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Let’s play out what could happen as the House Ways and Means Committee does its work.

One of the most important fights over the Inflation Reduction Act’s survival has finally arrived. But it’s not playing out in the open. It’s happening behind the closed doors of a powerful House committee in charge of tax policy.
The House Ways and Means Committee is writing its version of Republicans’ budget reconciliation bill, the centerpiece of President Donald Trump’s legislative agenda. The committee could release that text as soon as mid-May. And other than a few broad outlines — the text will extend Trump’s tax cuts for the wealthy, and it will increase the deficit by no more than $2.8 trillion — nobody has any idea what it will say.
Whatever the final text, though, will give us the first real sense of how likely the Inflation Reduction Act’s tax credits are to survive in the Trump tax bill. After months of speculation and tea leaf-reading, the House Ways and Means Committee’s draft will represent an opening position of sorts for Republican leadership — and illustrate just how close to repeal the majority is willing to get.
The committee could take a scorched-earth approach, cutting essentially every IRA tax credit in order to force members to fight to get policies back into the final bill. Or it could reform some tax credits so significantly that it effectively repeals the IRA, even if many policies remain on the books.
It could also reform some credits — such as the electric vehicle and clean electricity tax credits — while leaving most others untouched.
The most important suggestion of what will be in the final version came on Thursday in a new letter addressed to Jason Smith, the Ways and Means Committee chairman, and signed by 38 House Republicans. The letter demands the IRA’s full repeal — essentially heralding a potential new “anti-IRA” caucus within the GOP.
“We are deeply concerned that President Trump’s commitment to restoring American energy dominance and ending what he calls the ’‘green new scam’ is being undermined by parochial interests and short-sighted political calculations,” the letter says.
The letter writers focus their ire on subsidies for “wind and biofuel[s] … carbon capture and hydrogen … [and] solar and electric vehicles” that they say form the backbone of the bill.
So far, House Republicans have largely written letters about the IRA to call for its preservation. Last summer, 18 House Republicans wrote to Speaker of the House Mike Johnson to ask him to move gingerly around any “repeal or reform” of the tax credits should Republicans win the November election.
“We must reverse the policies which refine American families while protecting and refining those that are making our country more energy independent and America more energy secure,” the letter said.
Since then, the number of pro-IRA voices in the GOP has risen. Last month, 21 House Republicans wrote to Johnson again in support of the law. But their language was slightly changed, advising that any reforms proceed in a “targeted and pragmatic fashion.” They did, however, oppose “premature credit phase outs” or restrictions on transferability.
Speaking earlier this week at a Semafor event, the Illinois Republican and Ways and Means member Darin LaHood imagined phasing out some of the energy tax credits earlier.
“The approach we’'re looking at now is how you have an appropriate ramp-down [of IRA tax credits] that allows for businesses and companies to continue to be active in this space, but also saves money," LaHood said.
He added that there is a “bullseye” on the clean energy law, and said that “we’ll see” whether any of its provisions are preserved.
Whatever form the final law takes, this legislative vehicle will likely determine the fate of the IRA’s energy tax credits and other climate spending. Trump has lambasted the IRA, and some Republicans believe that its tax credits should be repealed to pay for their tax cuts for wealthy earners.
Ways and Means will not automatically control the final product. Ultimately, they will have to reconcile their version of the text with what’s written by their counterpart, the Senate Finance Committee. Other committees will oversee the IRA’s environmental grants and loans. (My colleague Emily Pontecorvo wrote about the first markup — from the House Transportation and Infrastructure Committee — on Tuesday.) But the Senate has a more forgiving budget target than the House does, which means the Ways and Means Committee is where the IRA could go to die. That’s because it oversees tax policy — and therefore manages the IRA’s all-important tax credits.
The committee also has a spending problem. The legislative process Republicans have chosen to pass their budget bill, known as reconciliation, begins with establishing binding spending limits for committees in both the House and the Senate. That process wrapped up last month.
Under the guidelines passed by the House earlier this year, the Ways and Means Committee can expand the deficit by as much as $4.5 trillion. But simply extending the 2017 tax cuts’ expiring provisions will cost $4.4 trillion — and the committee wants to do more besides, including expanding the deductions that people can claim for their local and state taxes. The committee will struggle to pay for everything it wants to do — and it could look to repealing parts of the IRA to fix it.
It doesn’t help that Representative Jason Smith of Missouri, the Ways and Means chairman, has called the IRA “welfare for the wealthy and well-connected.”
The committee’s conservative bent — and the fact that GOP lawmakers broadly want to stay on track to pass a bill by the end of the summer — mean that the IRA tax cuts are especially vulnerable during this period.
Most of the IRA’s tax credits are due to sunset in 2032. But one measure — a technology-neutral credit to support new clean electricity generation — could run for much longer than that.
Under the law as it stands today, that credit is supposed to last until the United States eliminates much of the greenhouse gas emissions produced by its power grid as compared to 2022 levels. Even if the credit remains in place, that could take another 30 or 40 years to happen, by one estimate — making the tech-neutral tax credit one of the most important climate policies in the law. The IRA’s power sector policies are responsible for more than 80% of the law’s emissions-reducing impact.
