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China Briefing handpicks and explains the most important climate and energy stories from China over the past fortnight. Subscribe for free here.
Key developments
Emissions fell in first half
POWERING THE TRANSITION: China’s carbon dioxide (CO2) emissions fell 1% year-on-year in the first half of 2025, new analysis for Carbon Brief found, extending a decline that began in March 2024. Power sector emissions fell by 3% during this period, as growth in solar power alone matched the 170 terawatt-hour (TWh) rise in electricity demand, the analysis said. It noted that the sector’s coal use fell 3.4% year-on-year, while gas use increased by 6%. The analysis added that, even if China’s emissions fall in 2025, it will likely miss multiple climate targets this year, such as carbon intensity.
DEMAND UP, PRICES DOWN: Reuters reported that in July, which is not covered in the Carbon Brief analysis, China’s fossil-fuelled power generation “rose 4.3%…from a year earlier”, due to high cooling demand. Extreme heat continued to push power demand to new highs in early August, China Energy News said, with China seeing record demand continuously over 4-6 August. At one point demand reached 1,233 gigawatts, it added. Business news outlet Caixin reported that, despite this, power was “actually getting cheaper in some regions”, driven by the “growing share of renewables in the power mix”.

‘SHORT-TERM SHOCKS’: Extreme heat, heavy rains and floods “caused short-term shocks to economic operations”, Singapore-based outlet Lianhe Zaobao quoted a government official as saying. “Bad weather” specifically affected “steel and coal output”, according to Bloomberg, with the coal industry “also contending with government inspections”. The government will allocate 100bn yuan ($14bn) to “support businesses hit by natural disasters”, Reuters said.
PETROCHEMICALS RISING: The only major sector that saw growth in emissions during the first half of 2025 was the chemicals sector, the Carbon Brief analysis said, rising around 47% year-on-year. At least one segment of the industry is “set to expand by almost half between now and 2028”, Reuters cited a representative of oil giant Sinopec as saying. Meanwhile, state news agency Xinhua said Sinopec is “promoting the construction of a Beautiful China through the development of a beautiful petrochemical industry”.
Clean-tech exports stayed strong
OVERSEAS GROWTH: China’s exports of clean-energy technologies “rose further in July”, Caixin said, with Chinese lithium-ion battery and electric vehicle (EV) exports in the first seven months of 2025 rising around 26% year-on-year, by value. Solar cell exports also rose 54% in terms of volume over this period, it noted, although by value they “fell 23%”. Industry outlet PV Magazine said that China’s exports of solar cells and wafers had “increased significantly”, but that exports of panels declined. Meanwhile, the government has held its second meeting in two months with solar industry representatives on curbing overcapacity, Reuters said. Elsewhere, the Hong Kong-based South China Morning Post (SCMP) covered new research finding that, in 2024, Chinese EV companies invested more overseas than they did in China “for the first time”.
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‘PRAGMATIC’ ON CLIMATE: Chinese ambassador to the UK Zheng Zeguang argued China and the UK should work “more closely” to address climate change, in a Guardian commentary. (Zheng has also become China’s first permanent representative to the London-based International Maritime Organization, according to Xinhua.) In response to an article by UK government adviser Chris Stark saying that the UK should join China in becoming an “electrostate”, the Global Times published an editorial saying the UK’s energy transition “hinges on pragmatic cooperation” with China. Meanwhile, President Xi Jinping said China and Brazil should “ensure the success” of COP30, Xinhua reported.
CHINA’S SECURITY CONCERNS: China’s third-largest hydropower station has “fully transitioned away” from using western-made chips due to “national security and supply chain resilience concerns”, SCMP reported. The government also issued a notice on “strengthening” supervision of smart EVs, International Energy Net said, including software updates. China’s exports of permanent magnets and other rare-earth products “extended their recovery in July”, Bloomberg said, with export volumes rising 69% from a month earlier. The country is also warning foreign companies not to “stockpile rare earths and derived products such as magnets”, the Financial Times reported.
