reality—then hitting deployment barriers that had nothing to do with technical viability.

Hydrogen Internal Combustion Engines (H2ICE): JCB secured EU type approval. Cummins ramped X15H engine production. MAN brought 200 hTGX trucks to market. As covered in our Ultimate H2ICE Guide, optimized engines now exceed 50% brake thermal efficiency, rival diesel on fuel economy, and deliver near-zero tailpipe NOx and PM. Yet deployment depends on hydrogen supply reaching €2-2.50/kg, AFIR corridor stations scaling to 500+ public hubs by 2030, and regulatory alignment crediting lifecycle emissions.

Green Steel: Sweden’s SSAB leads commercially. Germany’s Salzgitter and Thyssenkrupp follow with hydrogen-based DRI projects. The EU’s Carbon Border Adjustment Mechanism (CBAM) became operational, reshaping global steel trade around embedded emissions. As explored in our Green Steel and CBAM analysis, market research projects $129 billion to $1.3 trillion by 2030-35. The UK? Still consulting.

Battery Storage: Grid-scale batteries moved rapidly down cost curves. The UK targets 27 GW BESS capacity by 2030. The technology is proven, economics compelling, yet operational rules underuse existing capacity.

2026 UK Energy Priorities – Deployment Acceleration:

  • H2ICE Infrastructure Deployment: Focus AFIR station deployment on commercial vehicle corridors. Coordinate with hydrogen production allocation to ensure supply availability matches vehicle deployment.
  • Green Steel Support Package: Launch UK equivalent of Germany’s industrial cluster support. Provide hydrogen supply contracts at competitive €2-3/kg pricing. Align CBAM compliance systems.
  • Battery Connection Fast-Track: Prioritize strategically located battery storage in connection queue. Focus on constraint boundaries (B6, East Anglia) where curtailment reduction value is highest.
  • Zero-Emission HGV Demonstration Continuation: Government committed funding through UKRI for ZE-HGV demonstrations. Extend beyond March 2026 to support commercial transition.

Theme 6: Decarbonization Became Geopolitics

2025 was the year energy transition stopped being primarily a climate story and became explicitly a strategic competition. Three developments crystallized the shift:

China’s Rare Earths Export Controls: Controls on gallium, germanium, and specific rare earth elements immediately impacted semiconductor, defense, and renewable energy supply chains. China controls ~70% of global mining and over 85% of processing capacity. The West’s response: accelerate domestic mining, build processing capacity outside China, invest in recycling infrastructure, and fund rare-earth-free motor designs.

EU CBAM Operational: The Carbon Border Adjustment Mechanism moved from reporting phase to reshaping global steel, cement, and aluminum trade. European green steel projects secured offtake contracts based on CBAM-driven price premiums. Non-EU producers face tariffs unless decarbonizing.

IMO Shipping Delay: The International Maritime Organization’s failure to agree meaningful carbon pricing exposed the politics-versus-physics tension. As covered in our IMO Shipping Decarbonisation Delay analysis, the result: EU and others proceed unilaterally, fragmenting global maritime regulation.


Ten Critical 2026 UK Energy Priorities – Decision Points

Looking ahead, 2026 will be defined by decisions either made or deferred. These ten priorities determine whether the UK leads or follows:

  1. UK Gas Grid Heating Strategy Consultation: Determines £74bn+ infrastructure investment direction. Decision cannot be deferred again.
  2. HAR2 Contract Awards (Early 2026): First test of scaled hydrogen allocation. Seven times HAR1’s capacity.
  3. EGL1 Delivery Checkpoint: Already 16 months late. Each additional year costs £3.6bn in curtailment.
  4. Clean Power 2030 Progress Review: 95%+ low-carbon target requires 5 GW offshore wind deployment per year versus 1 GW historical average.
  5. UKRI R&D Missions Implementation: £8bn government priority allocation must link to first-of-a-kind deployment, not just research.
  6. NESO Battery Dispatch Reform: Operational changes can deliver £600m+ annual savings immediately.
  7. First Regional H2 Transport/Storage Network FID: £500m+ commitment for networks operational by 2031.
  8. CBAM Transition to Tariffs: Reporting phase ends; financial penalties begin. UK-EU alignment critical.
  9. Hydrogen-to-Power Business Model Launch: De-risks investment in hydrogen-fired power generation.
  10. Innovation Procurement Reform: 30-day payment enforcement, FOAK deployment support, technical judgment embedding.

What 2025 Taught Us About 2026

If there’s a through-line in 2025, it’s this: the energy transition stopped being about technology and started being about economics, policy execution, and strategic coordination.

Hydrogen matured—projects with paying customers advanced, those chasing subsidies failed. AI data centres reshaped industrial land economics. UK policy remained trapped in strategic limbo costing billions annually. Grid curtailment hit £1.5bn while proven battery solutions remained underused. Technologies graduated to commercial readiness, then hit infrastructure and policy barriers. Decarbonization became geopolitics through CBAM, rare earths, and regulatory fragmentation.

The lesson: technology is the easy part. Policy coherence, infrastructure deployment, anchor customer commitments, and regulatory frameworks determine success. In 2025, the winners solved those hard problems. The losers assumed technology alone was enough.

2026 will reveal whether the UK learned the lesson. Denmark committed to gas phase-out with certainty. Germany approved €18.9bn hydrogen networks with risk-sharing. Sweden commercialized green steel. The EU made CBAM operational. China secured rare earths dominance. The UK consulted.

The 2026 UK energy priorities laid out above cannot be deferred. Clean Power 2030 requires 5 GW annual offshore wind deployment starting now. The 10 GW hydrogen target requires 2.5 GW allocation per year. Grid curtailment costs compound toward £8bn without immediate battery dispatch reform and EGL delivery. Innovation ranking decline continues without structural reform linking funding to commercialization.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

2025 Review: 2026 UK Energy Priorities – What Must Happen Now

2025 was the year the energy transition stopped being about technology potential and started being about economic reality. Hydrogen projects with paying customers advanced; those chasing subsidies failed. AI data centres displaced industrial decarbonization. Policy paralysis cost billions. Here’s what happened, why it matters, and what 2026 UK energy priorities must address if Britain is serious about Clean Power 2030, hydrogen deployment, and innovation leadership.


Theme 1: Hydrogen Grew Up—and Not Everyone Survived

The defining hydrogen story of 2025 wasn’t about technology breakthroughs—it was about business model Darwinism. Projects with anchor customers, offtake contracts, and cashflow visibility advanced. Projects built on subsidy hopes and press releases died.

BP’s withdrawal from H2Teesside epitomized the shift. The public narrative blamed an “AI mega-campus,” but the real killer was prosaic: Sabic closed its Olefins 6 cracker, eliminating the £2 billion blue hydrogen project’s anchor customer. Fortescue scrapped two projects. Headlines proclaimed another “hydrogen bubble” burst.

But this wasn’t hydrogen’s death—it was its maturation. The froth burned off. What remains is leaner, more disciplined, and focused on applications that justify infrastructure investment: zero-carbon steelmaking, seasonal renewable storage, and long-haul heavy transport where electrons can’t compete. For detailed analysis of these use cases, see our hydrogen versus battery-electric comparison through 2030.

Meanwhile, green hydrogen projects advanced in Namibia, Saudi Arabia’s Yanbu, and the Gulf—not because economics are perfect today, but because first-movers are building supply chains that will make them perfect tomorrow. Hyphen’s Namibian plant entered FEED. NEOM’s $6.5 billion Air Products offtake sparked shareholder revolt, yet construction continues.

2026 UK Energy Priorities – Hydrogen Deployment:

  • HAR2 Contract Awards (Early 2026): The UK’s Hydrogen Allocation Round 2 targets 875 MW—seven times HAR1’s 125 MW. This is the first real test of whether government can scale hydrogen support beyond demonstration. For detailed policy context, see our UK Hydrogen Policy 2025 analysis.
  • First Regional H2 Transport/Storage Network FID: Government committed £500m+ for regional hydrogen networks operational by 2031. Without transport infrastructure, production capacity is stranded.
  • Hydrogen-to-Power Business Model Launch: Hydrogen-fired power generation needs de-risked investment for Clean Power 2030’s 40-50 GW dispatchable flexibility requirement.
  • Offtake Contract Clarity: Industrial sectors (steel, ammonia, chemicals) must commit to hydrogen purchase agreements. Without demand certainty, supply projects won’t reach FID. The green steel sector is particularly critical here.

The Risk: The 10 GW target requires deploying 2.5 GW per year starting now. HAR1 delivered 125 MW total. The math doesn’t work unless allocation rounds scale 20-fold.

Theme 2: AI Data Centres Won the Land Grab

If hydrogen defined 2025’s losses, AI data centres defined its wins. Hyperscale facilities outbid hydrogen plants, green steel projects, and renewable energy infrastructure for prime industrial sites. The economics are brutal: data centres deliver premium rents, long-term strategic value, and immediate private investment.

Teesside’s rumored £100 billion Google-backed AI campus displaced BP’s hydrogen infrastructure through rent arithmetic. A hyperscale data centre requires gigawatt-scale power with 99.999% uptime. When grid connections take 10-15 years, operators look for alternatives. Enter the gas network—not for heating, but as backup power infrastructure. This dynamic is explored in detail in our UK gas grid strategy analysis.

The irony cuts deep: the displaced hydrogen plant would have produced low-carbon energy for heavy industry. Its replacement increases electricity demand, potentially undermining decarbonization targets. Welcome to 2025, where the path of least resistance beats the path of greatest climate impact.

2026 UK Energy Priorities – Data Centre Integration:

  • Strategic Spatial Energy Plan Implementation: NESO’s spatial planning must guide industrial siting decisions, ensuring data centres locate where grid capacity exists.
  • Grid Connection Queue Reform: Reform must prioritize projects aligned with Clean Power 2030 and industrial strategy, not just those with deepest pockets.
  • Data Centre Energy Efficiency Standards: Mandate best-in-class efficiency, waste heat recovery, and renewable energy procurement.
  • Gas Network Strategy Clarity: The 2026 gas grid strategy must address whether data centre backup power is temporary transition or permanent dependency.

Theme 3: UK Policy Paralysis Cost Billions

British energy and innovation policy spent 2025 trapped in “The Prisoner’s Dilemma”—where rational individual decisions by network operators produce collectively irrational outcomes costing £2-3 billion annually.

The UK gas grid epitomizes the dysfunction. Government simultaneously signals gas phase-out (boiler ban by 2035) while promising “our gas network will always be part of our energy system.” Network operators respond by investing billions in hydrogen blending infrastructure—hedging both scenarios but maximizing consumer costs.

Denmark committed to gas phase-out by 2030 with clear compensation mechanisms. Germany approved an €18.9 billion hydrogen core network with government-backed risk sharing. The Netherlands coordinates gas and electricity TSOs through joint planning. The UK? Endless consultations, contradictory statements, and mounting costs.

Innovation policy showed similar symptoms. The UK slipped from #2 (2015) to #6 (2025) on WIPO’s Global Innovation Index. As explored in our UK Innovation Is Misfiring analysis, the ranking drop is a symptom. The disease is structural: decision-makers without technical expertise, incentives rewarding papers over plants, chronic underinvestment in foundational STEM, and procurement dysfunction.

2026 UK Energy Priorities – Policy Reform:

  • 2026 Heating Strategy Decision: End the gas grid limbo. Either commit to phase-out with compensation OR commit to hydrogen conversion with demand anchor confirmation. Continued indecision costs £2-3 billion per year.
  • HAR3 Launch by Year-End: Maintain hydrogen deployment momentum toward 10 GW target.
  • UKRI R&D Missions Implementation: £38.6 billion 2025-26 UKRI budget must fund first-of-a-kind deployment with customer offtake—not just laboratory research. This mirrors the historical pattern of government funding transformative technologies.
  • Innovation Procurement Reform: Enforce 30-day payment terms. Embed technical operators in major programmes. Treat semiconductors, chemicals, and PNT as strategic infrastructure.

Theme 4: Grid Curtailment—The £1.5 Billion Wake-Up Call

Wind curtailment costs hit £1.5 billion in 2025—up from £1.23 billion in 2024 and £282 million in 2020. Without intervention, projections suggest £8 billion annually by 2030. As detailed in our UK wind curtailment costs and grid constraints, the core problem is simple: Scotland’s wind generation exploded faster than transmission capacity to England.

The B6 boundary—the transmission interface between Scotland and England—comprises just two main AC lines plus one HVDC link. When full, Scottish wind must be curtailed (with compensation payments) while gas plants south of the boundary are dispatched (with generation payments). Consumers pay both sides of the transaction through bill levies.

This is the structural inefficiency explored in UK wind curtailment costs and grid constraints, where system design, not technology, drives the outcome.

