Proposals to build coal-fired plants in China reached a record high in 2025, finds a new study.
The report, released by the Centre for Research on Energy and Clean Air (CREA) and Global Energy Monitor (GEM), says that, in 2025, developers submitted new or reactivated proposals to build a total of 161 gigawatts (GW) of new coal-fired power plants.
The new proposals come even as China’s buildout of renewable energy pushed down coal-power generation and carbon dioxide (CO2) emissions in 2025, meaning many coal plants are already running at just half of their maximum capacity.
The co-authors argue that while clean-energy growth may limit emissions from coal power in the short term, the surge in proposals could lock in new coal assets, “weaken…incentives” for power-system reform and help keep coal capacity online in spite of China’s climate goals.
The high rate of new proposals, the study says, likely reflects a “rush by the coal industry stakeholders” to develop projects before an expected tightening of climate policy in the next five years.
In addition, “misaligned” payment mechanisms are encouraging developers to propose large-scale coal units, which – if developed – could impact the transition of the coal sector from playing the central role in electricity generation to flexibly supporting a system built on clean power.
Significant additions pushing down running hours
The report finds that the amount of new coal-fired power proposals by Chinese developers, including reactivated applications, hit a new peak in 2025, at 161GW. This is equal to 13% of the coal capacity currently online in China.
The country is continuing to add significant coal-power capacity, with a record 95GW added to the grid last year and another 291GW in the pipeline – meaning units that have been proposed, are actively under construction or have already been permitted.
Moreover, around two-thirds of coal-power capacity proposed in China since 2014 has either been commissioned – meaning it has been completed and started operating – or remains in the pipeline, Christine Shearer, report co-author and research analyst at thinktank Global Energy Monitor, tells Carbon Brief.
She adds that this is the “reverse of what we see outside China, where roughly two-thirds of proposed coal capacity never makes it to construction”.
Coal remains a significant part of China’s power mix, making the nation’s electricity sector one of the world’s largest emitters. Indeed, the power sector emitted more than 5.6bn tonnes of carbon dioxide (GtCO2) in 2024 – meaning that if it were its own country, it would have the highest emissions of any country except China itself.
But emissions from the power sector have been flat or falling since March 2024, according to analysis for Carbon Brief by CREA lead analyst Lauri Myllyvirta.
This is largely due to China’s rapid installation of renewable power, which is covering nearly all of new electricity demand and pushing coal generation into decline in 2025.
Some parts of the coal-power pipeline are reflecting this shift. In 2025, construction began on 83GW of new coal capacity – down from 98GW in 2024.
In addition, new permitting fell to a four-year low, at 45GW, which could point to tighter controls on coal-plant approvals in the future, says the report.
The chart below shows the amount of new coal-power capacity being proposed in China each year, in GW.
The shift from new power demand being met by coal to being met by renewable energy means any “additional coal power capacity would face structurally low utilisation”, the report says, referring to the number of hours that plants are able to operate each year.
This reduces coal-plant earnings needed to cover the cost of investment and makes instances of “stranded [coal] assets and compensation pressures” more likely.
A previous analysis for Carbon Brief finds that “larger additions of coal capacity are often followed by falling utilisation” – meaning that the construction of new coal plants does not necessarily increase emissions.
Utilisation rates for coal-fired power plants have hovered around 51% since 2025, according to the CREA and GEM report.
Shearer argues that while low utilisation rates would “dampen the immediate impact on annual CO2 emissions”, in the long-term the buildout “locks capital into fossil fuels” and “weakens incentives to build the cleaner forms of flexibility” needed for a renewables-centred system.
Low utilisation has also not led to coal plant capacity being retired in any notable way, the report notes, with generators instead supported by the coal “capacity payment” mechanism and extending the life of older units.
Delayed retirement of older coal plants causes “persistent overcapacity” and adds to calls for further compensation and policy support, the report says.
Coal generation has “no room to expand” under China’s international climate pledge for 2030, it adds, with utilisation rates for coal units likely to fall to 42% if renewables continue to meet all additional demand and if all of the plants currently under construction or permitted are brought online.