National ecology day
GREEN TO GOLD: China must “adopt green development approaches to grow our mountains of gold and silver”, Premier Li Qiang said, according to energy news outlet International Energy Net, at an event marking national ecology day. The event was also held on the 20th anniversary of President Xi Jinping’s speech in Zhejiang province, in which he emphasised that “lucid waters and lush mountains are invaluable assets”. [Read more on Xi’s “two mountains” theory in this analysis by Carbon Brief.] Li added that China must “steadily promote the green and low-carbon transformation of industries” and “collaborate with all parties to…address climate change”, it said.
OFFICIALS SPEAK: Speaking a few days earlier, Chinese climate envoy Liu Zhenmin told a conference that “green and low-carbon innovation… [is] the new engine driving global economic growth”, the state-run newspaper China Daily reported, adding that he “attributed much of [China’s energy] transformation to the ‘two mountains’ theory”. National Development and Reform Commission head Zheng Shanjie wrote an essay on the theory for the ideological journal Research on Xi Jinping Economic Thought, saying China must “coordinate efforts to reduce carbon emissions, mitigate pollution, expand green spaces and promote economic growth”. Environment minister Huang Runqiu also said this in a speech broadcasted by the Communist party-affiliated newspaper People’s Daily, adding that the tasks “may seem independent, but are actually closely interconnected”.
MEDIA REACTIONS: State media also issued commentaries on the theory, with the People’s Daily publishing a “Ren Ping” commentary – a byline indicating the article reflects party leaders’ views – saying it is a “beacon” for “global green development”. A People’s Daily commentary under the byline He Yin – which similarly signals that the article reflects party leaders’ views on international affairs – said the theory “contributes Chinese wisdom and solutions to building a clean and beautiful world”. An editorial in the state-supporting Global Times said: “Especially at a time when climate change is an urgent global challenge, [the theory] is timely, visionary and inspiring.”
Draft policies and pilot projects
COUNTING CARBON: The Ministry of Ecology and Environment (MEE) issued four more draft methodologies for China’s voluntary carbon market, three of which address “gas recovery and utilisation” from oil- and gas-fields, BJX News reported. The MEE also published a draft revision to guidelines for provincial greenhouse gas inventories that aims to “enhance the scientific rigour, standardisation and practicality” of compiling the documents, another BJX News article said. Meanwhile, China will also develop “national carbon measurement centres” to help support the development of carbon measurement capabilities, finance outlet EastMoney said.
‘GREEN FUELS’: Meanwhile, China has established nine pilot projects to develop “green fuels” including ammonia, methanol and ethanol, finance news outlet Yicai said, adding that many of the projects use “green hydrogen as a raw material to produce” the chemicals. Separately, China’s National Energy Administration (NEA) said in a statement that it placed “great importance on the development of green liquid fuels”, with co-firing in coal-fired power plants an “important pathway…to achieve low-carbon development”, BJX News reported. According to another BJX News article, the NEA also said it attached “great importance” to the gas-power industry and would continue to plan new “peak-shaving gas-fired power plants”.
OTHER POLICIES: Elsewhere, the NEA released draft guidelines for “assessing the capacity of power grids to accommodate distributed power sources”, BJX News said. Guangdong has become the first province in China to “recognise greenhouse gas emissions quotas as legal collateral for loans”, Yicai reported. Xinhua reported that the China Consumer Association has issued draft guidelines for “green consumption” that explore how “every green consumption choice can contribute to significant emission reduction effects”.
Spotlight
Guest spotlight: How China could decarbonise its cement industry
China could use a “whole-of-system” approach to decarbonise its cement industry, according to a report released today by thinktank Climate Analytics.
In this issue, report author James Bowen, Climate Analytics climate and energy policy analyst, examines how China could reduce the sector’s country-sized emissions.
China’s challenge in managing the carbon dioxide (CO2) emissions accompanying its economic rise is best illustrated by cement.
From about 200m tonnes (Mt) in 1990, Chinese cement production – almost all of which is domestically consumed – climbed to 2.5bn tonnes (Gt) in 2014 and has remained near this level for about a decade.
Its cement sector now emits more than the entire economies of all but three countries other than China itself – more than 1.2bn tonnes of CO2 (GtCO2) a year.
Cement decline significant but not enough for 1.5C
China’s main cement emissions challenge is that it continues to use far more cement and cement products per person than most countries.
Cement demand is now entering sustained decline as China’s economy restructures. Based on current trends, national production could drop below 1Gt by 2050.
