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The UK government has released its long-awaited “warm homes plan”, detailing support to help people install electric heat pumps, rooftop solar panels and insulation in their homes.

It says up to 5m households could benefit from £15bn of grants and loans earmarked by the government for these upgrades by 2030.

Electrified heating and energy-efficient homes are vital for the UK’s net-zero goals, but the plan also stresses that these measures will cut people’s bills by “hundreds of pounds” a year.

The plan shifts efforts to tackle fuel poverty away from a “fabric-first” approach that starts with insulation, towards the use of electric technologies to lower bills and emissions.

Much of the funding will support people buying heat pumps, but the government has still significantly scaled back its expectations for heat-pump installations in the coming years.

Beyond new funding, there are also new efficiency standards for landlords that could result in nearly 3m rental properties being upgraded over the next four years.

In addition, the government has set out its ambition for scaling up “heat networks”, where many homes and offices are served by communal heating systems.

Carbon Brief has identified the key policies laid out in the warm homes plan, as well as what they mean for the UK’s climate targets and energy bills.

Why do homes matter for UK climate goals?

Buildings are the second-largest source of emissions in the UK, after transport. This is largely due to the gas boilers that keep around 85% of UK homes warm.

Residential buildings produced 52.8m tonnes of carbon dioxide equivalent (MtCO2e) in 2024, around 14% of the nation’s total, according to the latest government figures.

Fossil-fuel heating is by far the largest contributor to building emissions. There are roughly 24m gas boilers and 1.4m oil boilers on the island of Great Britain, according to the National Energy System Operator (NESO).

This has left the UK particularly exposed – along with its gas-reliant power system – to the impact of the global energy crisis, which caused gas prices – and energy bills – to soar.

At the same time, the UK’s old housing stock is often described as among the least energy efficient in Europe. A third of UK households live in “poorly insulated homes” and cannot afford to make improvements, according to University College London research.

This situation leads to more energy being wasted, meaning higher bills and more emissions.

Given their contribution to UK emissions, buildings are “expected to be central” in the nation’s near-term climate goals, delivering 20% of the cuts required to achieve the UK’s 2030 target, according to government adviser the Climate Change Committee (CCC).

(Residential buildings account for roughly 70% of the emissions in the buildings sector, with the rest coming from commercial and public-sector buildings.)

Over recent years, Conservative and Labour governments have announced various measures to cut emissions from homes, including schemes to support people buying electric heat pumps and retrofitting their homes.

However, implementation has been slow. While heat-pump installations have increased, they are not on track to meet the target set by the previous government of 600,000 a year by 2028.

Meanwhile, successive schemes to help households install loft and wall insulation have been launched and then abandoned, meaning installation rates have been slow.

At the same time, the main government-backed scheme designed to lift homes out of fuel poverty, the “energy company obligation” (ECO), has been mired in controversy over low standards, botched installations and – according to a parliamentary inquiry – even fraud.

(The government announced at the latest budget that it was scrapping ECO.)

The CCC noted in its most recent progress report to parliament that “falling behind on buildings decarbonisation will have severe implications for longer-term decarbonisation”.

What is the warm homes plan?

The warm homes plan was part of the Labour party’s election-winning manifesto in 2024, sold at the time as a way to “cut bills for families” through insulation, solar and heat pumps, while creating “tens of thousands of good jobs” and lifting “millions out of fuel poverty”.

It replaces ECO, introduces new support for clean technologies and wraps together various other ongoing policies, such as the “boiler upgrade scheme” (BUS) grants for heat pumps.

The warm homes plan was officially announced by the government in November 2024, stating that up to 300,000 households would benefit from home upgrades in the coming year. However, the plan itself was repeatedly delayed.

In the spending review in June 2025, the government confirmed the £13.2bn in funding for the scheme pledged in the Labour manifesto, covering spending between 2025-26 and 2029-30.

The government said this investment would help cut bills by up to £600 per household through efficiency measures and clean technologies such as heat pumps, solar panels and batteries.

After scrapping ECO at the 2025 budget, the treasury earmarked an extra £1.5bn of funding for the warm homes plan over five years. This is less than the £1bn annual budget for ECO, which was funded via energy bills, but is expected to have lower administrative overheads.

In the foreword to the new plan, secretary of state Ed Miliband says that it will deliver the “biggest public investment in home upgrades in British history”. He adds:

“The warm homes plan [will]…cut bills, tackle fuel poverty, create good jobs and get us off the rollercoaster of international fossil fuel markets.”

Miliband argues in his foreword that the plan will “spread the benefits” of technologies such as solar to households that would otherwise be unable to afford them. He writes: “This historic investment will help millions seize the benefits of electrification.” Miliband concludes:

“This is a landmark plan to make the British people better off, secure our energy independence and tackle the climate crisis.”

What is included in the warm homes plan?