The fastest solution exists but isn’t being used: battery storage. Imperial College research suggests medium-duration storage could save £500 million to £3.5 billion annually. Yet NESO “constraint skips” batteries 90% of the time during constrained periods, choosing more expensive alternatives.

2026 UK Energy Priorities – Grid Optimization:

  • NESO Battery Dispatch Reform: Mandate batteries receive dispatch priority during constraints when they’re the least-cost option. Could deliver £600-800 million annual savings immediately.
  • EGL1/EGL2 Emergency Delivery Focus: Eastern Green Links 1 and 2 are already 16 months late. Each year of delay costs £3.6 billion in curtailment.
  • Demand Flexibility Acceleration: Scale from 24 GW today to 51-66 GW by 2030. Deploy V2G infrastructure targeting 5 GW peak capability.
  • Strategic Hydrogen Deployment: Pair electrolysers with offshore wind targeting 40-50% utilisation. Deploy 2-3 GW behind-the-meter capacity.

Theme 5: Technology Worked; Infrastructure and Policy Lagged

One of 2025’s genuine stories was technologies graduating from laboratory to commercial reality—then hitting deployment barriers that had nothing to do with technical viability.

Hydrogen Internal Combustion Engines (H2ICE): JCB secured EU type approval. Cummins ramped X15H engine production. MAN brought 200 hTGX trucks to market. As covered in our Ultimate H2ICE Guide, optimized engines now exceed 50% brake thermal efficiency, rival diesel on fuel economy, and deliver near-zero tailpipe NOx and PM. Yet deployment depends on hydrogen supply reaching €2-2.50/kg, AFIR corridor stations scaling to 500+ public hubs by 2030, and regulatory alignment crediting lifecycle emissions.

Green Steel: Sweden’s SSAB leads commercially. Germany’s Salzgitter and Thyssenkrupp follow with hydrogen-based DRI projects. The EU’s Carbon Border Adjustment Mechanism (CBAM) became operational, reshaping global steel trade around embedded emissions. As explored in our Green Steel and CBAM analysis, market research projects $129 billion to $1.3 trillion by 2030-35. The UK? Still consulting.

Battery Storage: Grid-scale batteries moved rapidly down cost curves. The UK targets 27 GW BESS capacity by 2030. The technology is proven, economics compelling, yet operational rules underuse existing capacity.

2026 UK Energy Priorities – Deployment Acceleration:

  • H2ICE Infrastructure Deployment: Focus AFIR station deployment on commercial vehicle corridors. Coordinate with hydrogen production allocation to ensure supply availability matches vehicle deployment.
  • Green Steel Support Package: Launch UK equivalent of Germany’s industrial cluster support. Provide hydrogen supply contracts at competitive €2-3/kg pricing. Align CBAM compliance systems.
  • Battery Connection Fast-Track: Prioritize strategically located battery storage in connection queue. Focus on constraint boundaries (B6, East Anglia) where curtailment reduction value is highest.
  • Zero-Emission HGV Demonstration Continuation: Government committed funding through UKRI for ZE-HGV demonstrations. Extend beyond March 2026 to support commercial transition.

Theme 6: Decarbonization Became Geopolitics

2025 was the year energy transition stopped being primarily a climate story and became explicitly a strategic competition. Three developments crystallized the shift:

China’s Rare Earths Export Controls: Controls on gallium, germanium, and specific rare earth elements immediately impacted semiconductor, defense, and renewable energy supply chains. China controls ~70% of global mining and over 85% of processing capacity. The West’s response: accelerate domestic mining, build processing capacity outside China, invest in recycling infrastructure, and fund rare-earth-free motor designs.

EU CBAM Operational: The Carbon Border Adjustment Mechanism moved from reporting phase to reshaping global steel, cement, and aluminum trade. European green steel projects secured offtake contracts based on CBAM-driven price premiums. Non-EU producers face tariffs unless decarbonizing.

IMO Shipping Delay: The International Maritime Organization’s failure to agree meaningful carbon pricing exposed the politics-versus-physics tension. As covered in our IMO Shipping Decarbonisation Delay analysis, the result: EU and others proceed unilaterally, fragmenting global maritime regulation.


Ten Critical 2026 UK Energy Priorities – Decision Points

Looking ahead, 2026 will be defined by decisions either made or deferred. These ten priorities determine whether the UK leads or follows:

  1. UK Gas Grid Heating Strategy Consultation: Determines £74bn+ infrastructure investment direction. Decision cannot be deferred again.
  2. HAR2 Contract Awards (Early 2026): First test of scaled hydrogen allocation. Seven times HAR1’s capacity.
  3. EGL1 Delivery Checkpoint: Already 16 months late. Each additional year costs £3.6bn in curtailment.
  4. Clean Power 2030 Progress Review: 95%+ low-carbon target requires 5 GW offshore wind deployment per year versus 1 GW historical average.
  5. UKRI R&D Missions Implementation: £8bn government priority allocation must link to first-of-a-kind deployment, not just research.
  6. NESO Battery Dispatch Reform: Operational changes can deliver £600m+ annual savings immediately.
  7. First Regional H2 Transport/Storage Network FID: £500m+ commitment for networks operational by 2031.
  8. CBAM Transition to Tariffs: Reporting phase ends; financial penalties begin. UK-EU alignment critical.
  9. Hydrogen-to-Power Business Model Launch: De-risks investment in hydrogen-fired power generation.
  10. Innovation Procurement Reform: 30-day payment enforcement, FOAK deployment support, technical judgment embedding.

What 2025 Taught Us About 2026

If there’s a through-line in 2025, it’s this: the energy transition stopped being about technology and started being about economics, policy execution, and strategic coordination.

Hydrogen matured—projects with paying customers advanced, those chasing subsidies failed. AI data centres reshaped industrial land economics. UK policy remained trapped in strategic limbo costing billions annually. Grid curtailment hit £1.5bn while proven battery solutions remained underused. Technologies graduated to commercial readiness, then hit infrastructure and policy barriers. Decarbonization became geopolitics through CBAM, rare earths, and regulatory fragmentation.

The lesson: technology is the easy part. Policy coherence, infrastructure deployment, anchor customer commitments, and regulatory frameworks determine success. In 2025, the winners solved those hard problems. The losers assumed technology alone was enough.

2026 will reveal whether the UK learned the lesson. Denmark committed to gas phase-out with certainty. Germany approved €18.9bn hydrogen networks with risk-sharing. Sweden commercialized green steel. The EU made CBAM operational. China secured rare earths dominance. The UK consulted.

The 2026 UK energy priorities laid out above cannot be deferred. Clean Power 2030 requires 5 GW annual offshore wind deployment starting now. The 10 GW hydrogen target requires 2.5 GW allocation per year. Grid curtailment costs compound toward £8bn without immediate battery dispatch reform and EGL delivery. Innovation ranking decline continues without structural reform linking funding to commercialization.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

2025 Review: 2026 UK Energy Priorities – What Must Happen Now

2025 was the year the energy transition stopped being about technology potential and started being about economic reality. Hydrogen projects with paying customers advanced; those chasing subsidies failed. AI data centres displaced industrial decarbonization. Policy paralysis cost billions. Here’s what happened, why it matters, and what 2026 UK energy priorities must address if Britain is serious about Clean Power 2030, hydrogen deployment, and innovation leadership.


Theme 1: Hydrogen Grew Up—and Not Everyone Survived

The defining hydrogen story of 2025 wasn’t about technology breakthroughs—it was about business model Darwinism. Projects with anchor customers, offtake contracts, and cashflow visibility advanced. Projects built on subsidy hopes and press releases died.

BP’s withdrawal from H2Teesside epitomized the shift. The public narrative blamed an “AI mega-campus,” but the real killer was prosaic: Sabic closed its Olefins 6 cracker, eliminating the £2 billion blue hydrogen project’s anchor customer. Fortescue scrapped two projects. Headlines proclaimed another “hydrogen bubble” burst.

But this wasn’t hydrogen’s death—it was its maturation. The froth burned off. What remains is leaner, more disciplined, and focused on applications that justify infrastructure investment: zero-carbon steelmaking, seasonal renewable storage, and long-haul heavy transport where electrons can’t compete. For detailed analysis of these use cases, see our hydrogen versus battery-electric comparison through 2030.

Meanwhile, green hydrogen projects advanced in Namibia, Saudi Arabia’s Yanbu, and the Gulf—not because economics are perfect today, but because first-movers are building supply chains that will make them perfect tomorrow. Hyphen’s Namibian plant entered FEED. NEOM’s $6.5 billion Air Products offtake sparked shareholder revolt, yet construction continues.

2026 UK Energy Priorities – Hydrogen Deployment:

  • HAR2 Contract Awards (Early 2026): The UK’s Hydrogen Allocation Round 2 targets 875 MW—seven times HAR1’s 125 MW. This is the first real test of whether government can scale hydrogen support beyond demonstration. For detailed policy context, see our UK Hydrogen Policy 2025 analysis.
  • First Regional H2 Transport/Storage Network FID: Government committed £500m+ for regional hydrogen networks operational by 2031. Without transport infrastructure, production capacity is stranded.
  • Hydrogen-to-Power Business Model Launch: Hydrogen-fired power generation needs de-risked investment for Clean Power 2030’s 40-50 GW dispatchable flexibility requirement.
  • Offtake Contract Clarity: Industrial sectors (steel, ammonia, chemicals) must commit to hydrogen purchase agreements. Without demand certainty, supply projects won’t reach FID. The green steel sector is particularly critical here.

The Risk: The 10 GW target requires deploying 2.5 GW per year starting now. HAR1 delivered 125 MW total. The math doesn’t work unless allocation rounds scale 20-fold.

Theme 2: AI Data Centres Won the Land Grab

If hydrogen defined 2025’s losses, AI data centres defined its wins. Hyperscale facilities outbid hydrogen plants, green steel projects, and renewable energy infrastructure for prime industrial sites. The economics are brutal: data centres deliver premium rents, long-term strategic value, and immediate private investment.

Teesside’s rumored £100 billion Google-backed AI campus displaced BP’s hydrogen infrastructure through rent arithmetic. A hyperscale data centre requires gigawatt-scale power with 99.999% uptime. When grid connections take 10-15 years, operators look for alternatives. Enter the gas network—not for heating, but as backup power infrastructure. This dynamic is explored in detail in our UK gas grid strategy analysis.

The irony cuts deep: the displaced hydrogen plant would have produced low-carbon energy for heavy industry. Its replacement increases electricity demand, potentially undermining decarbonization targets. Welcome to 2025, where the path of least resistance beats the path of greatest climate impact.

2026 UK Energy Priorities – Data Centre Integration:

  • Strategic Spatial Energy Plan Implementation: NESO’s spatial planning must guide industrial siting decisions, ensuring data centres locate where grid capacity exists.
  • Grid Connection Queue Reform: Reform must prioritize projects aligned with Clean Power 2030 and industrial strategy, not just those with deepest pockets.
  • Data Centre Energy Efficiency Standards: Mandate best-in-class efficiency, waste heat recovery, and renewable energy procurement.
  • Gas Network Strategy Clarity: The 2026 gas grid strategy must address whether data centre backup power is temporary transition or permanent dependency.

Theme 3: UK Policy Paralysis Cost Billions

British energy and innovation policy spent 2025 trapped in “The Prisoner’s Dilemma”—where rational individual decisions by network operators produce collectively irrational outcomes costing £2-3 billion annually.

The UK gas grid epitomizes the dysfunction. Government simultaneously signals gas phase-out (boiler ban by 2035) while promising “our gas network will always be part of our energy system.” Network operators respond by investing billions in hydrogen blending infrastructure—hedging both scenarios but maximizing consumer costs.

Denmark committed to gas phase-out by 2030 with clear compensation mechanisms. Germany approved an €18.9 billion hydrogen core network with government-backed risk sharing. The Netherlands coordinates gas and electricity TSOs through joint planning. The UK? Endless consultations, contradictory statements, and mounting costs.

Innovation policy showed similar symptoms. The UK slipped from #2 (2015) to #6 (2025) on WIPO’s Global Innovation Index. As explored in our UK Innovation Is Misfiring analysis, the ranking drop is a symptom. The disease is structural: decision-makers without technical expertise, incentives rewarding papers over plants, chronic underinvestment in foundational STEM, and procurement dysfunction.

2026 UK Energy Priorities – Policy Reform:

  • 2026 Heating Strategy Decision: End the gas grid limbo. Either commit to phase-out with compensation OR commit to hydrogen conversion with demand anchor confirmation. Continued indecision costs £2-3 billion per year.
  • HAR3 Launch by Year-End: Maintain hydrogen deployment momentum toward 10 GW target.
  • UKRI R&D Missions Implementation: £38.6 billion 2025-26 UKRI budget must fund first-of-a-kind deployment with customer offtake—not just laboratory research. This mirrors the historical pattern of government funding transformative technologies.
  • Innovation Procurement Reform: Enforce 30-day payment terms. Embed technical operators in major programmes. Treat semiconductors, chemicals, and PNT as strategic infrastructure.

