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After all-night talks, governments at COP30 agreed on Saturday to launch limited initiatives to strengthen emissions-cutting plans, as well as tripling finance to help poor countries cope with worsening climate change impacts by 2035. But the Amazon summit’s outcomes fell short on the global transition away from oil, gas and coal.

In an effort to deliver something on fossil fuels, the Brazilian presidency complemented the final Belém package by promising to create roadmaps on transitioning away from fossil fuels and protecting forests – as requested by Brazilian President Lula da Silva.

Brazil tabled its roadmap proposal at the eleventh hour as a compromise solution after some nations – especially European and Latin American states – voiced disappointment that a formal deal was not reached on one after strong pushback from large fossil fuel producers led by Saudi Arabia. 

Brazil’s roadmap process will sit outside the UN climate regime. It will be supported by other countries such as Colombia, which is organising the first global conference on the issue, said COP30 president André Aranha Corrêa do Lago. He added that he will also craft a second roadmap to halt and reverse deforestation and report back to the COP on them both.

“We know some of you had greater ambition for some of the issues at hand,” Corrêa do Lago told a closing plenary. “I will try not to disappoint you.”

    After week-long row, COP30 fails to mention fossil fuels

    After more than 80 countries called for a roadmap to phase down oil, coal and gas to be kickstarted at COP30, observers said fossil fuel heavyweights, including Gulf States, Russia and India, had insisted it stay out of the final Global Mutirão decision adopted in Belém, along with any explicit mention of fossil fuels.

    On Friday, the European Union and the UK had fought hard against that opposition but ultimately had to settle for two new processes that are meant to reinforce ambition and implementation of countries’ national climate plans (NDCs), with reports and a high-level dialogue due next year.

    Before the final plenary, EU Climate Commissioner Wopke Hoekstra said it had been “an intense and sometimes difficult week and evening”, adding “we would have liked to have more”. But, he said, “we think we should support [the COP outcome] because at least it is going in the right direction.”

    The Mutirão text encourages countries ”to strengthen their existing nationally determined contribution at any time with a view to enhancing its level of ambition” and calls on them to accelerate their implementation “while striving to do better collectively and cooperatively”.

    In a last-minute push, Colombia – which championed a declaration to transition away from oil, coal and gas – told the closing plenary the country was “left with no other choice” but to object to the outcome of the dedicated mitigation track on emission-cutting efforts unless a mention to fossil fuels was added. After the presidency tried to dismiss concerns, Colombia insisted and the plenary was suspended.

    The Colombian delegate calls for the inclusion of fossil fuels in the final decision. Photo: UN Climate Change – Kiara Worth

    The Colombian delegate calls for the inclusion of fossil fuels in the final decision. Photo: UN Climate Change – Kiara Worth

    Developed countries – especially the EU – had felt isolated in their push for stronger language on emission-cutting measures after failing to win vocal support from traditional allies such as the Alliance of Small Island States (AOSIS) and the Least Developed Countries (LDCs).

    That was mainly because of Europe’s inability to make a compelling offer on finance for adaptation, negotiators and observers said.

    “Adaptation COP” triples finance for climate resilience

    A demand from the world’s poorest nations to triple adaptation finance was agreed, but only by a deadline of 2035 rather than 2030, and without a clear number.

    However, the main Mutirão decision urges developed countries to increase their collective provision of climate finance for adaptation to the Global South. It also sets up a two-year process on climate finance as well as a high-level ministerial roundtable to discuss progress towards meeting the new climate finance goal agreed last year at COP29.

    That COP29 goal sets a target for rich nations to provide $300 billion a year for climate action by 2035 – and the tripling of adaptation finance decided in Belem will be part of this, as the EU had insisted.

    “It is very clear that we should stand shoulder to shoulder with the poorest nations,” the EU’s climate chief Wopke Hoekstra said before the final conference session began.

    Poorest countries appeal for more adaptation finance at COP30

    Some African ministers gave the outcome on adaptation finance a cautious welcome. But many countries – including the EU, some Latin American states, Switzerland and Canada – were angry about a text that adopted indicators to measure progress on adaptation efforts.

    They made interventions rejecting the decision on a new Global Goal on Adaptation (GGA) – expected to be a flagship outcome at this COP – which included a rewritten and shortened list of metrics to measure progress on climate resilience originally developed by technical experts.

    Jiwoh Abdulai, environment minister of Sierra Leone, said they had worked tirelessly to craft a set of indicators that would reflect “lived realities” on the ground, but are now left with “unclear, unmeasurable and – in many cases – unusable” ones.