The warm homes plan sets out £15bn of investment over the course of the current parliament to drive uptake of low-carbon technologies and upgrade “up to” 5m homes.

A key focus of the plan is energy security and cost savings for UK households.

The government says its plan will “prioritise” investment in electrification measures, such as heat pumps, solar panels and battery storage. This is where most of the funding is targeted.

However, it also includes new energy-efficiency standards to encourage landlords to improve conditions for renters.

Some policies were notable due to their absence, such as the lack of a target to end gas boiler sales. The plan also states that, while it will consult on the use of hydrogen in heating homes, this is “not yet a proven technology” and therefore any future role would be “limited”.

New funding

Technologies such as heat pumps and rooftop solar panels are essential for the UK to achieve its net-zero goals, but they carry significant up-front costs for households. Plans for expanding their uptake therefore rely on government support.

Following the end of ECO in March, the warm homes plan will help fill the gap in funding for energy-efficiency measures that it is expected to leave.

As the chart below shows, a range of new measures under the warm homes plan – including a mix of grants and loans – as well as more funding for existing schemes, leads to an increase in support out to 2030.

Chart showing the warm home plan increases the overall government support for low-carbon heating and energy-efficiency schemes
Annual support for home upgrades, such as heat pumps and insulation, broken down by UK government scheme, £bn. The blue columns indicate new schemes under the warm homes plan. The grey columns include ongoing schemes, such as the boiler upgrade scheme. Figures are adjusted to constant 2025/26 pounds using the latest Treasury GDP deflators. Source: Nesta analysis using UK government data.

One third of the total funding – £5bn in total – is aimed at low-income households, including social housing tenants. This money will be delivered in the form of grants that could cover the full cost of upgrades.

The plan highlights solar panels, batteries and “cost-effective insulation” for the least energy-efficient homes as priority measures for this funding, with a view to lowering bills.

There is also £2.7bn for the existing boiler upgrade scheme, which will see its annual allocation increase gradually from £295m in 2025-26 to £709m in 2029-30.

This is the government’s measure to encourage better-off “able to pay” households to buy heat pumps, with grants of £7,500 towards the cost of replacing a gas or oil-fired boiler. For the first time, there will also be new £2,500 grants from the scheme for air-to-air heat pumps (See: Heat pumps.)

A key new measure in the plan is £2bn for low- and zero-interest consumer loans, to help with the cost of various home upgrades, including solar panels, batteries and heat pumps.

Previous efforts to support home upgrades with loans have not been successful. However, innovation agency Nesta says the government’s new scheme could play a central role, with the potential for households buying heat pumps to save hundreds of pounds a year, compared to purchases made using regular loans.

The remaining funding over the next four years includes money assigned to heat networks and devolved administrations in Scotland, Wales and Northern Ireland, which are responsible for their own plans to tackle fuel poverty and household emissions.

Heat pumps

Heat pumps are described in the plan as the “best and cheapest form of electrified heating for the majority of our homes”.

The government’s goal is for heat pumps to “increasingly become the desirable and natural choice” for those replacing old boilers. At the same time, it says that new home standards will ensure that new-build homes have low-carbon heating systems installed by default.

Despite this, the warm homes plan scales back the previous government’s target for heat-pump installations in the coming years, reflecting the relatively slow increase in heat-pump sales. It also does not include a set date to end the sale of gas boilers.

The plan’s central target is for 450,000 heat pumps to be installed annually by 2030, including 200,000 in new-build homes and 250,000 in existing homes.

This is significantly lower than the previous target – originally set in 2021 under Boris Johnson’s Conservative government – to install 600,000 heat pumps annually by 2028.

Meeting that target would have meant installations increasing seven-fold in just four years, between 2024 and 2028. Now, installations only need to increase five-fold in six years.

As the chart below shows, the new target is also considerably lower than the heat-pump installation rate set out in the CCC’s central net-zero pathway. That involved 450,000 installations in existing homes alone by 2030 – excluding new-build properties.

Chart showing the government's new target for heat-pump sales is less ambitious than the previous target and the CCC's net-zero pathway
Annual heat-pump installation targets, including the previous UK government goal, the number set out in the CCC’s “balanced” net-zero pathway and the new target set out in the warm homes plan. Source: UK government, CCC.

Some experts and campaigners questioned how the UK would remain on track for its legally binding climate goals given this scaled-back rate of heat-pump installations.

Additionally, Adam Bell, policy director at the thinktank Stonehaven, writes on LinkedIn that the “headline numbers for heat pump installs do not stack up”.

Heat pumps in existing homes are set to be supported primarily via the boiler upgrade scheme and – according to Bell – there is not enough funding for the 250,000 installations that are planned, despite an increased budget.

The government’s plan relies in part on the up-front costs of heat pump installation “fall[ing] significantly”. According to Bell, it may be that the government will reduce the size of boiler upgrade scheme grants in the future, hoping that costs will fall sufficiently.