But analysts have estimated that in addition to cutting demand – potentially even further than expected by 2050 – the emissions per unit of production would also need to fall, to align with the goals of the Paris Agreement.
Specifically, they estimate that emissions per unit would need to fall to around 360kg of CO2 per tonne by 2030 and 55-90kg by 2050. If each tonne of future Chinese cement continues to generate about 550kg of CO2, as at present, then the sector will remain well off this pace.
This task is formidable. Cement is an inexpensive, high-performance building material with widely available feedstocks.
About 90% of its emissions come from producing clinker – a key ingredient.

Unavoidable process emissions account for the majority of these emissions. But producers globally have also not yet managed to eliminate the remainder of clinker emissions, which result from heating cement kilns.
Cement’s emissions intensity in China has also rebounded since 2015, driven by new restrictions on cement with lower clinker content, due to quality concerns.
Many areas of past emissions-reduction success in China’s cement sector, such as energy efficiency, are approaching their technical limits.
These challenges help explain why carbon capture, utilisation and storage (CCUS) remains prominent in cement net-zero roadmaps globally.
But CCUS remains expensive and underperforming, given relatively little improvement in learning rates and related cost reductions. Plans to deploy CCUS therefore present a risk of diverting attention from cheaper and more effective abatement options – or failing to deliver as expected. This could sustain considerable mid-century residual emissions, jeopardising net-zero goals.
A ‘whole-of-system’ approach
An alternative “whole-of-system” approach could help China meet its cement emissions challenge more cheaply, without relying so heavily on the promise of CCUS.
This could include enhanced cement demand reduction, such as by extending building lifespans; optimising how concrete is designed and used; using alternative materials – such as timber – where appropriate; and reducing and reusing construction waste.
It could also include accelerating uptake of lower-carbon production technologies, such as alternative cement kiln fuels, electrified kiln heating, as well as low-clinker and alternative binder cements.
A wide range of policy support could advance this whole-of-system approach, including by ensuring a just transition for cement workers and impacted communities.
China has said it is working to include cement in the national emissions trading system (ETS) by 2027.
China could also incentivise companies to use less clinker by adopting a cement-based ETS benchmark, rather than a clinker benchmark, which has encouraged EU firms to continue using the carbon-intensive material under the region’s own ETS.
China could also displace coal from kiln heating, by adopting European-like measures to encourage the use of biomass or waste-derived fuels.
Meanwhile, reform in areas including industry standards, finance, market access and research and development could accelerate adoption of other low-emissions technologies and processes.
Watch, read, listen
WINNING ON STEEL?: China is gradually putting the conditions in place to become a world leader in developing low-carbon steel, according to Canary Media.
TRANSMISSION OMISSION: Jiemian explored how limited transmission capacity and “pricing discrepancies” is hampering China’s development of sending low-carbon power across provinces.
CHINA’S RISE: The Asia Society broadcasted a panel event from its summer summit discussing the factors behind China’s rise as a leader in new-energy and other technologies.
INDUSTRIAL DECARBONISATION: The Institute for Global Decarbonization Progress assessed key steps for improving China’s ability to tackle industrial emissions through zero-carbon industrial parks, informed by an expert dialogue.
15
The number of people who died during flooding in northern China’s Gansu province in early August, China Daily reported.
13
The death toll of flooding this week in Inner Mongolia, another northern province, according to Reuters.
New science
Increasing tropical cyclone residence time along the Chinese coastline driven by track rotation
npj Climate and Atmospheric Science
Tropical cyclones now spend “substantially” more time travelling along China’s coastal regions than they did in the 1980s, according to new research. The study found that tropical cyclones travelling along the coast of China have “become more parallel to the coastline since the 1980s” and the amount of time they spend travelling along the Chinese coast has increased by 2.5 hours per decade during this period. It added that these changes have “led to prolonged durations of heavy rainfall in the coastal regions”.