    “For us, this is not technical, this is about our survival,” he added before the plenary was suspended.

    COP30 President Andre Correa do Lago in consultations after the closing plenary was suspended. Photo: Ueslei Marcelino/COP30

    COP30 President Andre Correa do Lago in consultations after the closing plenary was suspended. Photo: Ueslei Marcelino/COP30

    Trade and just transition land wins in Belém deal

    As the Belem political package was adopted to muted applause from countries, campaigners at the back of the room whooped with joy as the conference approved a decision on just transition.

    They and developing countries had swung behind a new “Belém Action Mechanism”, intended to serve as a hub to support countries in taking concrete steps to ensure their shift from dirty to clean energy systems is fair and equitable.

    The Mutirão decision also includes trade, another key issue that was not on the official negotiating agenda, along with long-term climate finance and the gap in emissions-cutting ambition.

    Annual dialogues will take place at the next three mid-year Bonn sessions on boosting international cooperation on trade – an emerging economy priority in the context of a carbon levy on imports proposed by the EU.

    COP31 will be hosted by Türkiye but run by Australia

    Experts said the inclusion of trade in a COP decision was a big win for China. “For the first time, trade is elevated alongside mitigation and finance as a critical third pillar for climate progress,” said Kate Logan, director of China Climate Hub at the Asia Society Policy Institute, adding that this “is likely to remain a key arena for China’s influence” in the climate regime.

    The decision reaffirms that “measures taken to combat climate change, including unilateral ones, should not constitute a means of arbitrary or unjustifiable discrimination or a disguised restriction on international trade”.

    The post COP30 fails to land deal on fossil fuel transition but triples finance for climate adaptation appeared first on Climate Home News.

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    In Lahore’s Smog Season, This Gen Z Doctor Is Centering Climate Change

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    Dr. Farah Waseem has advocated for climate awareness since childhood. Now, it’s a matter of life and death for her patients in Pakistan.

    Dr. Farah Waseem can feel the smog the moment she steps outside each morning.

    In Lahore’s Smog Season, This Gen Z Doctor Is Centering Climate Change

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    What’s on the climate calendar for 2026?

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    After a tough 2025 dominated by the US opposing climate action at home and abroad, 2026 looks set to be shaped by coalitions of countries willing to bypass the COP’s need for consensus and take voluntary action as a group.

    While troubled multilateral talks on cleaning up plastics and shipping limp on, smaller groups of governments will gather to discuss taxing luxury air travel and planning a fair phase-out of fossil fuels. Australia and the Pacific’s initiatives for COP31 – which could continue discussions on the fossil fuel transition – will be crucial too.

    As always, elections will shape the year too, particularly in the Americas. Presidential elections in Brazil and Colombia will determine whether Lula and Petro’s climate progress is reversed and Congressional elections in the USA will shape whether Trump’s climate vandalism can be checked.

      January

      From January 10-12, the International Renewable Energy Agency will gather ministers and officials at its Abu Dhabi headquarters for its annual assembly and related side events. The organisation will announce new insights into whether the world is on track to meet the COP28 goal of tripling renewable energy capacity by 2030, and our editor Megan Rowling will be there to cover the summit.

      The next week (January 19-23) is the World Economic Forum, where the global elite gather in the Swiss mountain town of Davos. With the Trump administration trying to push climate change down the agenda in return for his participation, we’ll be looking to see if he has got his way.

      Donald Trump arrives at the World Economic Forum in Davos, January 26, 2018 (Photo: World Economic Forum / Boris Baldinger)

      February

      On February 7, government representatives will gather in Geneva to elect a new chair of the Intergovernmental Negotiating Committee on Plastic Pollution. The previous chair – Ecuadorian Luis Vayas Valdivieso – stepped down in October after failing to get governments to agree to a plastics treaty.

      The new chair will face a tough task reviving those talks, with governments whose economies rely on oil and gas opposing any measures to reduce plastic production.

      March

      At a still undecided date in March, the Danish government will gather a representative group of climate ministers in their capital for the Copenhagen Climate Ministerial. Expect topics to include next steps in transitioning away from fossil fuels in energy systems.

      Meanwhile, on March 23-27, the oil and gas industry, energy ministers and other high-flyers in business and politics will travel to the Texan oil town of Houston for the CERAWeek conference. The annual gathering offers signals of what’s happening in the real economy.