Alternatively, the government may rely on driving uptake through its planned low-cost loans and the clean heat market mechanism, which requires heating-system suppliers to sell a growing share of heat pumps.

Rooftop solar

Rooftop solar panels are highlighted in the plan as “central to cutting energy bills”, by allowing households to generate their own electricity to power their homes and sell it back to the grid.

At the same time, rooftop solar is expected to make a “significant contribution” to the government’s target of hitting 45-47 gigawatts (GW) of solar capacity by 2030.

As it stands, there is roughly 5.2GW of solar capacity on residential rooftops.

Taken together, the government says the grants and loans set out in the warm homes plan could triple the number of homes with rooftop solar from 1.6m to 4.6m by 2030.

It says that this is “in addition” to homes that decide to install rooftop solar independently.

Efficiency standards

The warm homes plan says that the government will publish its “future homes standard” for new-build properties, alongside necessary regulations, in the first quarter of 2026.

On the same day, the government also published its intention to reform “energy performance certificates” (EPCs), the ratings that are supposed to inform prospective buyers and renters about how much their new homes will cost to keep warm.

The current approach to measuring performance for EPCs is “unreliable” and thought to inadvertently discourage heat pumps. It has faced long-standing calls for reform.

As well as funding low-carbon technologies, the warm homes plan says it is “standing up for renters” with new energy-efficiency standards for privately and socially rented homes.

Currently, private renters – who rely on landlords to invest in home improvements – are the most likely to experience fuel poverty and to live in cold, damp homes.

Landlords will now need to upgrade their properties to meet EPC ratings B and C across two new-style EPC metrics by October 2030. There are “reasonable exemptions” to this rule that will limit the amount landlords have to spend per property to £10,000.

In total, the government expects “up to” 1.6m homes in the private-rental sector to benefit from these improvements and “up to” 1.3m social-rent homes.

These new efficiency standards therefore cover three-fifths of the “up to” 5m homes helped by the plan.

The government also published a separate fuel poverty strategy for England.

Heat networks

The warm homes plan sets out a new target to more than double the amount of heating provided using low-carbon heat networks – up to 7% of England’s heating demand by 2035 and a fifth by 2050.

This involves an injection of £1.1bn for heat networks, including £195m per year out to 2030 via the green heat network fund, as well as “mobilising” the National Wealth Fund.

The plan explains that this will primarily benefit urban centres, noting that heat networks are “well suited” to serving large, multi-occupancy buildings and those with limited space.
Alongside the plan, the government published a series of technical standards for heat networks, including for consumer protection.

What does the warm homes plan mean for energy bills?

The warm homes plan could save households “hundreds on energy bills” for those whose homes are upgraded, according to the UK government.

This is in addition to two changes announced in the budget in 2025, which are expected to cut energy bills for all homes by an average of £150 a year.

This included the decisions to bring ECO to an end when the current programme of work wraps up at the end of the financial year and for the treasury to cover three-quarters of the cost of the “renewables obligation” (RO) for three years from April 2026.

Beyond this, households that take advantage of the measures outlined in the plan can expect their energy bills to fall by varying amounts, the government says.

The warm homes plan includes a number of case studies that detail how upgrades could impact energy bills for a range of households. For example, it notes that a social-rented two-bedroom semi-detached home that got insulation and solar panels could save £350 annually.

An owner-occupier three-bedroom home could save £450 annually if it gets solar panels and a battery through consumer loans offered under the warm homes plan, it adds.

Similar analysis published by Nesta says that a typical household that invests in home upgrades under the plan could save £1,000 a year on its energy bill.

It finds that a household with a heat pump, solar panels and a battery, which uses a solar and “time of use tariff”, could see its annual energy bill fall by as much as £1,000 compared with continuing to use a gas boiler, from around £1,670 per year to £670, as shown in the chart below.

Chart showing that clean electric tech could save households £1,000 a year, compared to gas boilers
Annual energy bill savings (£) for a typical household from April 2026, by using different clean-energy technologies in comparison with a gas boiler. Source: Nesta analysis, using data from Ofgem, the Centre for Net Zero and an Octopus Energy tariff.

Ahead of the plan being published, there were rumours of further “rebalancing” energy bills to bring down the cost of electricity relative to gas. However, this idea failed to come to fruition in the warm homes plan.

This would have involved reducing or removing some or all of the policy costs currently funded via electricity bills, by shifting them onto gas bills or into general taxation.

This would have made it relatively cheaper to use electric technologies such as heat pumps, acting as a further incentive to adopt them.

Nesta highlights that in the absence of further action with regard to policy costs, the electricity-to-gas price ratio is likely to stay at around 4.1 from April 2026.

What has been the reaction to the plan?

Many of the commitments in the warm homes plan were welcomed by a broad range of energy industry experts, union representatives and thinktanks.