Theme 4: Grid Curtailment—The £1.5 Billion Wake-Up Call

Wind curtailment costs hit £1.5 billion in 2025—up from £1.23 billion in 2024 and £282 million in 2020. Without intervention, projections suggest £8 billion annually by 2030. As detailed in our comprehensive curtailment analysis, the core problem is simple: Scotland’s wind generation exploded faster than transmission capacity to England.

The B6 boundary—the transmission interface between Scotland and England—comprises just two main AC lines plus one HVDC link. When full, Scottish wind must be curtailed (with compensation payments) while gas plants south of the boundary are dispatched (with generation payments). Consumers pay both sides of the transaction through bill levies.

The fastest solution exists but isn’t being used: battery storage. Imperial College research suggests medium-duration storage could save £500 million to £3.5 billion annually. Yet NESO “constraint skips” batteries 90% of the time during constrained periods, choosing more expensive alternatives.

2026 UK Energy Priorities – Grid Optimization:

  • NESO Battery Dispatch Reform: Mandate batteries receive dispatch priority during constraints when they’re the least-cost option. Could deliver £600-800 million annual savings immediately.
  • EGL1/EGL2 Emergency Delivery Focus: Eastern Green Links 1 and 2 are already 16 months late. Each year of delay costs £3.6 billion in curtailment.
  • Demand Flexibility Acceleration: Scale from 24 GW today to 51-66 GW by 2030. Deploy V2G infrastructure targeting 5 GW peak capability.
  • Strategic Hydrogen Deployment: Pair electrolysers with offshore wind targeting 40-50% utilisation. Deploy 2-3 GW behind-the-meter capacity.

Theme 5: Technology Worked; Infrastructure and Policy Lagged

One of 2025’s genuine stories was technologies graduating from laboratory to commercial reality—then hitting deployment barriers that had nothing to do with technical viability.

Hydrogen Internal Combustion Engines (H2ICE): JCB secured EU type approval. Cummins ramped X15H engine production. MAN brought 200 hTGX trucks to market. As covered in our Ultimate H2ICE Guide, optimized engines now exceed 50% brake thermal efficiency, rival diesel on fuel economy, and deliver near-zero tailpipe NOx and PM. Yet deployment depends on hydrogen supply reaching €2-2.50/kg, AFIR corridor stations scaling to 500+ public hubs by 2030, and regulatory alignment crediting lifecycle emissions.

Green Steel: Sweden’s SSAB leads commercially. Germany’s Salzgitter and Thyssenkrupp follow with hydrogen-based DRI projects. The EU’s Carbon Border Adjustment Mechanism (CBAM) became operational, reshaping global steel trade around embedded emissions. As explored in our Green Steel and CBAM analysis, market research projects $129 billion to $1.3 trillion by 2030-35. The UK? Still consulting.

Battery Storage: Grid-scale batteries moved rapidly down cost curves. The UK targets 27 GW BESS capacity by 2030. The technology is proven, economics compelling, yet operational rules underuse existing capacity.

2026 UK Energy Priorities – Deployment Acceleration:

  • H2ICE Infrastructure Deployment: Focus AFIR station deployment on commercial vehicle corridors. Coordinate with hydrogen production allocation to ensure supply availability matches vehicle deployment.
  • Green Steel Support Package: Launch UK equivalent of Germany’s industrial cluster support. Provide hydrogen supply contracts at competitive €2-3/kg pricing. Align CBAM compliance systems.
  • Battery Connection Fast-Track: Prioritize strategically located battery storage in connection queue. Focus on constraint boundaries (B6, East Anglia) where curtailment reduction value is highest.
  • Zero-Emission HGV Demonstration Continuation: Government committed funding through UKRI for ZE-HGV demonstrations. Extend beyond March 2026 to support commercial transition.

Theme 6: Decarbonization Became Geopolitics

2025 was the year energy transition stopped being primarily a climate story and became explicitly a strategic competition. Three developments crystallized the shift:

China’s Rare Earths Export Controls: Controls on gallium, germanium, and specific rare earth elements immediately impacted semiconductor, defense, and renewable energy supply chains. China controls ~70% of global mining and over 85% of processing capacity. The West’s response: accelerate domestic mining, build processing capacity outside China, invest in recycling infrastructure, and fund rare-earth-free motor designs.

EU CBAM Operational: The Carbon Border Adjustment Mechanism moved from reporting phase to reshaping global steel, cement, and aluminum trade. European green steel projects secured offtake contracts based on CBAM-driven price premiums. Non-EU producers face tariffs unless decarbonizing.

IMO Shipping Delay: The International Maritime Organization’s failure to agree meaningful carbon pricing exposed the politics-versus-physics tension. As covered in our IMO Shipping Decarbonisation Delay analysis, the result: EU and others proceed unilaterally, fragmenting global maritime regulation.


Ten Critical 2026 UK Energy Priorities – Decision Points

Looking ahead, 2026 will be defined by decisions either made or deferred. These ten priorities determine whether the UK leads or follows:

  1. UK Gas Grid Heating Strategy Consultation: Determines £74bn+ infrastructure investment direction. Decision cannot be deferred again.
  2. HAR2 Contract Awards (Early 2026): First test of scaled hydrogen allocation. Seven times HAR1’s capacity.
  3. EGL1 Delivery Checkpoint: Already 16 months late. Each additional year costs £3.6bn in curtailment.
  4. Clean Power 2030 Progress Review: 95%+ low-carbon target requires 5 GW offshore wind deployment per year versus 1 GW historical average.
  5. UKRI R&D Missions Implementation: £8bn government priority allocation must link to first-of-a-kind deployment, not just research.
  6. NESO Battery Dispatch Reform: Operational changes can deliver £600m+ annual savings immediately.
  7. First Regional H2 Transport/Storage Network FID: £500m+ commitment for networks operational by 2031.
  8. CBAM Transition to Tariffs: Reporting phase ends; financial penalties begin. UK-EU alignment critical.
  9. Hydrogen-to-Power Business Model Launch: De-risks investment in hydrogen-fired power generation.
  10. Innovation Procurement Reform: 30-day payment enforcement, FOAK deployment support, technical judgment embedding.

What 2025 Taught Us About 2026

If there’s a through-line in 2025, it’s this: the energy transition stopped being about technology and started being about economics, policy execution, and strategic coordination.

Hydrogen matured—projects with paying customers advanced, those chasing subsidies failed. AI data centres reshaped industrial land economics. UK policy remained trapped in strategic limbo costing billions annually. Grid curtailment hit £1.5bn while proven battery solutions remained underused. Technologies graduated to commercial readiness, then hit infrastructure and policy barriers. Decarbonization became geopolitics through CBAM, rare earths, and regulatory fragmentation.

The lesson: technology is the easy part. Policy coherence, infrastructure deployment, anchor customer commitments, and regulatory frameworks determine success. In 2025, the winners solved those hard problems. The losers assumed technology alone was enough.

2026 will reveal whether the UK learned the lesson. Denmark committed to gas phase-out with certainty. Germany approved €18.9bn hydrogen networks with risk-sharing. Sweden commercialized green steel. The EU made CBAM operational. China secured rare earths dominance. The UK consulted.

The 2026 UK energy priorities laid out above cannot be deferred. Clean Power 2030 requires 5 GW annual offshore wind deployment starting now. The 10 GW hydrogen target requires 2.5 GW allocation per year. Grid curtailment costs compound toward £8bn without immediate battery dispatch reform and EGL delivery. Innovation ranking decline continues without structural reform linking funding to commercialization.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

2025 Review: 2026 UK Energy Priorities – What Must Happen Now

2025 was the year the energy transition stopped being about technology potential and started being about economic reality. Hydrogen projects with paying customers advanced; those chasing subsidies failed. AI data centres displaced industrial decarbonization. Policy paralysis cost billions. Here’s what happened, why it matters, and what 2026 UK energy priorities must address if Britain is serious about Clean Power 2030, hydrogen deployment, and innovation leadership.


Theme 1: Hydrogen Grew Up—and Not Everyone Survived

The defining hydrogen story of 2025 wasn’t about technology breakthroughs—it was about business model Darwinism. Projects with anchor customers, offtake contracts, and cashflow visibility advanced. Projects built on subsidy hopes and press releases died.

BP’s withdrawal from H2Teesside epitomized the shift. The public narrative blamed an “AI mega-campus,” but the real killer was prosaic: Sabic closed its Olefins 6 cracker, eliminating the £2 billion blue hydrogen project’s anchor customer. Fortescue scrapped two projects. Headlines proclaimed another “hydrogen bubble” burst.

But this wasn’t hydrogen’s death—it was its maturation. The froth burned off. What remains is leaner, more disciplined, and focused on applications that justify infrastructure investment: zero-carbon steelmaking, seasonal renewable storage, and long-haul heavy transport where electrons can’t compete. For detailed analysis of these use cases, see our hydrogen versus battery-electric comparison through 2030.

Meanwhile, green hydrogen projects advanced in Namibia, Saudi Arabia’s Yanbu, and the Gulf—not because economics are perfect today, but because first-movers are building supply chains that will make them perfect tomorrow. Hyphen’s Namibian plant entered FEED. NEOM’s $6.5 billion Air Products offtake sparked shareholder revolt, yet construction continues.

2026 UK Energy Priorities – Hydrogen Deployment:

  • HAR2 Contract Awards (Early 2026): The UK’s Hydrogen Allocation Round 2 targets 875 MW—seven times HAR1’s 125 MW. This is the first real test of whether government can scale hydrogen support beyond demonstration. For detailed policy context, see our UK Hydrogen Policy 2025 analysis.
  • First Regional H2 Transport/Storage Network FID: Government committed £500m+ for regional hydrogen networks operational by 2031. Without transport infrastructure, production capacity is stranded.
  • Hydrogen-to-Power Business Model Launch: Hydrogen-fired power generation needs de-risked investment for Clean Power 2030’s 40-50 GW dispatchable flexibility requirement.
  • Offtake Contract Clarity: Industrial sectors (steel, ammonia, chemicals) must commit to hydrogen purchase agreements. Without demand certainty, supply projects won’t reach FID. The green steel sector is particularly critical here.

The Risk: The 10 GW target requires deploying 2.5 GW per year starting now. HAR1 delivered 125 MW total. The math doesn’t work unless allocation rounds scale 20-fold.

Theme 2: AI Data Centres Won the Land Grab

If hydrogen defined 2025’s losses, AI data centres defined its wins. Hyperscale facilities outbid hydrogen plants, green steel projects, and renewable energy infrastructure for prime industrial sites. The economics are brutal: data centres deliver premium rents, long-term strategic value, and immediate private investment.

Teesside’s rumored £100 billion Google-backed AI campus displaced BP’s hydrogen infrastructure through rent arithmetic. A hyperscale data centre requires gigawatt-scale power with 99.999% uptime. When grid connections take 10-15 years, operators look for alternatives. Enter the gas network—not for heating, but as backup power infrastructure. This dynamic is explored in detail in our UK gas grid strategy analysis.

The irony cuts deep: the displaced hydrogen plant would have produced low-carbon energy for heavy industry. Its replacement increases electricity demand, potentially undermining decarbonization targets. Welcome to 2025, where the path of least resistance beats the path of greatest climate impact.

2026 UK Energy Priorities – Data Centre Integration:

  • Strategic Spatial Energy Plan Implementation: NESO’s spatial planning must guide industrial siting decisions, ensuring data centres locate where grid capacity exists.
  • Grid Connection Queue Reform: Reform must prioritize projects aligned with Clean Power 2030 and industrial strategy, not just those with deepest pockets.
  • Data Centre Energy Efficiency Standards: Mandate best-in-class efficiency, waste heat recovery, and renewable energy procurement.
  • Gas Network Strategy Clarity: The 2026 gas grid strategy must address whether data centre backup power is temporary transition or permanent dependency.

Theme 3: UK Policy Paralysis Cost Billions

British energy and innovation policy spent 2025 trapped in “The Prisoner’s Dilemma”—where rational individual decisions by network operators produce collectively irrational outcomes costing £2-3 billion annually.

The UK gas grid epitomizes the dysfunction. Government simultaneously signals gas phase-out (boiler ban by 2035) while promising “our gas network will always be part of our energy system.” Network operators respond by investing billions in hydrogen blending infrastructure—hedging both scenarios but maximizing consumer costs.

Denmark committed to gas phase-out by 2030 with clear compensation mechanisms. Germany approved an €18.9 billion hydrogen core network with government-backed risk sharing. The Netherlands coordinates gas and electricity TSOs through joint planning. The UK? Endless consultations, contradictory statements, and mounting costs.