      Around the same time, on March 26-29, trade ministers will head to Cameroon for the World Trade Organisation’s ministerial meeting. With trade issues increasingly overlapping with the climate space, especially with the European Union’s carbon border tax coming into force at the start of 2026, the statements and discussions here will shed light on climate policy around the world.

      April

      On April 13-18, the World Bank and International Monetary Fund will hold their annual spring meetings in Washington DC. Over the last few years, both institutions have tried to get more money to climate action. But, with the head of the World Bank effectively chosen by the US president, will this push survive Donald Trump’s presence in the Oval Office?

      On April 28-29, the governments of Colombia and the Netherlands will co-host the first “International Conference on the Just Transition Away from Fossil Fuels” in the Colombian port city of Santa Marta. With 24 countries signing a related voluntary declaration at COP30, the conference could launch a coalition against fossil fuels that grows outside of the notoriously slow COP process.

        May

        On May 11-12, the France-Africa summit will be held in the Kenyan capital of Nairobi. With Kenya and France both key backers of a coalition of countries seeking to tax luxury air travel to fund climate action, we will be looking out for progress on those proposals.

        The Colombian government of Gustavo Petro has inspired many climate campaigners with plans to phase out fossil fuel production. But Petro can’t run for another term and the first round of elections to replace him will take place on May 31. Who will replace him is currently highly uncertain.

        June

        On June 8-18, climate negotiators, campaigners and a select group of journalists – including Climate Home News – will travel to the German city of Bonn for the annual mid-year climate talks. Discussions on the Global Goal on Adaptation – unresolved at COP30 – will continue and the first trade-climate dialogue will be held.

        Overlapping this gathering will be the G7 leaders summit on the French shores of Lake Geneva (June 14) and the following week’s London Climate Week (June 21-29). The men’s football/soccer World Cup will begin in North America (June 14), with high temperatures expected.

        July

        On July 8-10, the Fund for Responding to Loss and Damage will have a board meeting in the Philippines, at which it is expected to approve its first set of projects, three and a half years after the fund’s creation grabbed headlines at COP27 in Egypt.

        August

        Dates are unconfirmed but there may be the next round of plastics treaty negotiations at some point in August or September and – with Australia and the Pacific involved in COP31 – Pacific leaders will gather for the annual Pacific Island Forum summit around this time.

        September

        Throughout September, diplomats will gather in New York for the United Nations General Assembly. Coinciding with that will be New York Climate Week (September 20-27), where power brokers in the climate world hold meetings, strike deals and make speeches.

        October

        Brazil’s president Lula has reversed the rising rainforest destruction of his predecessor Jair Bolsonaro, hosted COP30 and pushed for a roadmap towards fossil fuel phase-out. Whether he will be able to continue in that vein depends on the two rounds of presidential elections, scheduled for October 4 and 26. Polls suggest he is the clear favourite to win.

        Brazil’s President Luiz Inacio Lula da Silva speech during the opening ceremony of the 30th Conference of the Parties (COP30).
        Brazil’s President Luiz Inacio Lula da Silva speech during the opening ceremony of the 30th Conference of the Parties (COP30). (Photo: Ueslei Marcelino/COP30)

        On October 13-18, the World Bank and IMF host their annual autumn meetings and on October 19-30, the biodiversity COP comes to the Armenian capital city of Yerevan, where countries will produce the first global stocktake of the landmark Global Biodiversity Framework. Research suggests some of its goals, including a target to protect 30% of land and sea ecosystems, are highly off track.

        November

        An important month starts with US midterm elections for both branches of its Congress on November 3. The Democrats are currently expected to regain control of the House but not regain the Senate, where fewer seats are up for grabs. Losing either would limit Trump’s power in the world’s second-biggest emitter.

        Around the same time, the annual pre-COP meeting will be held in a still-undetermined Pacific Island nation. Pacific governments hope to attract world leaders to come and see firsthand how climate change is threatening their islands.

        Then on November 9-20, the climate COP will take place in the Turkish seaside city of Antalya, at its Expo Center. Australia is presiding over the talks – as part of a deal with Turkiye. Expect fossil fuel phase out and adaptation to be key themes.

        Overlapping with COP31 will be the Marine Environment Protection Committee of the International Maritime Organisation in London (November 16-20). In 2025, the US and Saudi Arabia won a year’s delay to green shipping measures. This meeting will determine if that delay becomes permanent.

        December

        On December 14-15, the leaders of the G20 (except South Africa) have been invited for a summit in Miami. The US, which is barring South Africa partly because of its green policies, has indicated it will use the G20 to promote fossil fuels.