Greg Jackson, the founder of Octopus Energy, described it as a “really important step forward”, adding:

“Electrifying homes is the best way to cut bills for good and escape the yoyo of fossil fuel costs.”

Dhara Vyas, chief executive of the trade body Energy UK, said the government’s commitment to spend £15bn on upgrading home heating was “substantial” and would “provide certainty to investors and businesses in the energy market”.

On LinkedIn, Camilla Born, head of the campaign group Electrify Britain, said the plan was a “good step towards backing electrification as the future of Britain, but it must go hand in hand with bringing down the costs of electricity”.

However, right-leaning publications and politicians were critical of the plan, focusing on how a proportion of solar panels sold in the UK are manufactured in China.

According to BBC News, two-thirds (68%) of the solar panels imported to the UK came from China in 2024.

In an analysis of the plan, the Guardian’s environment editor Fiona Harvey and energy correspondent Jillian Ambrose argued that the strategy is “all carrot and no stick”, given that the “longstanding proposal” to ban the installation of gas boilers beyond 2035 has been “quietly dropped”.

Christopher Hammond, chief executive of UK100, a cross-party network of more than 120 local authorities, welcomed the plan, but urged the government to extend it to include public buildings.

The government’s £3.5bn public sector decarbonisation scheme, which aimed to electrify schools, hospitals and council buildings, ended in June 2025 and no replacement has been announced, according to the network.

The post Q&A: What UK’s ‘warm homes plan’ means for climate change and energy bills appeared first on Carbon Brief.

Q&A: What UK’s ‘warm homes plan’ means for climate change and energy bills

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Key green shipping talks to be held in late 2026

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The future of the global shipping industry – and its 3% share of global emissions – will be decided in three weeks of talks in the third quarter of this year, after a decision taken in London on Friday.

At the International Maritime Organisation (IMO) headquarters this week, governments largely failed to substantively negotiate a controversial set of measures to penalise polluting ships and reward vessels running on clean fuels known as the Net-Zero Framework. The green shipping plan has been aggressively opposed by fossil fuel-producing nations, in particular by the US and Saudi Arabia.

This week, countries delivered statements outlining their views on the measures in a session that ran from Wednesday into Thursday. Then, late on Friday afternoon, they discussed when to negotiate these measures and what proposals they should discuss.

After a lengthy debate, which the talks’ chair Harry Conway joked was confusing, governments agreed to hold a week of behind-closed-door talks from 1 September to 4 September and from 23 November to 27 November.

Following these meetings, which are intended to negotiate disagreements on the NZF and rival watered-down measures proposed by the US and its allies, there will be public talks from November 30 to December 4.

    Last October, talks intended to adopt the NZF provisionally agreed in April 2025 were derailed by the US and Saudi Arabia, who successfully persuaded a majority of countries to vote to postpone the talks by a year.

    Those talks, known as an extraordinary session, are now scheduled to resume on Friday December 4 unless governments decide otherwise in the preceding weeks. While this Friday session will be in the same building with the same participants as the rest of the week’s talks, calling it the extraordinary session is significant as it means the NZF can be voted on.

    Em Fenton, senior director of climate diplomacy at Opportunity Green said that the NZF “has survived but survival is not a victory” and called for it to be adopted later this year “in a way that maintains urgency and ambition, and delivers justice and equity for countries on the frontlines of climate impacts”.

    NZF’s supporters

    The NZF would penalise the owners of particularly polluting ships and use the revenues to fund cleaner fuels, support affected workers and help developing countries manage the transition.

    Many governments – particularly in Europe, the Pacific and some Latin American and African nations – spoke in favour of it this week.

    South Africa said the fund it would create is “the key enabler of a just transition” and its removal would take away predictable revenues from African countries. Vanuatu said that “we are not here to sink the ship but to man it”.

    Australia’s representative called it a “carefully balanced compromise”, as it was provisionally agreed by a large majority after years of negotiations, and warned that failing to adopt it would harm the shipping industry by failing to provide certainty.

    Santa Marta summit kick-starts work on key steps for fossil fuel transition

    Canada’s negotiator said that if it was weakened to appease its critics like the US and Saudi Arabia, this would disappoint those who think it is too weak already like the Pacific islands.

    A large group of mainly big developing countries like Nigeria and Indonesia did not rule out supporting the framework but called for adjustments to help developing countries deal with the changes. Nigeria called for developing countries to be given more time to implement the measures, a minimum share of the fund’s revenues and discounts for ships bringing them food and energy.

    According to analysis from the University of College London’s Energy Institute, the countries speaking in support of the NZF include five countries which voted with the US to postpone talks in October and a further ten countries which did not take a clear position at that time. Most governments support the NZF as the basis for further talks, the institute said.