Innovation policy showed similar symptoms. The UK slipped from #2 (2015) to #6 (2025) on WIPO’s Global Innovation Index. As explored in our UK Innovation Is Misfiring analysis, the ranking drop is a symptom. The disease is structural: decision-makers without technical expertise, incentives rewarding papers over plants, chronic underinvestment in foundational STEM, and procurement dysfunction.

2026 UK Energy Priorities – Policy Reform:

  • 2026 Heating Strategy Decision: End the gas grid limbo. Either commit to phase-out with compensation OR commit to hydrogen conversion with demand anchor confirmation. Continued indecision costs £2-3 billion per year.
  • HAR3 Launch by Year-End: Maintain hydrogen deployment momentum toward 10 GW target.
  • UKRI R&D Missions Implementation: £38.6 billion 2025-26 UKRI budget must fund first-of-a-kind deployment with customer offtake—not just laboratory research. This mirrors the historical pattern of government funding transformative technologies.
  • Innovation Procurement Reform: Enforce 30-day payment terms. Embed technical operators in major programmes. Treat semiconductors, chemicals, and PNT as strategic infrastructure.

Theme 4: Grid Curtailment—The £1.5 Billion Wake-Up Call

Wind curtailment costs hit £1.5 billion in 2025—up from £1.23 billion in 2024 and £282 million in 2020. Without intervention, projections suggest £8 billion annually by 2030. As detailed in our UK wind curtailment costs and grid constraints, the core problem is simple: Scotland’s wind generation exploded faster than transmission capacity to England.

The B6 boundary—the transmission interface between Scotland and England—comprises just two main AC lines plus one HVDC link. When full, Scottish wind must be curtailed (with compensation payments) while gas plants south of the boundary are dispatched (with generation payments). Consumers pay both sides of the transaction through bill levies.

This is the structural inefficiency explored in UK wind curtailment costs and grid constraints, where system design, not technology, drives the outcome.

The fastest solution exists but isn’t being used: battery storage. Imperial College research suggests medium-duration storage could save £500 million to £3.5 billion annually. Yet NESO “constraint skips” batteries 90% of the time during constrained periods, choosing more expensive alternatives.

2026 UK Energy Priorities – Grid Optimization:

  • NESO Battery Dispatch Reform: Mandate batteries receive dispatch priority during constraints when they’re the least-cost option. Could deliver £600-800 million annual savings immediately.
  • EGL1/EGL2 Emergency Delivery Focus: Eastern Green Links 1 and 2 are already 16 months late. Each year of delay costs £3.6 billion in curtailment.
  • Demand Flexibility Acceleration: Scale from 24 GW today to 51-66 GW by 2030. Deploy V2G infrastructure targeting 5 GW peak capability.
  • Strategic Hydrogen Deployment: Pair electrolysers with offshore wind targeting 40-50% utilisation. Deploy 2-3 GW behind-the-meter capacity.

Theme 5: Technology Worked; Infrastructure and Policy Lagged

One of 2025’s genuine stories was technologies graduating from laboratory to commercial reality—then hitting deployment barriers that had nothing to do with technical viability.

Hydrogen Internal Combustion Engines (H2ICE): JCB secured EU type approval. Cummins ramped X15H engine production. MAN brought 200 hTGX trucks to market. As covered in our Ultimate H2ICE Guide, optimized engines now exceed 50% brake thermal efficiency, rival diesel on fuel economy, and deliver near-zero tailpipe NOx and PM. Yet deployment depends on hydrogen supply reaching €2-2.50/kg, AFIR corridor stations scaling to 500+ public hubs by 2030, and regulatory alignment crediting lifecycle emissions.

Green Steel: Sweden’s SSAB leads commercially. Germany’s Salzgitter and Thyssenkrupp follow with hydrogen-based DRI projects. The EU’s Carbon Border Adjustment Mechanism (CBAM) became operational, reshaping global steel trade around embedded emissions. As explored in our Green Steel and CBAM analysis, market research projects $129 billion to $1.3 trillion by 2030-35. The UK? Still consulting.

Battery Storage: Grid-scale batteries moved rapidly down cost curves. The UK targets 27 GW BESS capacity by 2030. The technology is proven, economics compelling, yet operational rules underuse existing capacity.

2026 UK Energy Priorities – Deployment Acceleration:

  • H2ICE Infrastructure Deployment: Focus AFIR station deployment on commercial vehicle corridors. Coordinate with hydrogen production allocation to ensure supply availability matches vehicle deployment.
  • Green Steel Support Package: Launch UK equivalent of Germany’s industrial cluster support. Provide hydrogen supply contracts at competitive €2-3/kg pricing. Align CBAM compliance systems.
  • Battery Connection Fast-Track: Prioritize strategically located battery storage in connection queue. Focus on constraint boundaries (B6, East Anglia) where curtailment reduction value is highest.
  • Zero-Emission HGV Demonstration Continuation: Government committed funding through UKRI for ZE-HGV demonstrations. Extend beyond March 2026 to support commercial transition.

Theme 6: Decarbonization Became Geopolitics

2025 was the year energy transition stopped being primarily a climate story and became explicitly a strategic competition. Three developments crystallized the shift:

China’s Rare Earths Export Controls: Controls on gallium, germanium, and specific rare earth elements immediately impacted semiconductor, defense, and renewable energy supply chains. China controls ~70% of global mining and over 85% of processing capacity. The West’s response: accelerate domestic mining, build processing capacity outside China, invest in recycling infrastructure, and fund rare-earth-free motor designs.

EU CBAM Operational: The Carbon Border Adjustment Mechanism moved from reporting phase to reshaping global steel, cement, and aluminum trade. European green steel projects secured offtake contracts based on CBAM-driven price premiums. Non-EU producers face tariffs unless decarbonizing.

IMO Shipping Delay: The International Maritime Organization’s failure to agree meaningful carbon pricing exposed the politics-versus-physics tension. As covered in our IMO Shipping Decarbonisation Delay analysis, the result: EU and others proceed unilaterally, fragmenting global maritime regulation.


Ten Critical 2026 UK Energy Priorities – Decision Points

Looking ahead, 2026 will be defined by decisions either made or deferred. These ten priorities determine whether the UK leads or follows:

  1. UK Gas Grid Heating Strategy Consultation: Determines £74bn+ infrastructure investment direction. Decision cannot be deferred again.
  2. HAR2 Contract Awards (Early 2026): First test of scaled hydrogen allocation. Seven times HAR1’s capacity.
  3. EGL1 Delivery Checkpoint: Already 16 months late. Each additional year costs £3.6bn in curtailment.
  4. Clean Power 2030 Progress Review: 95%+ low-carbon target requires 5 GW offshore wind deployment per year versus 1 GW historical average.
  5. UKRI R&D Missions Implementation: £8bn government priority allocation must link to first-of-a-kind deployment, not just research.
  6. NESO Battery Dispatch Reform: Operational changes can deliver £600m+ annual savings immediately.
  7. First Regional H2 Transport/Storage Network FID: £500m+ commitment for networks operational by 2031.
  8. CBAM Transition to Tariffs: Reporting phase ends; financial penalties begin. UK-EU alignment critical.
  9. Hydrogen-to-Power Business Model Launch: De-risks investment in hydrogen-fired power generation.
  10. Innovation Procurement Reform: 30-day payment enforcement, FOAK deployment support, technical judgment embedding.

What 2025 Taught Us About 2026

If there’s a through-line in 2025, it’s this: the energy transition stopped being about technology and started being about economics, policy execution, and strategic coordination.

Hydrogen matured—projects with paying customers advanced, those chasing subsidies failed. AI data centres reshaped industrial land economics. UK policy remained trapped in strategic limbo costing billions annually. Grid curtailment hit £1.5bn while proven battery solutions remained underused. Technologies graduated to commercial readiness, then hit infrastructure and policy barriers. Decarbonization became geopolitics through CBAM, rare earths, and regulatory fragmentation.

The lesson: technology is the easy part. Policy coherence, infrastructure deployment, anchor customer commitments, and regulatory frameworks determine success. In 2025, the winners solved those hard problems. The losers assumed technology alone was enough.

2026 will reveal whether the UK learned the lesson. Denmark committed to gas phase-out with certainty. Germany approved €18.9bn hydrogen networks with risk-sharing. Sweden commercialized green steel. The EU made CBAM operational. China secured rare earths dominance. The UK consulted.

The 2026 UK energy priorities laid out above cannot be deferred. Clean Power 2030 requires 5 GW annual offshore wind deployment starting now. The 10 GW hydrogen target requires 2.5 GW allocation per year. Grid curtailment costs compound toward £8bn without immediate battery dispatch reform and EGL delivery. Innovation ranking decline continues without structural reform linking funding to commercialization.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

2025 Review: 2026 UK Energy Priorities – What Must Happen Now

2025 was the year the energy transition stopped being about technology potential and started being about economic reality. Hydrogen projects with paying customers advanced; those chasing subsidies failed. AI data centres displaced industrial decarbonization. Policy paralysis cost billions. Here’s what happened, why it matters, and what 2026 UK energy priorities must address if Britain is serious about Clean Power 2030, hydrogen deployment, and innovation leadership.


Theme 1: Hydrogen Grew Up—and Not Everyone Survived

The defining hydrogen story of 2025 wasn’t about technology breakthroughs—it was about business model Darwinism. Projects with anchor customers, offtake contracts, and cashflow visibility advanced. Projects built on subsidy hopes and press releases died.

BP’s withdrawal from H2Teesside epitomized the shift. The public narrative blamed an “AI mega-campus,” but the real killer was prosaic: Sabic closed its Olefins 6 cracker, eliminating the £2 billion blue hydrogen project’s anchor customer. Fortescue scrapped two projects. Headlines proclaimed another “hydrogen bubble” burst.

But this wasn’t hydrogen’s death—it was its maturation. The froth burned off. What remains is leaner, more disciplined, and focused on applications that justify infrastructure investment: zero-carbon steelmaking, seasonal renewable storage, and long-haul heavy transport where electrons can’t compete. For detailed analysis of these use cases, see our hydrogen versus battery-electric comparison through 2030.

Meanwhile, green hydrogen projects advanced in Namibia, Saudi Arabia’s Yanbu, and the Gulf—not because economics are perfect today, but because first-movers are building supply chains that will make them perfect tomorrow. Hyphen’s Namibian plant entered FEED. NEOM’s $6.5 billion Air Products offtake sparked shareholder revolt, yet construction continues.

2026 UK Energy Priorities – Hydrogen Deployment:

  • HAR2 Contract Awards (Early 2026): The UK’s Hydrogen Allocation Round 2 targets 875 MW—seven times HAR1’s 125 MW. This is the first real test of whether government can scale hydrogen support beyond demonstration. For detailed policy context, see our UK Hydrogen Policy 2025 analysis.
  • First Regional H2 Transport/Storage Network FID: Government committed £500m+ for regional hydrogen networks operational by 2031. Without transport infrastructure, production capacity is stranded.
  • Hydrogen-to-Power Business Model Launch: Hydrogen-fired power generation needs de-risked investment for Clean Power 2030’s 40-50 GW dispatchable flexibility requirement.
  • Offtake Contract Clarity: Industrial sectors (steel, ammonia, chemicals) must commit to hydrogen purchase agreements. Without demand certainty, supply projects won’t reach FID. The green steel sector is particularly critical here.

The Risk: The 10 GW target requires deploying 2.5 GW per year starting now. HAR1 delivered 125 MW total. The math doesn’t work unless allocation rounds scale 20-fold.

Theme 2: AI Data Centres Won the Land Grab

If hydrogen defined 2025’s losses, AI data centres defined its wins. Hyperscale facilities outbid hydrogen plants, green steel projects, and renewable energy infrastructure for prime industrial sites. The economics are brutal: data centres deliver premium rents, long-term strategic value, and immediate private investment.

Teesside’s rumored £100 billion Google-backed AI campus displaced BP’s hydrogen infrastructure through rent arithmetic. A hyperscale data centre requires gigawatt-scale power with 99.999% uptime. When grid connections take 10-15 years, operators look for alternatives. Enter the gas network—not for heating, but as backup power infrastructure. This dynamic is explored in detail in our UK gas grid strategy analysis.

The irony cuts deep: the displaced hydrogen plant would have produced low-carbon energy for heavy industry. Its replacement increases electricity demand, potentially undermining decarbonization targets. Welcome to 2025, where the path of least resistance beats the path of greatest climate impact.

2026 UK Energy Priorities – Data Centre Integration:

  • Strategic Spatial Energy Plan Implementation: NESO’s spatial planning must guide industrial siting decisions, ensuring data centres locate where grid capacity exists.
  • Grid Connection Queue Reform: Reform must prioritize projects aligned with Clean Power 2030 and industrial strategy, not just those with deepest pockets.
  • Data Centre Energy Efficiency Standards: Mandate best-in-class efficiency, waste heat recovery, and renewable energy procurement.
  • Gas Network Strategy Clarity: The 2026 gas grid strategy must address whether data centre backup power is temporary transition or permanent dependency.