        The post What’s on the climate calendar for 2026? appeared first on Climate Home News.

        What’s on the climate calendar for 2026?

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        Analysis: UK renewables enjoy record year in 2025 – but gas power still rises

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        The UK’s fleet of wind, solar and biomass power plants all set new records in 2025, Carbon Brief analysis shows, but electricity generation from gas still went up.

        The rise in gas power was due to the end of UK coal generation in late 2024 and nuclear power hitting its lowest level in half a century, while electricity exports grew and imports fell.

        In addition, there was a 1% rise in UK electricity demand – after years of decline – as electric vehicles (EVs), heat pumps and data centres connected to the grid in larger numbers.

        Other key insights from the data include:

        • Electricity demand grew for the second year in a row to 322 terawatt hours (TWh), rising by 4TWh (1%) and hinting at a shift towards steady increases, as the UK electrifies.
        • Renewables supplied more of the UK’s electricity than any other source, making up 47% of the total, followed by gas (28%), nuclear (11%) and net imports (10%).
        • The UK set new records for electricity generation from wind (87TWh, +5%), solar (19TWh, +31%) and biomass (41TWh, +2%), as well as for renewables overall (152TWh, +6%).
        • The UK had its first full year without any coal power, compared with 2TWh of generation in 2024, ahead of the closure of the nation’s last coal plant in September of that year.
        • Nuclear power was at its lowest level in half a century, generating just 36TWh (-12%), as most of the remaining fleet paused for refuelling or outages.

        Overall, UK electricity became slightly more polluting in 2025, with each kilowatt hour linked to 126g of carbon dioxide (gCO2/kWh), up 2% from the record low of 124gCO2/kWh, set last year.

        The National Energy System Operator (NESO) set a new record for the use of low-carbon sources – known as “zero-carbon operation” – reaching 97.7% for half an hour on 1 April 2025.

        However, NESO missed its target of running the electricity network for at least 30 minutes in 2025 without any fossil fuels.

        The UK inched towards separate targets set by the government, for 95% of electricity generation to come from low-carbon sources by 2030 and for this to cover 100% of domestic demand.

        However, much more rapid progress will be needed to meet these goals.

        Carbon Brief has published an annual analysis of the UK’s electricity generation in 2024, 2023, 2021, 2019, 2018, 2017 and 2016.

        Record renewables

        The UK’s fleet of renewable power plants enjoyed a record year in 2025, with their combined electricity generation reaching 152TWh, a 6% rise from a year earlier.

        Renewables made up 47% of UK electricity supplies, another record high. The rise of renewables is shown in the figure below, which also highlights the end of UK coal power.

        While the chart makes clear that gas-fired electricity generation has also declined over the past 15 years, there was a small rise in 2025, with output from the fuel reaching 91TWh. This was an increase of 5TWh (5%) and means gas made up 28% of electricity supplies overall.

        The rise in gas-fired generation was the result of rising demand and another fall in nuclear power output, which reached the lowest level in half a century, while net imports and coal also declined.

        UK electricity supplies by source 2010-2025
        UK electricity supplies by source 2010-2025, terawatt hours (TWh). Net imports are the sum of imports minus exports. Renewables include wind, biomass, solar and hydro. The chart excludes minor sources, such as oil, which makes up less than 2% of the total. Source: Carbon Brief analysis of data from NESO and DESNZ.

        The year began with the UK’s sunniest spring and by mid-December had already become the sunniest year on record. This contributed to a 5TWh (31%) surge in electricity generation from solar power, helped by a jump of roughly one-fifth in installed generating capacity.

        The new record for solar power generation of 19TWh in 2025 comes after years of stagnation, with electricity output from the technology having climbed just 15% in five years.

        The UK’s solar capacity reached 21GW in the third quarter of 2025. This is a substantial increase of 3 gigawatts (GW) or 18% year-on-year.

        These are the latest figures available from the Department for Energy Security and Net Zero (DESNZ). The DESNZ timeseries has been revised to reflect previously missing data.

        UK wind power also set a new record in 2025, reaching 87TWh, up 4TWh (5%). Wind conditions in 2025 were broadly similar to those in 2024, with the uptick in generation due to additional capacity.

        The UK’s wind capacity reached 33GW in the third quarter of 2025, up 1GW (4%) from a year earlier. The 1.2GW Dogger Bank A in the North Sea has been ramping up since autumn 2025 and will be joined by the 1.2GW Dogger Bank B in 2026, as well as the 1.4GW Sofia project.