    Opposition remains

    But a small group of mainly oil-producing nations said they are opposed to any financial penalties for particularly polluting ships.

    They support a proposal submitted by Liberia, Argentina and Panama which has proposed weakening emission targets and ditching any funding mechanism for the framework involving “direct revenue collection and disbursement”.

    Argentina argued that the NZF would harm countries which are far from their export markets and said concerns over that cannot be solved “by magic with guidelines”. They added that, as a result, the NZF itself needs to be fundamentally re-negotiated.

    The UCL Energy Institute said that just 24 countries – less than a quarter of those who spoke – said they supported Argentina’s proposal.

    While this week’s talks did not see the kind of US threats reported in October, their delegation did leave personalised flyers on every delegate’s desk which were described by academics, negotiators and climate campaigners as misleading.

    One witness told Climate Home News that junior US delegates arrived early on Wednesday and placed flyers behind governments’ name plates warning each country of the costs they would incur if the NZF is adopted.

    The figures on a selection of leaflets seen by Climate Home News ranged from $100 million for Panama to $3.5 billion for the Netherlands. “They are trying to scare countries away from supporting climate action with one-sided information”, one negotiator told Climate Home News.

    A flyer left on Pakistan’s desk, shared by a witness with Climate Home News

    They added that the calculations, by the US State Department’s Office of the Chief Economist, ignore the fact that the money raised would be shared to help poorer countries’ transition as well as ignoring the economic costs of failing to address climate change.

    Tristan Smith, an academic representing the Institute of Marine Engineering, Science and Technology, told the meeting that the calculations were “opaque” and flawed as they overstate the contribution of fuel cost to trade costs.

    A US State Department Spokesperson said in a statement that they “firmly stand behind our estimates” which were shared “in good faith” and to “provide an additional tool to policymakers as they contemplate the true economic burden over the NZF”.

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    The energy transition has a rare earth problem: These startups are solving it

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    The gleaming electric motors rolling off the production line at a factory in northeastern England offer an answer to one of the energy transition’s thorniest challenges.

    The Advanced Electric Machines (AEM) plant outside Newcastle is at the forefront of building a new generation of motors made without rare earths, a group of 17 nearly indistinguishable metals used to manufacture most of the high-performance permanent magnets that power electric vehicles.

    CEO James Widmer, a former aerospace engineer who founded the company in 2017, compares heavy reliance on rare earths in EV motors to the ill-fated decision to add lead to gasoline to resolve a technical issue.

    “Putting rare earths in motors is the same thing,” Widmer told Climate Home News in a video call from his office. “You don’t need it, but somebody did it because it was easy.”

    Widmer’s firm is among a handful of startup companies working with researchers to eliminate the need for rare earths in magnets and motors – offering a pathway to ease pressure on new mining and refining for one of the world’s most concentrated value chains.

    Unease over China’s grip on supplies

    As countries strive to reduce their climate-warming emissions by switching to electric transportation, demand for rare earths is soaring. That is increasing pressure for mining new resources and raising concerns about China’s supply chain domination.

    China controls more than 90% of global rare earth separation and refining capacity and makes nearly all of the world’s permanent magnets – one of the building blocks of advanced technologies from EV motors and wind turbines vital to the energy transition to microchips, AI data centres and fighter jets.

    A workman assembling an AEM rare earth-free motor in a factory
    An employee assembling a motor at AEM’s factory outside Newcastle (Photo: Advanced Electric Machines)

    Beijing spooked Western governments last year when it announced new export restrictions on supplies of rare earths and technological know-how in response to US tariffs on imports of Chinese goods. Automakers were left facing shortages.

    While some of Beijing’s retaliatory curbs were suspended within months, China’s willingness to use its industrial clout over technological chokepoints to advance its geopolitical objectives has injected momentum into the efforts of companies such as AEM to find alternatives to rare earths.

    “The best way to avoid the problems with these materials…isn’t to drill, baby, drill.The best way is just not to use them in the first place,” said Widmer.

    Cutting that dependency would help shrink the environmental footprint of EV motors by keeping costly-to-extract rare earths in the ground, Widmer said.

    Rare earth-free motors?

    The auto industry had already been manufacturing electric motors using rare earth magnets for 20 years when Widmer set up AEM after conducting PhD research at the University of Newcastle.

    Toyota’s Prius model, which is widely recognised as the first mass-produced hybrid passenger car, was launched in 1997 and used rare earth magnets in its motor.

    About 80% of modern EV drivetrains now rely on high-performance rare earth permanent magnets to convert electricity into torque, according to a 2024 study, fuelling demand for the metals as EV adoption gains traction across the world, from Europe to South Asia.

    Rapid electrification has doubled demand for magnet rare earths since 2015 and it is projected to increase by another 30% by 2030, according to the International Energy Agency (IEA). It recently put the cost of adequately diversifying the supply chain at $60 billion over the next decade.