Theme 3: UK Policy Paralysis Cost Billions

British energy and innovation policy spent 2025 trapped in “The Prisoner’s Dilemma”—where rational individual decisions by network operators produce collectively irrational outcomes costing £2-3 billion annually.

The UK gas grid epitomizes the dysfunction. Government simultaneously signals gas phase-out (boiler ban by 2035) while promising “our gas network will always be part of our energy system.” Network operators respond by investing billions in hydrogen blending infrastructure—hedging both scenarios but maximizing consumer costs.

Denmark committed to gas phase-out by 2030 with clear compensation mechanisms. Germany approved an €18.9 billion hydrogen core network with government-backed risk sharing. The Netherlands coordinates gas and electricity TSOs through joint planning. The UK? Endless consultations, contradictory statements, and mounting costs.

Innovation policy showed similar symptoms. The UK slipped from #2 (2015) to #6 (2025) on WIPO’s Global Innovation Index. As explored in our UK Innovation Is Misfiring analysis, the ranking drop is a symptom. The disease is structural: decision-makers without technical expertise, incentives rewarding papers over plants, chronic underinvestment in foundational STEM, and procurement dysfunction.

2026 UK Energy Priorities – Policy Reform:

  • 2026 Heating Strategy Decision: End the gas grid limbo. Either commit to phase-out with compensation OR commit to hydrogen conversion with demand anchor confirmation. Continued indecision costs £2-3 billion per year.
  • HAR3 Launch by Year-End: Maintain hydrogen deployment momentum toward 10 GW target.
  • UKRI R&D Missions Implementation: £38.6 billion 2025-26 UKRI budget must fund first-of-a-kind deployment with customer offtake—not just laboratory research. This mirrors the historical pattern of government funding transformative technologies.
  • Innovation Procurement Reform: Enforce 30-day payment terms. Embed technical operators in major programmes. Treat semiconductors, chemicals, and PNT as strategic infrastructure.

Theme 4: Grid Curtailment—The £1.5 Billion Wake-Up Call

Wind curtailment costs hit £1.5 billion in 2025—up from £1.23 billion in 2024 and £282 million in 2020. Without intervention, projections suggest £8 billion annually by 2030. As detailed in our comprehensive curtailment analysis, the core problem is simple: Scotland’s wind generation exploded faster than transmission capacity to England.

The B6 boundary—the transmission interface between Scotland and England—comprises just two main AC lines plus one HVDC link. When full, Scottish wind must be curtailed (with compensation payments) while gas plants south of the boundary are dispatched (with generation payments). Consumers pay both sides of the transaction through bill levies.

The fastest solution exists but isn’t being used: battery storage. Imperial College research suggests medium-duration storage could save £500 million to £3.5 billion annually. Yet NESO “constraint skips” batteries 90% of the time during constrained periods, choosing more expensive alternatives.

2026 UK Energy Priorities – Grid Optimization:

  • NESO Battery Dispatch Reform: Mandate batteries receive dispatch priority during constraints when they’re the least-cost option. Could deliver £600-800 million annual savings immediately.
  • EGL1/EGL2 Emergency Delivery Focus: Eastern Green Links 1 and 2 are already 16 months late. Each year of delay costs £3.6 billion in curtailment.
  • Demand Flexibility Acceleration: Scale from 24 GW today to 51-66 GW by 2030. Deploy V2G infrastructure targeting 5 GW peak capability.
  • Strategic Hydrogen Deployment: Pair electrolysers with offshore wind targeting 40-50% utilisation. Deploy 2-3 GW behind-the-meter capacity.

Theme 5: Technology Worked; Infrastructure and Policy Lagged

One of 2025’s genuine stories was technologies graduating from laboratory to commercial reality—then hitting deployment barriers that had nothing to do with technical viability.

Hydrogen Internal Combustion Engines (H2ICE): JCB secured EU type approval. Cummins ramped X15H engine production. MAN brought 200 hTGX trucks to market. As covered in our Ultimate H2ICE Guide, optimized engines now exceed 50% brake thermal efficiency, rival diesel on fuel economy, and deliver near-zero tailpipe NOx and PM. Yet deployment depends on hydrogen supply reaching €2-2.50/kg, AFIR corridor stations scaling to 500+ public hubs by 2030, and regulatory alignment crediting lifecycle emissions.

Green Steel: Sweden’s SSAB leads commercially. Germany’s Salzgitter and Thyssenkrupp follow with hydrogen-based DRI projects. The EU’s Carbon Border Adjustment Mechanism (CBAM) became operational, reshaping global steel trade around embedded emissions. As explored in our Green Steel and CBAM analysis, market research projects $129 billion to $1.3 trillion by 2030-35. The UK? Still consulting.

Battery Storage: Grid-scale batteries moved rapidly down cost curves. The UK targets 27 GW BESS capacity by 2030. The technology is proven, economics compelling, yet operational rules underuse existing capacity.

2026 UK Energy Priorities – Deployment Acceleration:

  • H2ICE Infrastructure Deployment: Focus AFIR station deployment on commercial vehicle corridors. Coordinate with hydrogen production allocation to ensure supply availability matches vehicle deployment.
  • Green Steel Support Package: Launch UK equivalent of Germany’s industrial cluster support. Provide hydrogen supply contracts at competitive €2-3/kg pricing. Align CBAM compliance systems.
  • Battery Connection Fast-Track: Prioritize strategically located battery storage in connection queue. Focus on constraint boundaries (B6, East Anglia) where curtailment reduction value is highest.
  • Zero-Emission HGV Demonstration Continuation: Government committed funding through UKRI for ZE-HGV demonstrations. Extend beyond March 2026 to support commercial transition.

Theme 6: Decarbonization Became Geopolitics

2025 was the year energy transition stopped being primarily a climate story and became explicitly a strategic competition. Three developments crystallized the shift:

China’s Rare Earths Export Controls: Controls on gallium, germanium, and specific rare earth elements immediately impacted semiconductor, defense, and renewable energy supply chains. China controls ~70% of global mining and over 85% of processing capacity. The West’s response: accelerate domestic mining, build processing capacity outside China, invest in recycling infrastructure, and fund rare-earth-free motor designs.

EU CBAM Operational: The Carbon Border Adjustment Mechanism moved from reporting phase to reshaping global steel, cement, and aluminum trade. European green steel projects secured offtake contracts based on CBAM-driven price premiums. Non-EU producers face tariffs unless decarbonizing.

IMO Shipping Delay: The International Maritime Organization’s failure to agree meaningful carbon pricing exposed the politics-versus-physics tension. As covered in our IMO Shipping Decarbonisation Delay analysis, the result: EU and others proceed unilaterally, fragmenting global maritime regulation.


Ten Critical 2026 UK Energy Priorities – Decision Points

Looking ahead, 2026 will be defined by decisions either made or deferred. These ten priorities determine whether the UK leads or follows:

  1. UK Gas Grid Heating Strategy Consultation: Determines £74bn+ infrastructure investment direction. Decision cannot be deferred again.
  2. HAR2 Contract Awards (Early 2026): First test of scaled hydrogen allocation. Seven times HAR1’s capacity.
  3. EGL1 Delivery Checkpoint: Already 16 months late. Each additional year costs £3.6bn in curtailment.
  4. Clean Power 2030 Progress Review: 95%+ low-carbon target requires 5 GW offshore wind deployment per year versus 1 GW historical average.
  5. UKRI R&D Missions Implementation: £8bn government priority allocation must link to first-of-a-kind deployment, not just research.
  6. NESO Battery Dispatch Reform: Operational changes can deliver £600m+ annual savings immediately.
  7. First Regional H2 Transport/Storage Network FID: £500m+ commitment for networks operational by 2031.
  8. CBAM Transition to Tariffs: Reporting phase ends; financial penalties begin. UK-EU alignment critical.
  9. Hydrogen-to-Power Business Model Launch: De-risks investment in hydrogen-fired power generation.
  10. Innovation Procurement Reform: 30-day payment enforcement, FOAK deployment support, technical judgment embedding.

What 2025 Taught Us About 2026

If there’s a through-line in 2025, it’s this: the energy transition stopped being about technology and started being about economics, policy execution, and strategic coordination.

Hydrogen matured—projects with paying customers advanced, those chasing subsidies failed. AI data centres reshaped industrial land economics. UK policy remained trapped in strategic limbo costing billions annually. Grid curtailment hit £1.5bn while proven battery solutions remained underused. Technologies graduated to commercial readiness, then hit infrastructure and policy barriers. Decarbonization became geopolitics through CBAM, rare earths, and regulatory fragmentation.

The lesson: technology is the easy part. Policy coherence, infrastructure deployment, anchor customer commitments, and regulatory frameworks determine success. In 2025, the winners solved those hard problems. The losers assumed technology alone was enough.

2026 will reveal whether the UK learned the lesson. Denmark committed to gas phase-out with certainty. Germany approved €18.9bn hydrogen networks with risk-sharing. Sweden commercialized green steel. The EU made CBAM operational. China secured rare earths dominance. The UK consulted.

The 2026 UK energy priorities laid out above cannot be deferred. Clean Power 2030 requires 5 GW annual offshore wind deployment starting now. The 10 GW hydrogen target requires 2.5 GW allocation per year. Grid curtailment costs compound toward £8bn without immediate battery dispatch reform and EGL delivery. Innovation ranking decline continues without structural reform linking funding to commercialization.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

2025 Review: 2026 UK Energy Priorities – What Must Happen Now

2025 was the year the energy transition stopped being about technology potential and started being about economic reality. Hydrogen projects with paying customers advanced; those chasing subsidies failed. AI data centres displaced industrial decarbonization. Policy paralysis cost billions. Here’s what happened, why it matters, and what 2026 UK energy priorities must address if Britain is serious about Clean Power 2030, hydrogen deployment, and innovation leadership.


Theme 1: Hydrogen Grew Up—and Not Everyone Survived

The defining hydrogen story of 2025 wasn’t about technology breakthroughs—it was about business model Darwinism. Projects with anchor customers, offtake contracts, and cashflow visibility advanced. Projects built on subsidy hopes and press releases died.

BP’s withdrawal from H2Teesside epitomized the shift. The public narrative blamed an “AI mega-campus,” but the real killer was prosaic: Sabic closed its Olefins 6 cracker, eliminating the £2 billion blue hydrogen project’s anchor customer. Fortescue scrapped two projects. Headlines proclaimed another “hydrogen bubble” burst.

But this wasn’t hydrogen’s death—it was its maturation. The froth burned off. What remains is leaner, more disciplined, and focused on applications that justify infrastructure investment: zero-carbon steelmaking, seasonal renewable storage, and long-haul heavy transport where electrons can’t compete. For detailed analysis of these use cases, see our hydrogen versus battery-electric comparison through 2030.

Meanwhile, green hydrogen projects advanced in Namibia, Saudi Arabia’s Yanbu, and the Gulf—not because economics are perfect today, but because first-movers are building supply chains that will make them perfect tomorrow. Hyphen’s Namibian plant entered FEED. NEOM’s $6.5 billion Air Products offtake sparked shareholder revolt, yet construction continues.

2026 UK Energy Priorities – Hydrogen Deployment:

  • HAR2 Contract Awards (Early 2026): The UK’s Hydrogen Allocation Round 2 targets 875 MW—seven times HAR1’s 125 MW. This is the first real test of whether government can scale hydrogen support beyond demonstration. For detailed policy context, see our UK Hydrogen Policy 2025 analysis.
  • First Regional H2 Transport/Storage Network FID: Government committed £500m+ for regional hydrogen networks operational by 2031. Without transport infrastructure, production capacity is stranded.
  • Hydrogen-to-Power Business Model Launch: Hydrogen-fired power generation needs de-risked investment for Clean Power 2030’s 40-50 GW dispatchable flexibility requirement.
  • Offtake Contract Clarity: Industrial sectors (steel, ammonia, chemicals) must commit to hydrogen purchase agreements. Without demand certainty, supply projects won’t reach FID. The green steel sector is particularly critical here.

The Risk: The 10 GW target requires deploying 2.5 GW per year starting now. HAR1 delivered 125 MW total. The math doesn’t work unless allocation rounds scale 20-fold.

Theme 2: AI Data Centres Won the Land Grab

If hydrogen defined 2025’s losses, AI data centres defined its wins. Hyperscale facilities outbid hydrogen plants, green steel projects, and renewable energy infrastructure for prime industrial sites. The economics are brutal: data centres deliver premium rents, long-term strategic value, and immediate private investment.