Resources, Conservation and Recycling
A new study estimated that the average carbon intensity of the electricity used in China fell from 983 grams of carbon dioxide per kilowatt-hour (gCO2/kwh) in 1997 to 545gCO2/kwh in 2022, “cumulatively avoiding 15.8bn tonnes of potential CO2 emissions”. The study used electric-generating unit level data and decomposition analysis to evaluate the effects of different decarbonisation policies on power plants. It found that changes to the fuel mix in China’s coal-fired power plants, reductions in the amount of heat energy needed to generate electricity and deployment of large-sized plants contributed most to reducing carbon emissions.
China Briefing is compiled by Wanyuan Song and Anika Patel. It is edited by Wanyuan Song and Dr Simon Evans. Please send tips and feedback to china@carbonbrief.org
The post China Briefing 21 August 2025: China’s CO2 decline; ‘Two mountains’; China’s cement challenge appeared first on Carbon Brief.
China Briefing 21 August 2025: China’s CO2 decline; ‘Two mountains’; China’s cement challenge
Climate Change
Maryland Passes Energy Bill That Delivers Short-Term Relief, Locks Ratepayers into Long-Term Nuclear Subsidy
Advocates say Maryland lawmakers passed consequential energy proposals without adequate analysis or public debate during the 2026 session.
Maryland lawmakers’ new solution for rising utility bills reduces a surcharge funding an effective energy-efficiency program, offers rebates by raiding the state’s clean energy fund and includes subsidies for nuclear power that advocates say may prove costly over time.
Climate Change
To avoid COP mistakes, Santa Marta conference must be shielded from fossil fuel influence
Rachel Rose Jackson is a climate researcher and international policy expert whose work involves monitoring polluter interference at the UNFCCC and advancing pathways to protect against it.
Next week, dozens of governments will gather in the Colombian city of Santa Marta for a conference on transitioning away from fossil fuels.
The conference is a first of its kind, in name and in practice. It’s a welcome change to see a platform for global climate action actually acknowledge the primary cause of the climate crisis – fossil fuels. This sends a clear message about what needs to be done to avoid tumbling off the climate cliff edge we are precariously balancing on.
The agenda set for governments to hash out goes further than any other multilateral space has managed to date. Over the week, participants will discuss how to overcome the economic dependence on fossil fuels, transform supply and demand, and advance international cooperation to transition away from fossil fuels.
Alongside the conference, academics, civil society, movements and others are convening to put forward their visions of a just and forever fossil fuel phase out. The conference can help shape pathways and tools governments can use to achieve a fossil-fuel-free future, particularly if the dialogue begins with an honest assessment of “fair shares.”
This means assessing who is most responsible for emissions and exploring truer means of international collaboration that can unlock the technology, resources and finances necessary for a just transition.
Fossil fuel-driven violence is spiraling in places like Palestine, Iran, and Venezuela. Climate disasters are causing billions and billions of dollars in damage annually with no climate reparations in sight. All of this remains recklessly unaddressed on account of corporate-funded fascism.
We know the world’s addiction to fossil fuels must end. Is it surprising that a global governmental convening chooses now to try to tackle fossil fuels? It shouldn’t be, but it is.
COP failures
By contrast, meetings of governments signed up to the longest-standing multilateral forum for climate action—the United Nations Framework Convention on Climate Change (UNFCCC) – took nearly three decades before it officially responded to the power built by movements and acknowledged the need to address fossil fuel use at COP28 in 2023.
Even then, this recognition came riddled with loopholes. It may seem illogical that a forum established by governments in 1992 to coordinate a response to climate change should take decades to acknowledge the root of the problem. Yet there are clear reasons why arenas like the UNFCCC have consistently failed to curb fossil fuels decade after decade.
What would the outcome be when a fossil fuel executive literally oversaw COP28 and when Coca-Cola was one of the sponsors for COP27?
How can strong action take hold when, year after year, the UNFCCC’s COPs are inundated with thousands of fossil fuel lobbyists?
And how can justice be achieved when there are zero safeguards in place to protect against the conflicts of interest these polluters have?
Colombia pledges to exit investment protection system after fossil fuel lawsuits
Justly transitioning off fossil fuels cannot be charted when the very actors that have knowingly caused the climate crisis are at the helm—the same actors that consistently spend billions to spread denial and delay.
Unless platforms like the UNFCCC take concerted action to protect climate policymaking from the profit-at-all-costs agenda of polluters, the world will not deliver the climate action people and the planet deserve.