    Demand for EVs and concerns over oil dependence have rocketed back onto the political agenda after the Iran war sparked unprecedented disruptions to global oil markets, reigniting simmering debates about supply chain sovereignty for energy.

    James Widmer stands with his hand on a rare easrth-free electric motor
    James Widmer CEO of AEM, at the company’s factory outside Newcastle (Photo: Advanced Electric Machines)

    Contrary to their name, rare earths are found nearly everywhere on the planet in small quantities. However, larger, economically viable deposits are difficult to find and costly to extract.

    On top of the expense, getting rare earths out of the ground is energy-intensive and generates toxic waste and sometimes radioactive by-products. This has led to large-scale environmental damage in China and Myanmar, where unregulated mines have become a major source of rare earth elements and are driving environmental destruction and violence, according to NGOs.

    Lighter, greener, less risky

    Instead of rare earth magnets, AEM’s motors rely on electrical steel laminations – thin stacked sheets of specialised metal – that create a magnetic field when powered.

    The company says its electric motors are more energy-efficient and, in some configurations, more power-dense than traditional rare earth motors and reduce the emissions and polluting waste associated with permanent magnet motor manufacturing processes.

    “And we’ve gotten rid of this enormous liability in the supply chain at the same time,” Widmer said.

      The company, which manufactures electric motors for passenger cars and trucks as well as for the agricultural and aerospace sectors, expects demand for its technology to grow as buyers become increasingly aware of the risks of supply chain disruption and the environmental harm caused by rare earth mining.

      AEM’s motors are already being used in commercial vehicles, for example in truck axles in the Netherlands, and the company aims to expand into new regions through a joint venture with Indian manufacturing firm Sterling Tools, a company spokesperson said.

      Hands at a workman assembling an AEM rare earth-free motor in a factory
      An employee working on a AEM rare earth-free motor in the company’s factory outside Newcastle (Photo: Advanced Electric Machines)

      ‘Reinventing the wheel’

      Some 8,000 kilometres from AEM’s factory floor, a group of Silicon Valley engineers has been inundated with enquiries since Beijing announced its export restrictions on technologies to mine and smelt rare earths, magnet production and recycling.

      As manufacturers worried about shortages, the rare earths supply chain bottleneck became a board-level conversation and executives started scouting for alternatives, said Ankit Somani, a former Google engineer and the co-founder of Conifer.

      “Every startup needs an unfair advantage – and that was ours,” he told Climate Home News, adding that the challenge is now to keep up with demand.

      The San Francisco-based startup’s technology removes rare earths from electric scooters and small delivery vehicles by placing the motor directly inside the wheel hub, an innovation it describes as “literally reinventing the wheel”.

      Conifer's Ankit Somani and an employee talk in the firm's R&D facility where staff is working on hardware
      Ankit Somani speaking to employees at Conifer’s research and development facility in Sunnyvale, California (Photo: Conifer)

      To transfer power inside vehicles, the company uses a refined form of iron oxide – the same basic compound as rust – known as a ferrite magnet.

      Somani said the technology reduces the costs of manufacturing electric vehicles by eliminating the need for expensive rare earth supplies.

      Conifer’s first production line already produces 75,000 motor components a year in the city of Pune in western India, the hub of its manufacturing operations, where electric two- and three-wheelers are booming.

      To keep up with demand, the company is planning to open a 250,000-unit capacity facility, Somani said.

      The next generation of magnets

      At Minnesota-based Niron Magnetics, which produces permanent magnets using iron nitride instead of rare earths, vice president Tom Grainger said last year’s supply chain disruption had been a wake-up call.

      “What was always possible but never quite material – the risk of geopolitical interference in magnet supply chains – became real in 2025,” he told Climate Home News.

      In contrast to magnets that depend on Chinese rare earth supplies, the company’s iron nitride magnets are made from the abundant and inexpensive elements, iron and nitrogen.

      Niron estimates that iron nitride magnets could replace roughly two-thirds of the global permanent magnet market.

        Niron Magnetics’ first consumer-facing magnet, used in a professional loudspeaker, was rolled out earlier this year and the firm has already received investment from automotive giants General Motors, Stellantis and parts provider Magna International.

        The company is developing its first full-scale manufacturing plant in Sartell, Minnesota, which aims to produce up to 1,500 tonnes of magnets annually when it opens in 2027, targeting consumer electronics, as well as the automobile sector, data-centre cooling pumps, robotics and drones.

        By Chinese standards, that is a modest start: a typical factory in China can produce between 5,000 and 20,000 tonnes of rare earth magnets, said Grainger. But Niron’s model is designed to be replicated anywhere with basic industrial infrastructure. Unlike rare earth processing, it requires no proximity to a mine or complex chemical permitting.

        “The goal…is a factory that has the scale to deliver in sufficient quantities for large programmes – with the economics that come with scale,” Grainger said.