Teesside’s rumored £100 billion Google-backed AI campus displaced BP’s hydrogen infrastructure through rent arithmetic. A hyperscale data centre requires gigawatt-scale power with 99.999% uptime. When grid connections take 10-15 years, operators look for alternatives. Enter the gas network—not for heating, but as backup power infrastructure. This dynamic is explored in detail in our UK gas grid strategy analysis.

The irony cuts deep: the displaced hydrogen plant would have produced low-carbon energy for heavy industry. Its replacement increases electricity demand, potentially undermining decarbonization targets. Welcome to 2025, where the path of least resistance beats the path of greatest climate impact.

2026 UK Energy Priorities – Data Centre Integration:

  • Strategic Spatial Energy Plan Implementation: NESO’s spatial planning must guide industrial siting decisions, ensuring data centres locate where grid capacity exists.
  • Grid Connection Queue Reform: Reform must prioritize projects aligned with Clean Power 2030 and industrial strategy, not just those with deepest pockets.
  • Data Centre Energy Efficiency Standards: Mandate best-in-class efficiency, waste heat recovery, and renewable energy procurement.
  • Gas Network Strategy Clarity: The 2026 gas grid strategy must address whether data centre backup power is temporary transition or permanent dependency.

Theme 3: UK Policy Paralysis Cost Billions

British energy and innovation policy spent 2025 trapped in “The Prisoner’s Dilemma”—where rational individual decisions by network operators produce collectively irrational outcomes costing £2-3 billion annually.

The UK gas grid epitomizes the dysfunction. Government simultaneously signals gas phase-out (boiler ban by 2035) while promising “our gas network will always be part of our energy system.” Network operators respond by investing billions in hydrogen blending infrastructure—hedging both scenarios but maximizing consumer costs.

Denmark committed to gas phase-out by 2030 with clear compensation mechanisms. Germany approved an €18.9 billion hydrogen core network with government-backed risk sharing. The Netherlands coordinates gas and electricity TSOs through joint planning. The UK? Endless consultations, contradictory statements, and mounting costs.

Innovation policy showed similar symptoms. The UK slipped from #2 (2015) to #6 (2025) on WIPO’s Global Innovation Index. As explored in our UK Innovation Is Misfiring analysis, the ranking drop is a symptom. The disease is structural: decision-makers without technical expertise, incentives rewarding papers over plants, chronic underinvestment in foundational STEM, and procurement dysfunction.

2026 UK Energy Priorities – Policy Reform:

  • 2026 Heating Strategy Decision: End the gas grid limbo. Either commit to phase-out with compensation OR commit to hydrogen conversion with demand anchor confirmation. Continued indecision costs £2-3 billion per year.
  • HAR3 Launch by Year-End: Maintain hydrogen deployment momentum toward 10 GW target.
  • UKRI R&D Missions Implementation: £38.6 billion 2025-26 UKRI budget must fund first-of-a-kind deployment with customer offtake—not just laboratory research. This mirrors the historical pattern of government funding transformative technologies.
  • Innovation Procurement Reform: Enforce 30-day payment terms. Embed technical operators in major programmes. Treat semiconductors, chemicals, and PNT as strategic infrastructure.

Theme 4: Grid Curtailment—The £1.5 Billion Wake-Up Call

Wind curtailment costs hit £1.5 billion in 2025—up from £1.23 billion in 2024 and £282 million in 2020. Without intervention, projections suggest £8 billion annually by 2030. As detailed in our comprehensive curtailment analysis, the core problem is simple: Scotland’s wind generation exploded faster than transmission capacity to England.

The B6 boundary—the transmission interface between Scotland and England—comprises just two main AC lines plus one HVDC link. When full, Scottish wind must be curtailed (with compensation payments) while gas plants south of the boundary are dispatched (with generation payments). Consumers pay both sides of the transaction through bill levies.

The fastest solution exists but isn’t being used: battery storage. Imperial College research suggests medium-duration storage could save £500 million to £3.5 billion annually. Yet NESO “constraint skips” batteries 90% of the time during constrained periods, choosing more expensive alternatives.

2026 UK Energy Priorities – Grid Optimization:

  • NESO Battery Dispatch Reform: Mandate batteries receive dispatch priority during constraints when they’re the least-cost option. Could deliver £600-800 million annual savings immediately.
  • EGL1/EGL2 Emergency Delivery Focus: Eastern Green Links 1 and 2 are already 16 months late. Each year of delay costs £3.6 billion in curtailment.
  • Demand Flexibility Acceleration: Scale from 24 GW today to 51-66 GW by 2030. Deploy V2G infrastructure targeting 5 GW peak capability.
  • Strategic Hydrogen Deployment: Pair electrolysers with offshore wind targeting 40-50% utilisation. Deploy 2-3 GW behind-the-meter capacity.

Theme 5: Technology Worked; Infrastructure and Policy Lagged

One of 2025’s genuine stories was technologies graduating from laboratory to commercial reality—then hitting deployment barriers that had nothing to do with technical viability.

Hydrogen Internal Combustion Engines (H2ICE): JCB secured EU type approval. Cummins ramped X15H engine production. MAN brought 200 hTGX trucks to market. As covered in our Ultimate H2ICE Guide, optimized engines now exceed 50% brake thermal efficiency, rival diesel on fuel economy, and deliver near-zero tailpipe NOx and PM. Yet deployment depends on hydrogen supply reaching €2-2.50/kg, AFIR corridor stations scaling to 500+ public hubs by 2030, and regulatory alignment crediting lifecycle emissions.

Green Steel: Sweden’s SSAB leads commercially. Germany’s Salzgitter and Thyssenkrupp follow with hydrogen-based DRI projects. The EU’s Carbon Border Adjustment Mechanism (CBAM) became operational, reshaping global steel trade around embedded emissions. As explored in our Green Steel and CBAM analysis, market research projects $129 billion to $1.3 trillion by 2030-35. The UK? Still consulting.

Battery Storage: Grid-scale batteries moved rapidly down cost curves. The UK targets 27 GW BESS capacity by 2030. The technology is proven, economics compelling, yet operational rules underuse existing capacity.

2026 UK Energy Priorities – Deployment Acceleration:

  • H2ICE Infrastructure Deployment: Focus AFIR station deployment on commercial vehicle corridors. Coordinate with hydrogen production allocation to ensure supply availability matches vehicle deployment.
  • Green Steel Support Package: Launch UK equivalent of Germany’s industrial cluster support. Provide hydrogen supply contracts at competitive €2-3/kg pricing. Align CBAM compliance systems.
  • Battery Connection Fast-Track: Prioritize strategically located battery storage in connection queue. Focus on constraint boundaries (B6, East Anglia) where curtailment reduction value is highest.
  • Zero-Emission HGV Demonstration Continuation: Government committed funding through UKRI for ZE-HGV demonstrations. Extend beyond March 2026 to support commercial transition.

Theme 6: Decarbonization Became Geopolitics

2025 was the year energy transition stopped being primarily a climate story and became explicitly a strategic competition. Three developments crystallized the shift:

China’s Rare Earths Export Controls: Controls on gallium, germanium, and specific rare earth elements immediately impacted semiconductor, defense, and renewable energy supply chains. China controls ~70% of global mining and over 85% of processing capacity. The West’s response: accelerate domestic mining, build processing capacity outside China, invest in recycling infrastructure, and fund rare-earth-free motor designs.

EU CBAM Operational: The Carbon Border Adjustment Mechanism moved from reporting phase to reshaping global steel, cement, and aluminum trade. European green steel projects secured offtake contracts based on CBAM-driven price premiums. Non-EU producers face tariffs unless decarbonizing.

IMO Shipping Delay: The International Maritime Organization’s failure to agree meaningful carbon pricing exposed the politics-versus-physics tension. As covered in our IMO Shipping Decarbonisation Delay analysis, the result: EU and others proceed unilaterally, fragmenting global maritime regulation.


Ten Critical 2026 UK Energy Priorities – Decision Points

Looking ahead, 2026 will be defined by decisions either made or deferred. These ten priorities determine whether the UK leads or follows:

  1. UK Gas Grid Heating Strategy Consultation: Determines £74bn+ infrastructure investment direction. Decision cannot be deferred again.
  2. HAR2 Contract Awards (Early 2026): First test of scaled hydrogen allocation. Seven times HAR1’s capacity.
  3. EGL1 Delivery Checkpoint: Already 16 months late. Each additional year costs £3.6bn in curtailment.
  4. Clean Power 2030 Progress Review: 95%+ low-carbon target requires 5 GW offshore wind deployment per year versus 1 GW historical average.
  5. UKRI R&D Missions Implementation: £8bn government priority allocation must link to first-of-a-kind deployment, not just research.
  6. NESO Battery Dispatch Reform: Operational changes can deliver £600m+ annual savings immediately.
  7. First Regional H2 Transport/Storage Network FID: £500m+ commitment for networks operational by 2031.
  8. CBAM Transition to Tariffs: Reporting phase ends; financial penalties begin. UK-EU alignment critical.
  9. Hydrogen-to-Power Business Model Launch: De-risks investment in hydrogen-fired power generation.
  10. Innovation Procurement Reform: 30-day payment enforcement, FOAK deployment support, technical judgment embedding.

What 2025 Taught Us About 2026

If there’s a through-line in 2025, it’s this: the energy transition stopped being about technology and started being about economics, policy execution, and strategic coordination.

Hydrogen matured—projects with paying customers advanced, those chasing subsidies failed. AI data centres reshaped industrial land economics. UK policy remained trapped in strategic limbo costing billions annually. Grid curtailment hit £1.5bn while proven battery solutions remained underused. Technologies graduated to commercial readiness, then hit infrastructure and policy barriers. Decarbonization became geopolitics through CBAM, rare earths, and regulatory fragmentation.

The lesson: technology is the easy part. Policy coherence, infrastructure deployment, anchor customer commitments, and regulatory frameworks determine success. In 2025, the winners solved those hard problems. The losers assumed technology alone was enough.

2026 will reveal whether the UK learned the lesson. Denmark committed to gas phase-out with certainty. Germany approved €18.9bn hydrogen networks with risk-sharing. Sweden commercialized green steel. The EU made CBAM operational. China secured rare earths dominance. The UK consulted.

The 2026 UK energy priorities laid out above cannot be deferred. Clean Power 2030 requires 5 GW annual offshore wind deployment starting now. The 10 GW hydrogen target requires 2.5 GW allocation per year. Grid curtailment costs compound toward £8bn without immediate battery dispatch reform and EGL delivery. Innovation ranking decline continues without structural reform linking funding to commercialization.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

2025 Review: 2026 UK Energy Priorities – What Must Happen Now

2025 was the year the energy transition stopped being about technology potential and started being about economic reality. Hydrogen projects with paying customers advanced; those chasing subsidies failed. AI data centres displaced industrial decarbonization. Policy paralysis cost billions. Here’s what happened, why it matters, and what 2026 UK energy priorities must address if Britain is serious about Clean Power 2030, hydrogen deployment, and innovation leadership.


Theme 1: Hydrogen Grew Up—and Not Everyone Survived

The defining hydrogen story of 2025 wasn’t about technology breakthroughs—it was about business model Darwinism. Projects with anchor customers, offtake contracts, and cashflow visibility advanced. Projects built on subsidy hopes and press releases died.

BP’s withdrawal from H2Teesside epitomized the shift. The public narrative blamed an “AI mega-campus,” but the real killer was prosaic: Sabic closed its Olefins 6 cracker, eliminating the £2 billion blue hydrogen project’s anchor customer. Fortescue scrapped two projects. Headlines proclaimed another “hydrogen bubble” burst.

But this wasn’t hydrogen’s death—it was its maturation. The froth burned off. What remains is leaner, more disciplined, and focused on applications that justify infrastructure investment: zero-carbon steelmaking, seasonal renewable storage, and long-haul heavy transport where electrons can’t compete. For detailed analysis of these use cases, see our hydrogen versus battery-electric comparison through 2030.

Meanwhile, green hydrogen projects advanced in Namibia, Saudi Arabia’s Yanbu, and the Gulf—not because economics are perfect today, but because first-movers are building supply chains that will make them perfect tomorrow. Hyphen’s Namibian plant entered FEED. NEOM’s $6.5 billion Air Products offtake sparked shareholder revolt, yet construction continues.

2026 UK Energy Priorities – Hydrogen Deployment:

  • HAR2 Contract Awards (Early 2026): The UK’s Hydrogen Allocation Round 2 targets 875 MW—seven times HAR1’s 125 MW. This is the first real test of whether government can scale hydrogen support beyond demonstration. For detailed policy context, see our UK Hydrogen Policy 2025 analysis.
  • First Regional H2 Transport/Storage Network FID: Government committed £500m+ for regional hydrogen networks operational by 2031. Without transport infrastructure, production capacity is stranded.
  • Hydrogen-to-Power Business Model Launch: Hydrogen-fired power generation needs de-risked investment for Clean Power 2030’s 40-50 GW dispatchable flexibility requirement.
  • Offtake Contract Clarity: Industrial sectors (steel, ammonia, chemicals) must commit to hydrogen purchase agreements. Without demand certainty, supply projects won’t reach FID. The green steel sector is particularly critical here.