The impacts of climate action failure are now endured on a daily basis in some way by each of us – and especially by frontline communities, Indigenous Peoples, youth, women, and communities in the Global South. We must be closing gaps and unlocking pathways for advancing the strongest, fairest and fastest action possible.
Learn from mistakes
Yet, as we chase a fossil-fuel-free horizon, it’s essential that we learn from the mistakes of the past. We do not have the luxury or time to repeat them. History shows us we must protect against the polluting interests that want the world addicted to fossil fuels for as long as humanly possible.
We must also reject their schemes that undermine a just transition—dangerous distractions like carbon markets and Carbon Capture Utilisation and Storage (CCUS) that are highly risky and spur vast harm, all while allowing for polluters to continue polluting.
Fossil Free Zones can be on-ramps to the clean energy transition
We get to a fossil-fuel-free future by following the leadership of the movements, communities and independent experts who hold the knowledge and lived experience to guide us there.
We succeed by protecting against those who have a track record of prioritising greed over the sacredness of life.
And we arrive at a world liberated from fossil fuels by doing all of these things from day one, before the toxicity of the fossil fuel industry’s poison takes hold.
If this gathering in Santa Marta can do this, then it can help set a new precedent for what people-centered and planet-saving climate action looks like. When everything hangs in the balance, there can be no if’s, and’s, or but’s. There’s only here and now, what history shows us must be done, and what we know is lost if we do not.
The post To avoid COP mistakes, Santa Marta conference must be shielded from fossil fuel influence appeared first on Climate Home News.
To avoid COP mistakes, Santa Marta conference must be shielded from fossil fuel influence
Climate Change
Q&A: How the UK government aims to ‘break link between gas and electricity prices’
The UK government has announced a series of measures to “double down on clean power” in response to the energy crisis sparked by the Iran war.
The conflict has caused a spike in fossil-fuel prices – and the high cost of gas is already causing electricity prices to increase, particularly in countries such as the UK.
In response, alongside plans to speed the expansion of renewables and electric vehicles, the UK government says it will “move…to break [the] link between gas and electricity prices”.
Ahead of the announcement, there had been speculation that this could mean a radical change to the way the UK electricity market operates, such as moving gas plants into a strategic reserve.
However, the government is taking a more measured approach with two steps that will weaken – but not completely sever – the link between gas and electricity prices.
- From 1 July 2026, the government will increase the “electricity generator levy”, a windfall tax on older renewable energy and nuclear plants, using part of the revenue to limit energy bills.
- The government will encourage older renewable projects to sign fixed-price contracts, which it says will “help protect families and businesses from higher bills when gas prices spike”.
There has been a cautious response to the plans, with one researcher telling Carbon Brief that it is a “big step in the right direction in policy terms”, but that the impact might be “relatively modest”.
Another says that, while the headlines around the government plans “suggest a decisive shift” in terms of “breaking the link” between gas and power, “the reality is more incremental”.
- Why are electricity prices linked to gas?
- What is the government proposing?
- What is not being proposed?
- What will the impact be?
Why are electricity prices linked to gas?
The price of electricity is usually set by the price of gas-fired power plants in the UK, Italy and many other European markets.
This is due to the “marginal pricing” system used in most electricity markets globally.
(For more details of what “marginal pricing” means and how it works, see the recent Carbon Brief explainer on why gas usually sets the price of electricity and what the alternatives are.)
As a result, whenever there is a spike in the cost of gas, electricity prices go up too.
This has been illustrated twice in recent years: during the global energy crisis after Russia invaded Ukraine in 2022; and since the US and Israel attacked Iran in February 2026.
Notably, however, the expansion of clean energy is already weakening the link between gas and electricity, a trend that will strengthen as more renewables and nuclear plants are built.
The figure below shows that recent UK wholesale electricity prices have been lower than those in Italy, as a result of the expansion of renewable sources.
The contrast with prices in Spain is even larger, where thinktank Ember says “strong solar and wind growth [has] reduced the influence of expensive coal and gas power”.

The share of hours where gas sets the price of power on the island of Great Britain (namely, England, Scotland and Wales) has fallen from more than 90% in 2021 to around 60% today, according to the Department of Energy Security and Net Zero (DESNZ). (Northern Ireland is part of the separate grid on the island of Ireland.)