        These sites were all awarded contracts during the government’s third “contracts for difference” (CfD) auction round and will be paid around £53 per megawatt hour (MWh) for the electricity they generate. This is well below current market prices, which currently sit at around £80/MWh.

        Results from the seventh auction round, which is currently underway, will be announced in January and February 2026. Prices are expected to be significantly higher than in the third round, as a result of cost inflation.

        Nevertheless, new offshore wind capacity is expected to be deliverable at “no additional cost to the billpayer”, according to consultancy Aurora Energy Research.

        The UK’s biomass energy sites also had a record year in 2025, with output nudging up by 1TWh (2%) to 41TWh. Approximately two-thirds (roughly 27TWh) of this total is from wood-fired power plants, most notably the Drax former coal plant in Yorkshire, which generated 15TWh in 2024.

        The government recently awarded new contracts to Drax that will apply from 2027 onwards and will see the amount of electricity it generates each year roughly halve, to around 6TWh. The government is also consulting on how to tighten sustainability rules for biomass sourcing.

        Rising demand

        The UK’s electricity demand has been falling for decades due to a combination of more efficient appliances and lightbulbs, as well as ongoing structural shifts in the economy.

        Experts have been saying for years that at some point this trend would be reversed, as the UK shifts to electrified heat and transport supplies using EVs and heat pumps.

        Indeed, the Climate Change Committee (CCC) has said that demand would more than double by 2050, with electrification forming a key plank of the UK’s efforts to reach net-zero.

        Yet there has been little sign of this effect to date, with electricity demand continuing to fall outside single-year rebounds after economic shocks, such as the 2020 Covid lockdowns.

        The data for 2025 shows hints that this turning point for electricity demand may finally be taking place. UK demand increased by 4TWh (1%) to 322TWh in 2025, after a 1TWh rise in 2024.

        After declining for more than two decades since a peak in 2005, this is the first time in 20 years that UK demand has gone up for two years in a row, as shown in the figure below.

        Annual UK electricity demand 2000-2025
        Annual UK electricity demand 2000-2025, terawatt hours (TWh). The truncated y-axis shows recent changes more clearly. Source: Carbon Brief analysis of data from NESO and DESNZ.

        While detailed data on underlying electricity demand is not available, it is clear that the shift to EVs and heat pumps is playing an important role in the recent uptick.

        There are now around 1.8m EVs on the UK’s roads and another 1m plug-in hybrids. Of this total, some 0.6m new EVs and plug-in hybrids were bought in 2025 alone. In addition, around 100,000 heat pumps are being installed each year. Sales of both technologies are rising fast.

        Estimates from the NESO “future energy scenarios” point to an additional 2.0TWh of demand from new EVs in 2025, compared with 2024. They also suggest that newly installed heat pumps added around 0.2TWh of additional demand, while data centres added 0.4TWh.

        By 2030, NESO’s scenarios suggest that electricity use for these three sources alone will rise by around 30TWh, equivalent to around 10% of total demand in 2025.

        EVs would have the biggest impact, adding 17TWh to demand by 2030, NESO says, with heat pumps adding another 3TWh. Data-centre growth is highly uncertain, but could add 12TWh.

        Gas growth

        At the same time as UK electricity demand was growing by 4TWh in 2025, the country also lost a total of 10TWh of supply as a result of a series of small changes.

        First, 2025 was the UK’s first full year without coal power since 1881, resulting in the loss of 2TWh of generation. Second, the UK’s nuclear fleet saw output falling to the lowest level in half a century, after a series of refuelling breaks and outages, which cut generation by 5TWh.

        Third, after a big jump in imports in 2024, the UK saw a small decline in 2025, as well as a more notable increase in the amount of electricity exported to other countries. This pushed the country’s net imports down by 1TWh (4%).

        The scale of cross-border trade in electricity is expected to increase as the UK has significantly expanded the number of interconnections with other markets.

        However, the government’s clean-power targets for 2030 imply that the UK would become a net exporter, sending more electricity overseas than it receives from other countries. At present, it remains a significant net importer, with these contributions accounting for 109% of supplies.

        Finally, other sources of generation – including oil – also declined in 2025, reducing UK supplies by another 2TWh, as shown in the figure below.

        A waterfall chart showing that gas power increased in 2025 despite renewables growth.
        Change in electricity supply by source between 2024 and 2025, TWh. Source: Carbon Brief analysis of data from NESO and DESNZ.

        These losses in UK electricity supply were met by the already-mentioned increases in generation from gas, solar, wind and biomass, as shown in the figure above.