The Risk: The 10 GW target requires deploying 2.5 GW per year starting now. HAR1 delivered 125 MW total. The math doesn’t work unless allocation rounds scale 20-fold.

Theme 2: AI Data Centres Won the Land Grab

If hydrogen defined 2025’s losses, AI data centres defined its wins. Hyperscale facilities outbid hydrogen plants, green steel projects, and renewable energy infrastructure for prime industrial sites. The economics are brutal: data centres deliver premium rents, long-term strategic value, and immediate private investment.

Teesside’s rumored £100 billion Google-backed AI campus displaced BP’s hydrogen infrastructure through rent arithmetic. A hyperscale data centre requires gigawatt-scale power with 99.999% uptime. When grid connections take 10-15 years, operators look for alternatives. Enter the gas network—not for heating, but as backup power infrastructure. This dynamic is explored in detail in our UK gas grid strategy analysis.

The irony cuts deep: the displaced hydrogen plant would have produced low-carbon energy for heavy industry. Its replacement increases electricity demand, potentially undermining decarbonization targets. Welcome to 2025, where the path of least resistance beats the path of greatest climate impact.

2026 UK Energy Priorities – Data Centre Integration:

  • Strategic Spatial Energy Plan Implementation: NESO’s spatial planning must guide industrial siting decisions, ensuring data centres locate where grid capacity exists.
  • Grid Connection Queue Reform: Reform must prioritize projects aligned with Clean Power 2030 and industrial strategy, not just those with deepest pockets.
  • Data Centre Energy Efficiency Standards: Mandate best-in-class efficiency, waste heat recovery, and renewable energy procurement.
  • Gas Network Strategy Clarity: The 2026 gas grid strategy must address whether data centre backup power is temporary transition or permanent dependency.

Theme 3: UK Policy Paralysis Cost Billions

British energy and innovation policy spent 2025 trapped in “The Prisoner’s Dilemma”—where rational individual decisions by network operators produce collectively irrational outcomes costing £2-3 billion annually.

The UK gas grid epitomizes the dysfunction. Government simultaneously signals gas phase-out (boiler ban by 2035) while promising “our gas network will always be part of our energy system.” Network operators respond by investing billions in hydrogen blending infrastructure—hedging both scenarios but maximizing consumer costs.

Denmark committed to gas phase-out by 2030 with clear compensation mechanisms. Germany approved an €18.9 billion hydrogen core network with government-backed risk sharing. The Netherlands coordinates gas and electricity TSOs through joint planning. The UK? Endless consultations, contradictory statements, and mounting costs.

Innovation policy showed similar symptoms. The UK slipped from #2 (2015) to #6 (2025) on WIPO’s Global Innovation Index. As explored in our UK Innovation Is Misfiring analysis, the ranking drop is a symptom. The disease is structural: decision-makers without technical expertise, incentives rewarding papers over plants, chronic underinvestment in foundational STEM, and procurement dysfunction.

2026 UK Energy Priorities – Policy Reform:

  • 2026 Heating Strategy Decision: End the gas grid limbo. Either commit to phase-out with compensation OR commit to hydrogen conversion with demand anchor confirmation. Continued indecision costs £2-3 billion per year.
  • HAR3 Launch by Year-End: Maintain hydrogen deployment momentum toward 10 GW target.
  • UKRI R&D Missions Implementation: £38.6 billion 2025-26 UKRI budget must fund first-of-a-kind deployment with customer offtake—not just laboratory research. This mirrors the historical pattern of government funding transformative technologies.
  • Innovation Procurement Reform: Enforce 30-day payment terms. Embed technical operators in major programmes. Treat semiconductors, chemicals, and PNT as strategic infrastructure.

Theme 4: Grid Curtailment—The £1.5 Billion Wake-Up Call

Wind curtailment costs hit £1.5 billion in 2025—up from £1.23 billion in 2024 and £282 million in 2020. Without intervention, projections suggest £8 billion annually by 2030. As detailed in our UK wind curtailment costs and grid constraints, the core problem is simple: Scotland’s wind generation exploded faster than transmission capacity to England.

The B6 boundary—the transmission interface between Scotland and England—comprises just two main AC lines plus one HVDC link. When full, Scottish wind must be curtailed (with compensation payments) while gas plants south of the boundary are dispatched (with generation payments). Consumers pay both sides of the transaction through bill levies.

This is the structural inefficiency explored in UK wind curtailment costs and grid constraints, where system design, not technology, drives the outcome.

The fastest solution exists but isn’t being used: battery storage. Imperial College research suggests medium-duration storage could save £500 million to £3.5 billion annually. Yet NESO “constraint skips” batteries 90% of the time during constrained periods, choosing more expensive alternatives.

2026 UK Energy Priorities – Grid Optimization:

  • NESO Battery Dispatch Reform: Mandate batteries receive dispatch priority during constraints when they’re the least-cost option. Could deliver £600-800 million annual savings immediately.
  • EGL1/EGL2 Emergency Delivery Focus: Eastern Green Links 1 and 2 are already 16 months late. Each year of delay costs £3.6 billion in curtailment.
  • Demand Flexibility Acceleration: Scale from 24 GW today to 51-66 GW by 2030. Deploy V2G infrastructure targeting 5 GW peak capability.
  • Strategic Hydrogen Deployment: Pair electrolysers with offshore wind targeting 40-50% utilisation. Deploy 2-3 GW behind-the-meter capacity.

Theme 5: Technology Worked; Infrastructure and Policy Lagged

One of 2025’s genuine stories was technologies graduating from laboratory to commercial reality—then hitting deployment barriers that had nothing to do with technical viability.

Hydrogen Internal Combustion Engines (H2ICE): JCB secured EU type approval. Cummins ramped X15H engine production. MAN brought 200 hTGX trucks to market. As covered in our Ultimate H2ICE Guide, optimized engines now exceed 50% brake thermal efficiency, rival diesel on fuel economy, and deliver near-zero tailpipe NOx and PM. Yet deployment depends on hydrogen supply reaching €2-2.50/kg, AFIR corridor stations scaling to 500+ public hubs by 2030, and regulatory alignment crediting lifecycle emissions.

Green Steel: Sweden’s SSAB leads commercially. Germany’s Salzgitter and Thyssenkrupp follow with hydrogen-based DRI projects. The EU’s Carbon Border Adjustment Mechanism (CBAM) became operational, reshaping global steel trade around embedded emissions. As explored in our Green Steel and CBAM analysis, market research projects $129 billion to $1.3 trillion by 2030-35. The UK? Still consulting.

Battery Storage: Grid-scale batteries moved rapidly down cost curves. The UK targets 27 GW BESS capacity by 2030. The technology is proven, economics compelling, yet operational rules underuse existing capacity.

2026 UK Energy Priorities – Deployment Acceleration:

  • H2ICE Infrastructure Deployment: Focus AFIR station deployment on commercial vehicle corridors. Coordinate with hydrogen production allocation to ensure supply availability matches vehicle deployment.
  • Green Steel Support Package: Launch UK equivalent of Germany’s industrial cluster support. Provide hydrogen supply contracts at competitive €2-3/kg pricing. Align CBAM compliance systems.
  • Battery Connection Fast-Track: Prioritize strategically located battery storage in connection queue. Focus on constraint boundaries (B6, East Anglia) where curtailment reduction value is highest.
  • Zero-Emission HGV Demonstration Continuation: Government committed funding through UKRI for ZE-HGV demonstrations. Extend beyond March 2026 to support commercial transition.

Theme 6: Decarbonization Became Geopolitics

2025 was the year energy transition stopped being primarily a climate story and became explicitly a strategic competition. Three developments crystallized the shift:

China’s Rare Earths Export Controls: Controls on gallium, germanium, and specific rare earth elements immediately impacted semiconductor, defense, and renewable energy supply chains. China controls ~70% of global mining and over 85% of processing capacity. The West’s response: accelerate domestic mining, build processing capacity outside China, invest in recycling infrastructure, and fund rare-earth-free motor designs.

EU CBAM Operational: The Carbon Border Adjustment Mechanism moved from reporting phase to reshaping global steel, cement, and aluminum trade. European green steel projects secured offtake contracts based on CBAM-driven price premiums. Non-EU producers face tariffs unless decarbonizing.

IMO Shipping Delay: The International Maritime Organization’s failure to agree meaningful carbon pricing exposed the politics-versus-physics tension. As covered in our IMO Shipping Decarbonisation Delay analysis, the result: EU and others proceed unilaterally, fragmenting global maritime regulation.


Ten Critical 2026 UK Energy Priorities – Decision Points

Looking ahead, 2026 will be defined by decisions either made or deferred. These ten priorities determine whether the UK leads or follows:

  1. UK Gas Grid Heating Strategy Consultation: Determines £74bn+ infrastructure investment direction. Decision cannot be deferred again.
  2. HAR2 Contract Awards (Early 2026): First test of scaled hydrogen allocation. Seven times HAR1’s capacity.
  3. EGL1 Delivery Checkpoint: Already 16 months late. Each additional year costs £3.6bn in curtailment.
  4. Clean Power 2030 Progress Review: 95%+ low-carbon target requires 5 GW offshore wind deployment per year versus 1 GW historical average.
  5. UKRI R&D Missions Implementation: £8bn government priority allocation must link to first-of-a-kind deployment, not just research.
  6. NESO Battery Dispatch Reform: Operational changes can deliver £600m+ annual savings immediately.
  7. First Regional H2 Transport/Storage Network FID: £500m+ commitment for networks operational by 2031.
  8. CBAM Transition to Tariffs: Reporting phase ends; financial penalties begin. UK-EU alignment critical.
  9. Hydrogen-to-Power Business Model Launch: De-risks investment in hydrogen-fired power generation.
  10. Innovation Procurement Reform: 30-day payment enforcement, FOAK deployment support, technical judgment embedding.

What 2025 Taught Us About 2026

If there’s a through-line in 2025, it’s this: the energy transition stopped being about technology and started being about economics, policy execution, and strategic coordination.

Hydrogen matured—projects with paying customers advanced, those chasing subsidies failed. AI data centres reshaped industrial land economics. UK policy remained trapped in strategic limbo costing billions annually. Grid curtailment hit £1.5bn while proven battery solutions remained underused. Technologies graduated to commercial readiness, then hit infrastructure and policy barriers. Decarbonization became geopolitics through CBAM, rare earths, and regulatory fragmentation.

The lesson: technology is the easy part. Policy coherence, infrastructure deployment, anchor customer commitments, and regulatory frameworks determine success. In 2025, the winners solved those hard problems. The losers assumed technology alone was enough.

2026 will reveal whether the UK learned the lesson. Denmark committed to gas phase-out with certainty. Germany approved €18.9bn hydrogen networks with risk-sharing. Sweden commercialized green steel. The EU made CBAM operational. China secured rare earths dominance. The UK consulted.

The 2026 UK energy priorities laid out above cannot be deferred. Clean Power 2030 requires 5 GW annual offshore wind deployment starting now. The 10 GW hydrogen target requires 2.5 GW allocation per year. Grid curtailment costs compound toward £8bn without immediate battery dispatch reform and EGL delivery. Innovation ranking decline continues without structural reform linking funding to commercialization.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

2025 Review: 2026 UK Energy Priorities – What Must Happen Now

2025 was the year the energy transition stopped being about technology potential and started being about economic reality. Hydrogen projects with paying customers advanced; those chasing subsidies failed. AI data centres displaced industrial decarbonization. Policy paralysis cost billions. Here’s what happened, why it matters, and what 2026 UK energy priorities must address if Britain is serious about Clean Power 2030, hydrogen deployment, and innovation leadership.


Theme 1: Hydrogen Grew Up—and Not Everyone Survived

The defining hydrogen story of 2025 wasn’t about technology breakthroughs—it was about business model Darwinism. Projects with anchor customers, offtake contracts, and cashflow visibility advanced. Projects built on subsidy hopes and press releases died.

BP’s withdrawal from H2Teesside epitomized the shift. The public narrative blamed an “AI mega-campus,” but the real killer was prosaic: Sabic closed its Olefins 6 cracker, eliminating the £2 billion blue hydrogen project’s anchor customer. Fortescue scrapped two projects. Headlines proclaimed another “hydrogen bubble” burst.

But this wasn’t hydrogen’s death—it was its maturation. The froth burned off. What remains is leaner, more disciplined, and focused on applications that justify infrastructure investment: zero-carbon steelmaking, seasonal renewable storage, and long-haul heavy transport where electrons can’t compete. For detailed analysis of these use cases, see our hydrogen versus battery-electric comparison through 2030.