Crunch-time for coal
The surge in new proposals reflects a “rush” by the coal industry to ensure their projects are approved before the policy environment tightens, according to the report.
China is expected to introduce absolute emissions targets over the next five years. While these are expected to be aspirational for the first five years – alongside binding targets for carbon intensity, the emissions per unit of GDP – from 2030 they will be binding.
The current five-year period until 2030 will also likely see most of China’s energy-intensive industries pulled into the scope of its national carbon market.
In the power sector, government officials have said that coal is expected to shift from playing a major role in power supply to supporting “flexibility” operations.
This would require coal plants to shift between varying load levels and respond quickly to changes in demand and other system needs.
However, the report finds, the approvals for coal power “continue to reflect expectations of high operating hours”, instead of flexible operations.
For many of these proposals, planned annual utilisation was stated to be more than 4,800 hours, or 55% of hours in the year. This is greater than the 4,685 utilisation hours (53%) logged in 2023, the year in which the most coal power was generated over the past decade, according to data shared by the report authors with Carbon Brief.
In addition, the report says that many of the new coal-power proposals in 2025 were for “large-scale units”, each representing at least 1GW of power, as shown in the figure below.
These larger units are designed for “stable, continuous operation” and are “poorly suited to the type of flexibility increasingly required in a power system dominated by wind and solar”, says the report.
This suggests that “project developers still anticipated base-load style operation”, it adds, “sitting uneasily” with the fact of higher clean-energy generation and falling coal plant utilisation.
Reliance on sales and subsidies
This persistence in developing large-scale units could be explained by the financial incentives that govern the coal-power industry.
Coal power plants are cheap to build but risk low profits and high costs, with many current operators already facing losses at recent utilisation rates.
In 2024, the government established a capacity payment mechanism for coal-fired power plants. This mechanism rewards developers for adding “seldom-utilised, backup” capacity to the grid.
These capacity payments, as well as regulated pricing and implicit government backing “can make plants viable on paper even if utilisation and operating margins are weak”, Shearer tells Carbon Brief, which may explain the continued appetite for new coal from developers.
More than 100bn yuan ($14bn) in capacity payments were made to coal plants in 2024, although it has not yet had a discernable impact on utilisation.
Large-scale units, the report says, are “particularly well positioned” to benefit from the policy, as it rewards maximising capacity and does not favour plants that are more suited for flexible operations.
(The Chinese government recently announced plans to adjust the mechanism, confirming that in some cases capacity payments could be more than the initial expected threshold of 50% of a benchmark coal plant’s total fixed costs.)
Meanwhile, the report adds that coal-fired power plants continue to earn most of their revenue from selling electricity, with only 5% of total income coming from capacity payments.
As such, these “misaligned incentives” encourage producing power and installing significant new capacity, despite the government’s aim to shift coal to a supporting role in the system.
Shearer tells Carbon Brief that a better approach to flexibility would be to “adopt technology-neutral flexibility standards”, rather than focusing on “flexible coal”, which would mean coal would have to “compete directly with storage, demand response, grid upgrades and other clean options”. She adds:
“The risk of coal-specific flexibility policies is that they lock in capacity rather than solve the underlying system need.”
The post ‘Rush’ for new coal in China hits record high in 2025 as climate deadline looms appeared first on Carbon Brief.
‘Rush’ for new coal in China hits record high in 2025 as climate deadline looms
N.C. Gov. Josh Stein wants state lawmakers to rethink tax breaks for data centers. The industry’s opacity makes it difficult to evaluate costs and benefits.
Tax breaks for data centers in North Carolina keep as much as $57 million each year into from state and local government coffers, state figures show, an amount that could balloon to billions of dollars if all the proposed projects are built.
The Global Environment Facility (GEF), a multilateral fund that provides climate and nature finance to developing countries, has raised $3.9 billion from donor governments in its last pledging session ahead of a key fundraising deadline at the end of May.