        The firm is already looking for a second site in the US to build a 10,000-tonne per year facility, equivalent to approximately 1-2% of the global permanent magnet market share, according to the company.

        Governments ramp up support

        Anxious to protect their industries from potential supply gaps, Western countries are supporting research into innovative rare earth alternatives.

        Jean-Michel Lamarre, a team leader at Canada’s National Research Council, said the government’s science agency, which has been developing rare earth-free motor technologies, is working on using 3D printing to produce magnets.

        Lamarre said that while removing rare earths from electric motors significantly reduces the costs of materials, making new designs commercially viable remains a challenge.

        Difficulties include scaling up manufacturing capability and responding to rapidly changing market conditions, a spokesperson for Canada’s Department of Natural Resources said.

        Conifer's motor assembly line with an workman in background
        Conifer’s motor assembly plant in Pune, India (Photo: Conifer)

        The US, Canada and the European Union have announced billions in subsidies and financial support to mine and produce more of the materials themselves, as well as funding research on rare earths substitutes. The US government is also investing heavily in American rare earths and magnet producers.

        Recycling rare earth elements from discarded computers, motors and wind turbines also has a role to play in boosting domestic production, said Nicola Morley, a professor of materials physics at the University of Sheffield in the UK, who advises major manufacturers including Siemens and Volkswagen.

        Recycling alone has the potential to reduce the need for primary rare earths supplies by up to 35% by 2050, according to the IEA.

        Today, around 1% of the rare earths used in end-products is recycled because of technical and economic challenges. But startups are seizing on interest in creating circular supply chains that reduce reliance on China.

        Better than rare earths

        While recycling may be a relatively quick way for major markets to bolster their supplies of magnet metals, some researchers expect scientists to come up with groundbreaking alternatives to rival rare earths within a matter of years.

        At Georgetown University in Washington DC, physicist Kai Liu and his team are working to create new materials for magnet production using a machine that bombards atoms of up to six different metals onto a surface simultaneously – like six games of pool played at once. As they land, the atoms bond into new crystal structures, which Liu’s team tests for magnetic properties.

        Their research has already led to a discovery of magnet materials, Liu said, adding that he is hopeful for further breakthroughs by the scientific community.

        “I am cautiously optimistic that within the next five to 10 years, the community might find something comparable or better than rare earths,” he said.


        Main image: An employee working on an AEM motor at the company’s factory outside Newcastle (Photo: Advanced Electric Machines)

        The post The energy transition has a rare earth problem: These startups are solving it appeared first on Climate Home News.

        https://www.climatechangenews.com/2026/05/05/the-energy-transition-has-a-rare-earth-problem-these-startups-are-solving-it/

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        Climate Change

        How Shell is still benefiting from offloaded Niger Delta oil assets

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        When Shell sold its onshore oil operations in Nigeria to the Renaissance Africa Energy Company last year, the divestment transformed the fossil fuel giant’s climate performance – helping it become the first energy major to report zero routine flaring.

        One year on, gas flaring at some of these assets has increased significantly, while Shell has continued to benefit commercially from them, according to a new investigation by nonprofit group Data Desk, shared exclusively with Climate Home News.

        Since March 2025, Shell has traded 8 million barrels of oil from the Niger Delta’s Forcados terminal, which was included in the Renaissance deal, Data Desk’s analysis of information supplied by commodities data firm Kpler found.

        It is a similar picture at the Bonny terminal, where Shell’s operations were also transferred as part of its onshore exit. Shell is recorded as having traded 3 million barrels of oil from this facility, south of the city of Port Harcourt, since the deal went through.

        Multimillion-dollar oil shipments

        Using an average 2025 global Brent crude price of $69 per barrel, 11 million barrels of oil shipped from the two terminals since the completion of Shell’s divestment would be worth $759 million.

        Shell chartered the tankers carrying the oil to buyers around the world – from Ivory Coast and South Africa, to Canada and Italy, the Kpler data shows.

          “Whoever is running Shell’s old oilfields in Nigeria needs to get that oil to market,” said Neil Atkinson, former head of the Oil Industry and Markets Division at the International Energy Agency (IEA).

          “So it may well be that while Shell no longer runs a facility, the firm that took it over may have an arrangement to continue selling oil through Shell, thereby making use of their connections and trade networks,” Atkinson said.

          Shell’s shipping and chartering arm made a profit of £24.8 million (about $33 million) in 2024, the most recent date available, up from £17 million the year before.

          Asked about Shell’s continuing ties to the two terminals, a Shell spokesperson said: “We don’t comment on trading activities or specific customer relationships.”

          Renaissance did not address a question from Climate Home News about its ongoing commercial ties with Shell.

          Environmental legacy

          The new reporting raises fresh questions about how energy majors present their climate performance to investors and consumers, and the environmental legacy they are leaving behind after selling fossil fuel assets in countries such as Nigeria, where Shell has operated for nearly a century.