        The government’s targets for decarbonising the UK’s electricity supplies will face similar challenges in the years to come as electrification – and, potentially, data centres – continue to push up demand.

        All but one of the UK’s existing nuclear power plants are set to retire by 2030, meaning the loss of another 27TWh of nuclear generation.

        This will be replaced by new nuclear capacity, but only slowly. The 3.2GW Hinkley Point C plant in Somerset is set to start operating in 2030 at the earliest and its sister plant, Sizewell C in Suffolk, not until at least another five years later.

        Despite backing from ministers for small modular reactors, the timeline for any buildout is uncertain, with the latest government release referring to the “mid-2030s”.

        Meanwhile, biomass generation is likely to decline as the output of Drax is scaled back from 2027.

        Stalling progress

        Taken together, the various changes in the UK’s electricity supplies in 2025 mean that efforts to decarbonise the grid stalled, with a small increase in emissions per unit of generation.

        The 2% increase in carbon intensity to 126gCO2/kWh is illustrated in the figure below and comes after electricity was the “cleanest ever” in 2024, at 124gCO2/kWh.

        Carbon intensity of UK electricity supplies
        Carbon intensity of UK electricity supplies, gCO2/kWh. Source: Carbon Brief analysis of data from NESO and DESNZ.

        The stalling progress on cleaning up the UK’s grid reflects the balance of record renewables, rising demand and rising gas generation, along with poor output from nuclear power.

        Nevertheless, a series of other new records were set during 2025.

        NESO ran the transmission grid on the island of Great Britain (GB; namely, England, Wales and Scotland) with a record 97.7% “zero-carbon operation” (ZCO) on 1 April 2025.

        Note that this measure excludes gas plants that also generate heat – known as combined heat and power, or CHP – as well as waste incinerators and all other generators that do not connect to the transmission network, which means that it does not include most solar or onshore wind.

        NESO was unable to meet its target – first set in 2019 – for 100% ZCO during 2025, meaning it did not succeed in running the transmission grid without any fossil fuels for half an hour.

        Other records set in 2025 include:

        • GB ran on 100% clean power, after accounting for exports, for a record 87 hours in 2025, up from 64.5 hours in 2024.
        • Total GB renewable generation from wind, solar, biomass and hydro reached a record 31.3GW from 13:30-14:00 on 4 July 2025, meeting 84% of demand.
        • GB wind generation reached a record 23.8GW for half an hour on 5 December 2025, when it met 52% of GB demand.
        • GB solar reached a record 14.0GW at 13:00 on 8 July 2025, when it met 40% of demand.

        The government has separate targets for at least 95% of electricity generation and 100% of demand on the island of Great Britain to come from low-carbon sources by 2030.

        These goals, similar to the NESO target, exclude Northern Ireland, CHP and waste incinerators. However, they include distributed renewables, such as solar and onshore wind.

        These definitions mean it is hard to measure progress independently. The most recent government figures show that 74% of qualifying generation in GB was from low-carbon sources in 2024.

        Carbon Brief’s figures for the whole UK show that low-carbon sources made up a record 58% of electricity supplies overall in 2025, up marginally from a year earlier.

        Similarly, low-carbon sources made up 65% of electricity generation in the UK overall. This was unchanged from a year earlier.

        Methodology

        The figures in the article are from Carbon Brief analysis of data from DESNZ Energy Trends, chapter 5 and chapter 6, as well as from NESO. The figures from NESO are for electricity supplied to the grid in Great Britain only and are adjusted here to include Northern Ireland.

        In Carbon Brief’s analysis, the NESO numbers are also adjusted to account for electricity used by power plants on site and for generation by plants not connected to the high-voltage national grid.

        NESO already includes estimates for onshore windfarms, but does not cover industrial gas combined heat and power plants and those burning landfill gas, waste or sewage gas.

        Carbon intensity figures from 2009 onwards are taken directly from NESO. Pre-2009 estimates are based on the NESO methodology, taking account of fuel use efficiency for earlier years.

        The carbon intensity methodology accounts for lifecycle emissions from biomass. It includes emissions for imported electricity, based on the daily electricity mix in the country of origin.

        DESNZ historical electricity data, including years before 2009, is adjusted to align with other figures and combined with data on imports from a separate DESNZ dataset. Note that the data prior to 1951 only includes “major” power producers.

        The post Analysis: UK renewables enjoy record year in 2025 – but gas power still rises appeared first on Carbon Brief.

        Analysis: UK renewables enjoy record year in 2025 – but gas power still rises

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