The amount, which is meant to cover the fund’s activities for the next four years (July 2026-June 2030), falls significantly short of the previous four-year cycle for which the GEF managed to raise $5.3bn from governments. Since then, military and other political priorities have squeezed rich nations’ budgets for climate and development aid.
The facility said in a statement that it expects more pledges ahead of the final replenishment package, which is set for approval at the next GEF Council meeting from May 31 to June 3.
Claude Gascon, interim CEO of the GEF, said that “donor countries have risen to the challenge and made bold commitments towards a more positive future for the planet”. He added that the pledges send a message that “the world is not giving up on nature even in a time of competing priorities”.
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Donors under pressure
But Brian O’Donnell, director of the environmental non-profit Campaign for Nature, said the announcement shows “an alarming trend” of donor governments cutting public finance for climate and nature.
“Wealthy nations pledged to increase international nature finance, and yet we are seeing cuts and lower contributions. Investing in nature prevents extinctions and supports livelihoods, security, health, food, clean water and climate,” he said. “Failing to safeguard nature now will result in much larger costs later.”
At COP29 in Baku, developed countries pledged to mobilise $300bn a year in public climate finance by 2035, while at UN biodiversity talks they have also pledged to raise $30bn per year by 2030. Yet several wealthy governments have announced cuts to green finance to increase defense spending, among them most recently the UK.
As for the US, despite Trump’s cuts to international climate finance, Congress approved a $150 million increase in its contribution to the GEF after what was described as the organisation’s “refocus on non-climate priorities like biodiversity, plastics and ocean ecosystems, per US Treasury guidance”.
The facility will only reveal how much each country has pledged when its assembly of 186 member countries meets in early June. The last period’s largest donors were Germany ($575 million), Japan ($451 million), and the US ($425 million).
The GEF has also gone through a change in leadership halfway through its fundraising cycle. Last December, the GEF Council asked former CEO Carlos Manuel Rodriguez to step down effective immediately and appointed Gascon as interim CEO.
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New guidelines
As part of the upcoming funding cycle, the GEF has approved a set of guidelines for spending the $3.9bn raised so far, which include allocating 35% of resources for least developed countries and small island states, as well as 20% of the money going to Indigenous people and communities.
Its programs will help countries shift five key systems – nature, food, urban, energy and health – from models that drive degradation to alternatives that protect the planet and support human well-being by integrating the value of nature into production and consumption systems.
The new priorities also include a target to allocate 25% of the GEF’s budget for mobilising private funds through blended finance. This aligns with efforts by wealthy countries to increase contributions from the private sector to international climate finance.
Niels Annen, Germany’s State Secretary for Economic Cooperation and Development, said in a statement that the country’s priorities are “very well reflected” in the GEF’s new spending guidelines, including on “innovative finance for nature and people, better cooperation with the private sector, and stable resources for the most vulnerable countries”.
Aliou Mustafa, of the GEF Indigenous Peoples Advisory Group (IPAG), also welcomed the announcement, adding that “the GEF is strengthening trust and meaningful partnerships with Indigenous Peoples and local communities” by placing them at the “centre of decision-making”.
The post GEF raises $3.9bn ahead of funding deadline, $1bn below previous budget appeared first on Climate Home News.
GEF raises $3.9bn ahead of funding deadline, $1bn below previous budget
Tropical cyclones that rapidly intensify when passing over marine heatwaves can become “supercharged”, increasing the likelihood of high economic losses, a new study finds.
Such storms also have higher rates of rainfall and higher maximum windspeeds, according to the research.
The study, published in Science Advances, looks at the economic damages caused by nearly 800 tropical cyclones that occurred around the world between 1981 and 2023.
It finds that rapidly intensifying tropical cyclones that pass near abnormally warm parts of the ocean produce nearly double – 93% – the economic damages as storms that do not, even when levels of coastal development are taken into account.
One researcher, who was not involved in the study, tells Carbon Brief that the new analysis is a “step forward in understanding how we can better refine our predictions of what might happen in the future” in an increasingly warm world.
As marine heatwaves are projected to become more frequent under future climate change, the authors say that the interactions between storms and these heatwaves “should be given greater consideration in future strategies for climate adaptation and climate preparedness”.