This is largely because an increasing share of generation is coming from renewables with “contracts for difference” (CfDs), which offer a fixed price for each unit of electricity.
CfD projects are paid this fixed price for the electricity they generate, regardless of the wholesale price of power. As such, they dilute the impact of gas on consumer bills.
The rise of CfD projects means that the weeks since the Iran war broke out have coincided with the first-ever extended periods without gas-fired power stations in the wholesale market.
This shows how, in the longer term, the shift to clean energy backed by fixed-price CfDs will almost completely sever the link between gas and electricity prices.
The National Energy System Operator (NESO) estimated that the government’s target for clean power by 2030 could see the share of hours with prices set by gas falling to just 15%.
What is the government proposing?
For now, however, about one-third of UK electricity generation comes from renewable projects with an older type of contract under the “renewables obligation” scheme (RO).
It is these projects that the new government proposals are targeting.
The government hopes to move some of these projects onto fixed-price contracts, which would no longer be tied to gas prices, further weakening the link between gas and electricity prices overall.
When RO projects generate electricity, they earn the wholesale price, which is usually set by gas power. In addition, they are paid a fixed subsidy via “renewable obligation certificates” (ROCs).
This means that the cost of a significant proportion of renewable electricity is linked to gas prices. Moreover, it means that, when gas prices are high, these projects earn windfall profits.
In recognition of this, the Conservative government introduced the “electricity generator levy” (EGL) in 2022. Under the EGL, certain generators pay a 45% tax on earnings above a benchmark price, which rises with inflation and currently sits at £82 per megawatt hour (MWh).
The tax applies to renewables obligation projects and to old nuclear plants.
The current government will now increase the rate of the windfall tax to 55% from 1 July 2026, as well as extending the levy beyond its previously planned end date in 2028.
It says it will use some of the additional revenue to “support businesses and households with the impacts of the conflict in the Middle East on the cost of living”. Chancellor Rachel Reeves said:
“This ensures that a larger proportion of any exceptional revenues from high gas prices are passed back to government, providing a vital revenue stream so that money is available for government to support businesses and families with the impacts of the conflict in the Middle East.”
The increase in the windfall tax may also help to achieve the government’s second aim, which is to persuade older renewable projects to accept new fixed-price contracts.
Reeves made this aim explicit in her comments to MPs, saying the higher levy “will encourage older, low-carbon electricity generators, which supply about a third of our power, to move from market pricing to fixed-price contracts for difference”.
(This is an adaptation of a proposal for “pot zero” fixed-price contracts, made by the UK Energy Research Centre (UKERC) in 2022, see below for more details.)
As with traditional CfDs, the new fixed-price contracts would not be tied to the price of gas power. Instead of earning money on the wholesale electricity market, these generators would take a fixed-price “wholesale CfD”. In addition, they would be exempted from the windfall tax and would continue to receive their fixed subsidy via ROCs.
The government says this will be voluntary. It will offer further details “in due course” and will then consult on the plans “later this year”, with a view to running an auction for such contracts next year.
It adds: “Government will only offer contracts to electricity generators where it represents clear value for money for consumers.”
(It is currently unclear if the proposals for new fixed-price contracts would also apply to older nuclear plants. Last month, the government said it intended to “enable existing nuclear generating stations to become eligible for CfD support for lifetime-extension activities”.)
What is not being proposed?
Contrary to speculation ahead of today’s announcement, the government is not taking forward any of the more radical ideas for breaking the link between gas and electricity prices.
Many of these ideas had already been considered in detail – and rejected – during the government’s “review of electricity market arrangements” (REMA) process.
This includes the idea of creating two separate markets, one “green power pool” for renewables and another for conventional sources of electricity.
It also includes the idea of operating the market under “pay as bid” pricing. This has been promoted as a way to ensure that each power plant is only paid the amount that it bid to supply electricity, rather than the higher price of the “marginal” unit, which is usually gas.
However, “pay as bid” would have been expected to change bidding behaviour rather than cutting bills, with generators guessing what the marginal unit would have been and bidding at that level.
Finally, the government has also not taken forward the idea of putting gas-fired power stations in a strategic reserve that sits outside the electricity market.