Meanwhile, green hydrogen projects advanced in Namibia, Saudi Arabia’s Yanbu, and the Gulf—not because economics are perfect today, but because first-movers are building supply chains that will make them perfect tomorrow. Hyphen’s Namibian plant entered FEED. NEOM’s $6.5 billion Air Products offtake sparked shareholder revolt, yet construction continues.

2026 UK Energy Priorities – Hydrogen Deployment:

  • HAR2 Contract Awards (Early 2026): The UK’s Hydrogen Allocation Round 2 targets 875 MW—seven times HAR1’s 125 MW. This is the first real test of whether government can scale hydrogen support beyond demonstration. For detailed policy context, see our UK Hydrogen Policy 2025 analysis.
  • First Regional H2 Transport/Storage Network FID: Government committed £500m+ for regional hydrogen networks operational by 2031. Without transport infrastructure, production capacity is stranded.
  • Hydrogen-to-Power Business Model Launch: Hydrogen-fired power generation needs de-risked investment for Clean Power 2030’s 40-50 GW dispatchable flexibility requirement.
  • Offtake Contract Clarity: Industrial sectors (steel, ammonia, chemicals) must commit to hydrogen purchase agreements. Without demand certainty, supply projects won’t reach FID. The green steel sector is particularly critical here.

The Risk: The 10 GW target requires deploying 2.5 GW per year starting now. HAR1 delivered 125 MW total. The math doesn’t work unless allocation rounds scale 20-fold.

Theme 2: AI Data Centres Won the Land Grab

If hydrogen defined 2025’s losses, AI data centres defined its wins. Hyperscale facilities outbid hydrogen plants, green steel projects, and renewable energy infrastructure for prime industrial sites. The economics are brutal: data centres deliver premium rents, long-term strategic value, and immediate private investment.

Teesside’s rumored £100 billion Google-backed AI campus displaced BP’s hydrogen infrastructure through rent arithmetic. A hyperscale data centre requires gigawatt-scale power with 99.999% uptime. When grid connections take 10-15 years, operators look for alternatives. Enter the gas network—not for heating, but as backup power infrastructure. This dynamic is explored in detail in our UK gas grid strategy analysis.

The irony cuts deep: the displaced hydrogen plant would have produced low-carbon energy for heavy industry. Its replacement increases electricity demand, potentially undermining decarbonization targets. Welcome to 2025, where the path of least resistance beats the path of greatest climate impact.

2026 UK Energy Priorities – Data Centre Integration:

  • Strategic Spatial Energy Plan Implementation: NESO’s spatial planning must guide industrial siting decisions, ensuring data centres locate where grid capacity exists.
  • Grid Connection Queue Reform: Reform must prioritize projects aligned with Clean Power 2030 and industrial strategy, not just those with deepest pockets.
  • Data Centre Energy Efficiency Standards: Mandate best-in-class efficiency, waste heat recovery, and renewable energy procurement.
  • Gas Network Strategy Clarity: The 2026 gas grid strategy must address whether data centre backup power is temporary transition or permanent dependency.

Theme 3: UK Policy Paralysis Cost Billions

British energy and innovation policy spent 2025 trapped in “The Prisoner’s Dilemma”—where rational individual decisions by network operators produce collectively irrational outcomes costing £2-3 billion annually.

The UK gas grid epitomizes the dysfunction. Government simultaneously signals gas phase-out (boiler ban by 2035) while promising “our gas network will always be part of our energy system.” Network operators respond by investing billions in hydrogen blending infrastructure—hedging both scenarios but maximizing consumer costs.

Denmark committed to gas phase-out by 2030 with clear compensation mechanisms. Germany approved an €18.9 billion hydrogen core network with government-backed risk sharing. The Netherlands coordinates gas and electricity TSOs through joint planning. The UK? Endless consultations, contradictory statements, and mounting costs.

Innovation policy showed similar symptoms. The UK slipped from #2 (2015) to #6 (2025) on WIPO’s Global Innovation Index. As explored in our UK Innovation Is Misfiring analysis, the ranking drop is a symptom. The disease is structural: decision-makers without technical expertise, incentives rewarding papers over plants, chronic underinvestment in foundational STEM, and procurement dysfunction.

2026 UK Energy Priorities – Policy Reform:

  • 2026 Heating Strategy Decision: End the gas grid limbo. Either commit to phase-out with compensation OR commit to hydrogen conversion with demand anchor confirmation. Continued indecision costs £2-3 billion per year.
  • HAR3 Launch by Year-End: Maintain hydrogen deployment momentum toward 10 GW target.
  • UKRI R&D Missions Implementation: £38.6 billion 2025-26 UKRI budget must fund first-of-a-kind deployment with customer offtake—not just laboratory research. This mirrors the historical pattern of government funding transformative technologies.
  • Innovation Procurement Reform: Enforce 30-day payment terms. Embed technical operators in major programmes. Treat semiconductors, chemicals, and PNT as strategic infrastructure.

Theme 4: Grid Curtailment—The £1.5 Billion Wake-Up Call

Wind curtailment costs hit £1.5 billion in 2025—up from £1.23 billion in 2024 and £282 million in 2020. Without intervention, projections suggest £8 billion annually by 2030. As detailed in our comprehensive curtailment analysis, the core problem is simple: Scotland’s wind generation exploded faster than transmission capacity to England.

The B6 boundary—the transmission interface between Scotland and England—comprises just two main AC lines plus one HVDC link. When full, Scottish wind must be curtailed (with compensation payments) while gas plants south of the boundary are dispatched (with generation payments). Consumers pay both sides of the transaction through bill levies.

The fastest solution exists but isn’t being used: battery storage. Imperial College research suggests medium-duration storage could save £500 million to £3.5 billion annually. Yet NESO “constraint skips” batteries 90% of the time during constrained periods, choosing more expensive alternatives.

2026 UK Energy Priorities – Grid Optimization:

  • NESO Battery Dispatch Reform: Mandate batteries receive dispatch priority during constraints when they’re the least-cost option. Could deliver £600-800 million annual savings immediately.
  • EGL1/EGL2 Emergency Delivery Focus: Eastern Green Links 1 and 2 are already 16 months late. Each year of delay costs £3.6 billion in curtailment.
  • Demand Flexibility Acceleration: Scale from 24 GW today to 51-66 GW by 2030. Deploy V2G infrastructure targeting 5 GW peak capability.
  • Strategic Hydrogen Deployment: Pair electrolysers with offshore wind targeting 40-50% utilisation. Deploy 2-3 GW behind-the-meter capacity.

Theme 5: Technology Worked; Infrastructure and Policy Lagged

One of 2025’s genuine stories was technologies graduating from laboratory to commercial reality—then hitting deployment barriers that had nothing to do with technical viability.

Hydrogen Internal Combustion Engines (H2ICE): JCB secured EU type approval. Cummins ramped X15H engine production. MAN brought 200 hTGX trucks to market. As covered in our Ultimate H2ICE Guide, optimized engines now exceed 50% brake thermal efficiency, rival diesel on fuel economy, and deliver near-zero tailpipe NOx and PM. Yet deployment depends on hydrogen supply reaching €2-2.50/kg, AFIR corridor stations scaling to 500+ public hubs by 2030, and regulatory alignment crediting lifecycle emissions.

Green Steel: Sweden’s SSAB leads commercially. Germany’s Salzgitter and Thyssenkrupp follow with hydrogen-based DRI projects. The EU’s Carbon Border Adjustment Mechanism (CBAM) became operational, reshaping global steel trade around embedded emissions. As explored in our Green Steel and CBAM analysis, market research projects $129 billion to $1.3 trillion by 2030-35. The UK? Still consulting.

Battery Storage: Grid-scale batteries moved rapidly down cost curves. The UK targets 27 GW BESS capacity by 2030. The technology is proven, economics compelling, yet operational rules underuse existing capacity.

2026 UK Energy Priorities – Deployment Acceleration:

  • H2ICE Infrastructure Deployment: Focus AFIR station deployment on commercial vehicle corridors. Coordinate with hydrogen production allocation to ensure supply availability matches vehicle deployment.
  • Green Steel Support Package: Launch UK equivalent of Germany’s industrial cluster support. Provide hydrogen supply contracts at competitive €2-3/kg pricing. Align CBAM compliance systems.
  • Battery Connection Fast-Track: Prioritize strategically located battery storage in connection queue. Focus on constraint boundaries (B6, East Anglia) where curtailment reduction value is highest.
  • Zero-Emission HGV Demonstration Continuation: Government committed funding through UKRI for ZE-HGV demonstrations. Extend beyond March 2026 to support commercial transition.

Theme 6: Decarbonization Became Geopolitics

2025 was the year energy transition stopped being primarily a climate story and became explicitly a strategic competition. Three developments crystallized the shift:

China’s Rare Earths Export Controls: Controls on gallium, germanium, and specific rare earth elements immediately impacted semiconductor, defense, and renewable energy supply chains. China controls ~70% of global mining and over 85% of processing capacity. The West’s response: accelerate domestic mining, build processing capacity outside China, invest in recycling infrastructure, and fund rare-earth-free motor designs.

EU CBAM Operational: The Carbon Border Adjustment Mechanism moved from reporting phase to reshaping global steel, cement, and aluminum trade. European green steel projects secured offtake contracts based on CBAM-driven price premiums. Non-EU producers face tariffs unless decarbonizing.

IMO Shipping Delay: The International Maritime Organization’s failure to agree meaningful carbon pricing exposed the politics-versus-physics tension. As covered in our IMO Shipping Decarbonisation Delay analysis, the result: EU and others proceed unilaterally, fragmenting global maritime regulation.


Ten Critical 2026 UK Energy Priorities – Decision Points

Looking ahead, 2026 will be defined by decisions either made or deferred. These ten priorities determine whether the UK leads or follows:

  1. UK Gas Grid Heating Strategy Consultation: Determines £74bn+ infrastructure investment direction. Decision cannot be deferred again.
  2. HAR2 Contract Awards (Early 2026): First test of scaled hydrogen allocation. Seven times HAR1’s capacity.
  3. EGL1 Delivery Checkpoint: Already 16 months late. Each additional year costs £3.6bn in curtailment.
  4. Clean Power 2030 Progress Review: 95%+ low-carbon target requires 5 GW offshore wind deployment per year versus 1 GW historical average.
  5. UKRI R&D Missions Implementation: £8bn government priority allocation must link to first-of-a-kind deployment, not just research.
  6. NESO Battery Dispatch Reform: Operational changes can deliver £600m+ annual savings immediately.
  7. First Regional H2 Transport/Storage Network FID: £500m+ commitment for networks operational by 2031.
  8. CBAM Transition to Tariffs: Reporting phase ends; financial penalties begin. UK-EU alignment critical.
  9. Hydrogen-to-Power Business Model Launch: De-risks investment in hydrogen-fired power generation.
  10. Innovation Procurement Reform: 30-day payment enforcement, FOAK deployment support, technical judgment embedding.

What 2025 Taught Us About 2026

If there’s a through-line in 2025, it’s this: the energy transition stopped being about technology and started being about economics, policy execution, and strategic coordination.

Hydrogen matured—projects with paying customers advanced, those chasing subsidies failed. AI data centres reshaped industrial land economics. UK policy remained trapped in strategic limbo costing billions annually. Grid curtailment hit £1.5bn while proven battery solutions remained underused. Technologies graduated to commercial readiness, then hit infrastructure and policy barriers. Decarbonization became geopolitics through CBAM, rare earths, and regulatory fragmentation.

The lesson: technology is the easy part. Policy coherence, infrastructure deployment, anchor customer commitments, and regulatory frameworks determine success. In 2025, the winners solved those hard problems. The losers assumed technology alone was enough.

2026 will reveal whether the UK learned the lesson. Denmark committed to gas phase-out with certainty. Germany approved €18.9bn hydrogen networks with risk-sharing. Sweden commercialized green steel. The EU made CBAM operational. China secured rare earths dominance. The UK consulted.

The 2026 UK energy priorities laid out above cannot be deferred. Clean Power 2030 requires 5 GW annual offshore wind deployment starting now. The 10 GW hydrogen target requires 2.5 GW allocation per year. Grid curtailment costs compound toward £8bn without immediate battery dispatch reform and EGL delivery. Innovation ranking decline continues without structural reform linking funding to commercialization.

Either Britain decides in 2026—gas strategy, hydrogen scaling, grid solutions, innovation reform, industrial decarbonization—or it watches from the sidelines while writing another consultation as competitors monetize technologies we invented but couldn’t deploy.

The energy transition isn’t linear. But the direction is clear. The question for 2026 is whether the UK leads, follows, or becomes an importer of solutions it pioneered.

For ongoing analysis of these critical energy transitions, follow the Field Notes archive.

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