‘Rapid intensification’
Tropical cyclones are rapidly rotating storm systems that form over warm ocean waters, characterised by low pressure at their cores and sustained winds that can reach more than 120 kilometres per hour.
The term “tropical cyclones” encompasses hurricanes, cyclones and typhoons, which are named as such depending on which ocean basin they occur in.
When they make landfall, these storms can cause major damage. They accounted for six of the top 10 disasters between 1900 and 2024 in terms of economic loss, according to the insurance company Aon’s 2025 climate catastrophe insight report.
These economic losses are largely caused by high wind speeds, large amounts of rainfall and damaging storm surges.
Storms can become particularly dangerous through a process called “rapid intensification”.
Rapid intensification is when a storm strengthens considerably in a short period of time. It is defined as an increase in sustained wind speed of at least 30 knots (around 55 kilometres per hour) in a 24-hour period.
There are several factors that can lead to rapid intensification, including warm ocean temperatures, high humidity and low vertical “wind shear” – meaning that the wind speeds higher up in the atmosphere are very similar to the wind speeds near the surface.
Rapid intensification has become more common since the 1980s and is projected to become even more frequent in the future with continued warming. (Although there is uncertainty as to how climate change will impact the frequency of tropical cyclones, the increase in strength and intensification is more clear.)
Marine heatwaves are another type of extreme event that are becoming more frequent due to recent warming. Like their atmospheric counterparts, marine heatwaves are periods of abnormally high ocean temperatures.
Previous research has shown that these marine heatwaves can contribute to a cyclone undergoing rapid intensification. This is because the warm ocean water acts as a “fuel” for a storm, says Dr Hamed Moftakhari, an associate professor of civil engineering at the University of Alabama who was one of the authors of the new study. He explains:
“The entire strength of the tropical cyclone [depends on] how hot the [ocean] surface is. Marine heatwave means we have an abundance of hot water that is like a gas [petrol] station. As you move over that, it’s going to supercharge you.”
However, the authors say, there is no global assessment of how rapid intensification and marine heatwaves interact – or how they contribute to economic damages.
Using the International Best Track Archive for Climate Stewardship (IBTrACS) – a database of tropical cyclone paths and intensities – the researchers identify 1,600 storms that made landfall during the 1981-2023 period, out of a total of 3,464 events.
Of these 1,600 storms, they were able to match 789 individual, land-falling cyclones with economic loss data from the Emergency Events Database (EM-DAT) and other official sources.
Then, using the IBTrACS storm data and ocean-temperature data from the European Centre for Medium-Range Weather Forecasts, the researchers classify each cyclone by whether or not it underwent rapid intensification and if it passed near a recent marine heatwave event before making landfall.
The researchers find that there is a “modest” rise in the number of marine heatwave-influenced tropical cyclones globally since 1981, but with significant regional variations. In particular, they say, there are “clear” upward trends in the north Atlantic Ocean, the north Indian Ocean and the northern hemisphere basin of the eastern Pacific Ocean.
‘Storm characteristics’
The researchers find substantial differences in the characteristics of tropical cyclones that experience rapid intensification and those that do not, as well as between rapidly intensifying storms that occur with marine heatwaves and those that occur without them.
For example, tropical cyclones that do not experience rapid intensification have, on average, maximum wind speeds of around 40 knots (74km/hr), whereas storms that rapidly intensify have an average maximum wind speed of nearly 80 knots (148km/hr).
Of the rapidly intensifying storms, those that are influenced by marine heatwaves maintain higher wind speeds during the days leading up to landfall.
Although the wind speeds are very similar between the two groups once the storms make landfall, the pre-landfall difference still has an impact on a storm’s destructiveness, says Dr Soheil Radfar, a hurricane-hazard modeller at Princeton University. Radfar, who is the lead author of the new study, tells Carbon Brief:
“Hurricane damage starts days before the landfall…Four or five days before a hurricane making landfall, we expect to have high wind speeds and, because of that high wind speed, we expect to have storm surges that impact coastal communities.”