Last year, this had been proposed jointly by consultancy Stonehaven and NGO Greenpeace. In March, they shared updated figures with Carbon Brief showing that – according to their analysis – this could have cut bills by a total of around £6bn per year, or about £80 per household.
However, some analysts argued that it would have distorted the electricity market, removing incentives to build batteries and for consumers to use power more flexibly.
What will the impact be?
The government’s plan for voluntary fixed-price contracts has received a cautious response.
UKERC had put forward a similar proposal in 2022, under which older nuclear and renewable projects would have received a fixed-price “pot zero” CfD.
(This name refers to the fact that CfDs are given to new onshore wind and solar under “pot one”, with technologies such as offshore wind bidding into a separate “pot two”.)
In April 2026, UKERC published updated analysis suggesting that its “pot zero” reforms could have saved consumers as much as £10bn a year – roughly £120 per household.
Callum McIver, research fellow at the University of Strathclyde and a member of the UKERC, tells Carbon Brief that the government proposals are a “big step in the right direction in policy terms”.
However, he says the “bill impact potential is lower” than UKERC’s “pot zero” idea, because it would leave renewables obligation projects still earning their top-up subsidy via ROCs.
As such, McIver tells Carbon Brief that, in his view, the near-term impact “could be relatively modest”. Still, he says that the idea could “insulate electricity prices” from gas:
“The measures are very welcome and, with good take-up, they have the potential to insulate electricity prices further from the impact of continued or future gas price shocks, which should be regarded as a win in its own right.”
In a statement, UKERC said the government plan “stops short of the full pot-zero proposal, since it will leave the RO subsidy in place”. It adds:
“This makes the potential savings smaller, but it will break the link with gas prices. The devil will be in the detail, but provided the majority of generators join the scheme, most of the UK’s power generation fleet will have a price that is not related to the global price of gas.”
Marc Hedin, head of research for Western Europe and Africa at consultancy Aurora Energy Research, tells Carbon Brief that, while the headlines “suggest a decisive shift” in terms of “breaking the link” between gas and power, “the reality is more incremental”. He adds:
“In principle, moving a larger share of generation onto fixed prices would reduce consumers’ exposure to gas‑driven price spikes and aligns well with the direction already taken for new build [generators receiving a CfD].”
However, he cautioned that “poorly calibrated [fixed] prices would transfer value to generators at consumers’ expense, while overly aggressive pricing could result in low participation”.
In an emailed statement, Sam Hollister, head of UK market strategy for consultancy LCP, says that the principle of the government’s approach is to “bring stability to the wholesale market and avoid some of the disruption that a more radical break might have caused”.
However, he adds that the reforms will not “fundamentally reduce residential energy bills today”.
Johnny Gowdy, a director of thinktank Regen, writes in a response to the plans that while both the increased windfall tax and the fixed-price contracts “have merit and could save consumers money”, there were also “pitfalls and risks” that the government will need to consider.
These include that a higher windfall tax could “spook investors”. He writes:
“A challenge for policymakers is that, while the EGL carries an investment risk downside, unless there is a very significant increase in wholesale prices, the tax revenue made by the current EGL could be quite modest.”
Gowdy says that the proposed fixed-price contracts for older renewables “is not a new idea, but its time may have come”. He writes:
“It would offer a practical way to hedge consumers and generators against volatile wholesale prices. The key challenge, however, is to come up with a strike price that is fair for consumers and does not lock future consumers into higher prices, given that we expect wholesale prices to fall over the coming decade.”
Gowdy adds that it might be possible to use the scheme as a way to support “repowering”, where old windfarms replace ageing equipment with new turbines.
On LinkedIn, Adam Bell, partner at Stonehaven and former head of government energy policy, welcomes the principle of the government’s approach, saying: “The right response to yet another fossil fuel crisis is to make our economy less dependent on fossil fuels.”
However, he adds on Bluesky that the proposals were “unlikely to reduce consumer bills”. He says this is because they offered a weak incentive for generators to accept fixed-price contracts.
The post Q&A: How the UK government aims to ‘break link between gas and electricity prices’ appeared first on Carbon Brief.
Q&A: How the UK government aims to ‘break link between gas and electricity prices’
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