          Many of Shell’s onshore oil fields had been in production for decades by the time the company sold its Nigerian onshore subsidiary over a year ago for $2.4 billion to Renaissance, a consortium of Nigerian companies and an international firm that aims to double oil production by 2030.

          Six months after finalising the deal, Renaissance CEO Tony Attah said the company had already boosted output at Shell’s former fields by 100,000 barrels per day.

          A view shows the Bonny oil terminal in the Niger Delta when it was operated by Shell, in Port Harcourt, Nigeria, on August 1, 2018. (REUTERS/Ron Bousso)

          A view shows the Bonny oil terminal in the Niger Delta when it was operated by Shell, in Port Harcourt, Nigeria, on August 1, 2018. (REUTERS/Ron Bousso)

          At the same time, gas flaring increased at most of the fields where the activity was detected, according to Data Desk’s analysis of satellite data, despite Renaissance’s pledges to foster sustainable energy development and protect local communities.

          Gas is a by-product of oil drilling. In places that lack infrastructure to process this gas, like the Niger Delta, it gets burned off instead.

          Earlier this year, Climate Home News reported on the impact on local communities of increased gas flaring at several other fields in the Niger Delta since they were sold by Shell to different Nigerian companies in recent years.

          Besides billowing out toxic chemicals that cause air pollution and wasting a potential energy source, global gas flaring is estimated by the World Bank to release the equivalent of 400 million tonnes of CO2 annually – higher than France’s greenhouse gas emissions each year.

          Gas flaring renaissance?

          Comparing the year before the sale’s completion to the year after, satellite data shows daily flaring rose at 10 of the 13 Renaissance blocks where it was detected. Flaring fell at two blocks and was unchanged at one other, while five had no detectable flaring in the dataset.

          The OML 32 block, located in the heart of the Niger Delta, was one of the assets that Renaissance took over last year. Here, average daily flaring was more than 20 times higher in the year ending March 2026 compared to the year before, according to Data Desk’s analysis of satellite data from the Colorado School of Mines’ Earth Observation Group.

          The Renaissance-operated OML 21 and OML 28 onshore blocks saw increases of 390% and 93%, respectively, in average daily flaring in the year after the sale’s completion.

          A spokesperson for Renaissance said the company’s environmental management framework included a plan to reduce flaring.

          “Renaissance Africa Energy Company Limited has a multi-year gas flaring reduction strategy through its Flare Elimination and Monetisation Plan, developed in accordance with applicable laws and regulations,” the spokesperson said.

          Shell’s spokesperson said it “cannot comment on operational matters relating to assets under new owners/operators”, adding that both the company and the Nigerian government had conducted “extensive due diligence” with regard to its divestments in Nigeria.

          “Dodging accountability”

          Before the deal, Shell said three years ago that its remaining Nigerian assets accounted for about half of the total routine and non-routine flaring in its integrated gas and upstream facilities. Shortly after selling these assets, the company announced it had achieved zero routine flaring – five years ahead of a global 2030 target set by the World Bank.

          Afolabi Macus shows his hands stained with crude oil in Oduka Lake in Ikarama community, Bayelsa State, Nigeria, February 8, 2024. REUTERS/ Seun Sanni

          Afolabi Macus shows his hands stained with crude oil in Oduka Lake in Ikarama community, Bayelsa State, Nigeria, February 8, 2024. REUTERS/ Seun Sanni

          Shell’s exit from onshore operations in Nigeria followed years of accusations of environmental harm, including oil spills. Residents of two Nigerian communities are currently taking legal action against the oil major in the UK and a trial at the High Court is due to begin next year.

          Shell says the majority of spills in the Niger Delta were caused by theft and sabotage and it is therefore not liable.

          According to Atkinson, Shell pivoted away from onshore oil fields that “might have become more trouble than they were worth” while remaining a major player in Nigeria’s oil industry.

          Top green jet fuel producer linked to suspect waste-oil supply chain

          The London-based company has invested billions in offshore gas development in the country. It has also retained a 25.6% stake in Nigeria LNG Limited (NLNG), a liquefied natural gas producer based on Bonny Island.

          As the world’s biggest fossil fuel companies seek to meet their climate targets, a strategic shift “to dodge accountability” by selling more problematic assets is under way, said Sophie Marjanac, director of legal strategy at the Polluter Pays Project, an organisation that campaigns for the oil industry to cover the cost of its environmental damage.

          “By dumping ageing, polluting infrastructure onto smaller operators, they leave behind contamination, and communities facing ongoing harm with little chance of justice,” Marjanac said.

          The post How Shell is still benefiting from offloaded Niger Delta oil assets appeared first on Climate Home News.

          How Shell is still benefiting from offloaded Niger Delta oil assets

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