They also find that rapidly intensifying storms have higher peak rainfall than non-rapidly intensifying storms, with marine heatwave-influenced, rapidly intensifying storms exhibiting the highest average rainfall at landfall.
The charts below show the mean sustained wind speed in knots (top) and the mean rainfall in millimetres per hour (bottom) for the tropical cyclones analysed in the study in the five days leading up to and two days following a storm making landfall.
The four lines show storms that: rapidly intensified with the influence of marine heatwaves (red); those that rapidly intensified without marine heatwaves (purple); those that experienced marine heatwaves, but did not rapidly intensify (orange); and those that neither rapidly intensified nor experienced a marine heatwave (blue).
Dr Daneeja Mawren, an ocean and climate consultant at the Mauritius-based Mascarene Environmental Consulting who was not involved in the study, tells Carbon Brief that the new study “helps clarify how marine heatwaves amplify storm characteristics”, such as stronger winds and heavier rainfall. She notes that this “has not been done on a global scale before”.
However, Mawren adds that other factors not considered in the analysis can “make a huge difference” in the rapid intensification of tropical cyclones, including subsurface marine heatwaves and eddies – circular, spinning ocean currents that can trap warm water.
Dr Jonathan Lin, an atmospheric scientist at Cornell University who was also not involved in the study, tells Carbon Brief that, while the intensification found by the study “makes physical sense”, it is inherently limited by the relatively small number of storms that occur. He adds:
“There’s not that many storms, to tease out the physical mechanisms and observational data. So being able to reproduce this kind of work in a physical model would be really important.”
Economic costs
Storm intensity is not the only factor that determines how destructive a given cyclone can be – the economic damages also depend strongly on the population density and the amount of infrastructure development where a storm hits. The study explains:
“A high storm surge in a sparsely populated area may cause less economic damage than a smaller surge in a densely populated, economically important region.”
To account for the differences in development, the researchers use a type of data called “built-up volume”, from the Global Human Settlement Layer. Built-up volume is a quantity derived from satellite data and other high-resolution imagery that combines measurements of building area and average building height in a given area. This can be used as a proxy for the level of development, the authors explain.
By comparing different cyclones that impacted areas with similar built-up volumes, the researchers can analyse how rapid intensification and marine heatwaves contribute to the overall economic damages of a storm.
They find that, even when controlling for levels of coastal development, storms that pass through a marine heatwave during their rapid intensification cause 93% higher economic damages than storms that do not.
They identify 71 marine heatwave-influenced storms that cause more than $1bn (inflation-adjusted across the dataset) in damages, compared to 45 storms that cause those levels of damage without the influence of marine heatwaves.
This quantification of the cyclones’ economic impact is one of the study’s most “important contributions”, says Mawren.
The authors also note that the continued development in coastal regions may increase the likelihood of tropical cyclone damages over time.
Towards forecasting
The study notes that the increased damages caused by marine heatwave-influenced tropical cyclones, along with the projected increases in marine heatwaves, means such storms “should be given greater consideration” in planning for future climate change.
For Radfar and Moftakhari, the new study emphasises the importance of understanding the interactions between extreme events, such as tropical cyclones and marine heatwaves.
Moftakhari notes that extreme events in the future are expected to become both more intense and more complex. This becomes a problem for climate resilience because “we basically design in the future based on what we’ve observed in the past”, he says. This may lead to underestimating potential hazards, he adds.
Mawren agrees, telling Carbon Brief that, in order to “fully capture the intensification potential”, future forecasts and risk assessments must account for marine heatwaves and other ocean phenomena, such as subsurface heat.
Lin adds that the actions needed to reduce storm damages “take on the order of decades to do right”. He tells Carbon Brief:
“All these [planning] decisions have to come by understanding the future uncertainty and so this research is a step forward in understanding how we can better refine our predictions of what might happen in the future.”
The post Marine heatwaves ‘nearly double’ the economic damage caused by tropical cyclones appeared first on Carbon Brief.
Marine heatwaves ‘nearly double’ the economic damage caused by tropical cyclones
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