That also makes it among the most expensive policies in the law. When Republicans talk about ending tax credits early, the tech-neutral tax credit is an obvious target. Two lawmakers from North Dakota — Representative Julie Fedorchak and Senator Kevin Cramer — are working on language to phase out some tax credits in five years, Axios Pro has reported.
That would shut down the credit by 2030. But ending the credit by then could reshape what kind of energy technologies the law supports. Republicans tend not to see all zero-carbon electricity equally — while they often champion nuclear and advanced geothermal generation, many look less favorably on wind and solar power.
But by terminating the tech-neutral tax credit at the end of the decade, Republicans could help essentially the very technologies they don’t want. There are no new nuclear or geothermal projects in the development pipeline across the country, and new ones are unlikely to crop up until the late 2020s at the earliest. Under the law, energy projects must be “placed in service” by the time a tax credit expires, meaning that virtually no new nuclear or geothermal projects could qualify.
New nuclear projects will face especially serious trouble if the Trump administration guts the Department of Energy’s in-house bank, the Loan Programs Office, as now seems likely.
At the same time, there are plenty of new solar and battery projects planned across the country. Developers of these projects could rush to get them into service before a potential 2029 sunset date. The industry even has experience hurrying projects to completion: It often had to do so during the 2010s, when the solar investment tax credit faced repeated expirations.
Other Republicans have suggested terminating the law’s transferability clause. Under the IRA as it stands today, companies can sell their tax credits to other firms that can better use the subsidy. Depending on how it’s implemented, that reform could hurt the IRA by reducing the value of its tax credits, because companies will have to adopt more complicated financial structures in order to claim a given subsidy. Historically, solar and wind developers have more experience adopting these arcane structures than the nuclear or geothermal industries, which have fewer projects under their belt.
Speaking at a Heatmap event on Thursday, Republican Senator John Curtis of Utah said he was still hopeful that the IRA would survive without significant cuts.
“I don’t think that makes it through the House,” he said when asked if the Ways and Means Committee could slash the IRA tax credits outright. “There’s a lot of insecurities in the Republican Party about not cutting and about where the boundaries are.”
We’ll have a much better sense of where those boundaries are soon.
Editor’s note: Updates to reflect Ways and Means delaying its markup.
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The move would mark a significant escalation in Trump’s hostility toward climate diplomacy.
The United States is departing the United Nations Framework Convention on Climate Change, the overarching treaty that has organized global climate diplomacy for more than 30 years, according to the Associated Press.
The withdrawal, if confirmed, marks a significant escalation of President Trump’s war on environmental diplomacy beyond what he waged in his first term.
Trump has twice removed the U.S. from the Paris Agreement, a largely nonbinding pact that commits the world’s countries to report their carbon emissions reduction goals on a multi-year basis. He most recently did so in 2025, after President Biden rejoined the treaty.
But Trump has never previously touched the UNFCCC. That older pact was ratified by the Senate, and it has served as the institutional skeleton for all subsequent international climate diplomacy, including the Paris Agreement.
The United States was a founding member of the UN Framework Convention on Climate Change. It first joined the treaty in 1992, when President George H.W. Bush signed the pact and lawmakers unanimously ratified it.
Every other country in the world belongs to the UNFCCC. By withdrawing from the treaty, the U.S. would likely be locked out of the Conference of the Parties, the annual UN summit on climate change. It could also lose any influence over UN spending to drive climate adaptation in developing countries.
It remains unclear whether another president could rejoin the framework convention without a Senate vote.
As of 6 p.m. Eastern on Wednesday, the AP report cited a U.S. official who spoke on condition of anonymity because the news had not yet been announced.
The Trump administration has yet to confirm the departure. On Wednesday afternoon, the White House posted a notice to its website saying that the U.S. would leave dozens of UN groups, including those that “promote radical climate policies,” without providing specifics. The announcement was taken down from the White House website after a few minutes.
The White House later confirmed the departure from 31 UN entities in a post on the social network X, but did not list the groups in question.
Bloom Energy is riding the data center wave to new heights.
Fuel cells are back — or at least one company’s are.
Bloom Energy, the longtime standard-bearer of the fuel cell industry, has seen its share of ups and downs before. Following its 2018 IPO, its stock price shot up to over $34 before falling to under $3 a share in October 2019, then soared to over $42 in the COVID-era market euphoria before falling again to under $10 in 2024. Its market capitalization has bounced up and down over the years, from an all time low of less than $1 billion in 2019 and further struggles in early 2020 after it was forced to restate years of earnings thanks to an accounting error after already struggling to be profitable, up again to more than $7 billion in 2021 amidst a surge of interest in backup power.
The stock began soaring (again) in the middle of last year as anything and everything plausibly connected to artificial intelligence was going vertical. Today, Bloom Energy is trading at more than $111 a share, with a market cap north of $26 billion — and that’s after a dramatic fall from its all-time high price of over $135 per share, reached in November. By contrast, Southwest Airlines is worth around $22 billion; Edison International, the parent company of Southern California Edison, is worth about $22.5 billion.
This is all despite Bloom recording regular losses according to generally accepted accounting principles, although its quarterly revenue has risen by over 50%, and its reported non-GAAP and adjusted margins and profits have grown considerably. The company has signed deals or deployed its fuel cells with Oracle, the utility AEP, Amazon Web Services, gas providers, the network infrastructure company Equinix, the real estate developer Brookfield, and the artificial intelligence infrastructure company CoreWeave, Bloom’s chief executive and founder, KR Sridhar, said in its October earnings call.
While fuel cells have been pitched for decades as a way to safely use hydrogen for energy, fuel cells can also run on natural gas or biogas, which the company has seized on as a way to ride the data center boom. Bloom leadership has said that the company will double its manufacturing capacity by the end of this year, which it says will “support” a projected four-fold annual revenue increase. “The AI build-outs and their power demands are making on-site power generated by natural gas a necessity,” Sridhar said during the earnings call.
To get a sense of how euphoric perception of Bloom Energy has been, Morgan Stanley bumped its price target from $44 dollars a share to $85 on September 16 — then just over a month later, bumped it again to $155, calling the company “one of our favorite ‘time to power’ stocks given its available capacity and near-term expansion plans.”
Bloom has also won plaudits from semiconductor and data center industry analysts. The research firm SemiAnalysis described Bloom’s fuel cells as a “a fairly niche solution [that] is now taking an increasingly large share of the pie.”
It’s been a long journey from green tech darling to AI infrastructure for Bloom Energy — and fuel cells as a technology.
Bloom was founded in 2001, originally as Ion America, and quickly attracted high profile Silicon Valley investors. By 2010, fuel cells (and Bloom) were still being pitched as the generation source of the future, with The New York Times reporting in 2010 that Bloom had “spent nearly a decade developing a new variety of solid oxide fuel cell, considered the most efficient but most technologically challenging fuel-cell technology.” That product launch followed some $400 million in funding, and Bloom would hit an almost $3 billion valuation in 2011.
By 2016, however, when the company first filed with the Securities and Exchange Commission to sell shares to the public, it was being described by the Wall Street Journal as “a once-ballyhooed alternative energy startup,” in an article that said the fuel cell industry had been an “elusive target for decades, with a succession of companies unable to realize its business potential.” The company finally went public in 2018 at a valuation of $1.6 billion.
Then came the AI boom.
Fuel cells don’t use combustion to generate power, instead combining oxygen ions with hydrogen from natural gas and generating emissions of carbon dioxide and water, albeit without the particulate pollution of other forms of fossil-fuel-based electricity generation. This makes the process of getting permits from the Environmental Protection Agency “significantly smoother and easier than that of combustion generators,” SemiAnalysis wrote in a report.
In today’s context, Bloom’s fuel cells are yet another on-site, behind-the-meter natural gas power solution for data centers. “The rapid expansion of AI data centers in the U.S. is colliding with grid bottlenecks, driving operators to adopt BTM generation for speed-to-power and resilience to their modularity, fast deployment, and ability to handle volatile AI workloads,” Jefferies analyst Dushyant Ailani wrote in a note to clients. “Natural gas reciprocating engines, Batteries, and Bloom fuel cells are emerging as a preferred solution due to their modularity, fast deployment, and ability to handle volatile AI workloads.”
SemiAnalysis estimates that capital expenditure for Bloom fuel cells are substantially higher than those for gas turbines on a kilowatt-hour basis — $3,000 to $4,000 for fuel cells, compared to between $1,500 and $2,500 for turbines. But where the company excels is in speed. “The big turbines are sold out for four or five years,” Maheep Mandloi, an analyst at Mizuho Securities, told me. “The smaller ones for behind the meter for one to two years. These guys can deliver, if needed, within 90 days.”
Like other data center-related companies, Bloom has faced some local opposition, though not a debilitating amount. In Hilliard, Ohio, the state siting board overrode concerns about the deployment of more than 200 fuel cells at an AWS facility.
Bloom is also far from the only company that has realigned itself to ride the AI wave. Caterpillar, which makes simple turbine systems largely for the oil and gas industry, has become a data center darling, while the major turbine manufacturers Mitsubishi, Siemens Energy, and GE Vernova have all seen dramatic increases in their stock price in the last year. Korean industrial conglomerate Doosan is now developing a new large-scale turbine. Even the supersonic jet startup Boom is developing a gas turbine for data centers.
While artificial intelligence — or at least artificial intelligence companies — promises unforeseen technological and scientific advancements, so far it’s being powered by the technological and scientific advancements of the past.
On AI forecasts, California bills, and Trump’s fusion push
Current conditions: The intense rain pummeling Southern California since the start of the new year has subsided, but not before boosting Los Angeles’ total rainfall for the wet season that started in October a whopping 343% above the historical average • The polar vortex freezing the Great Lakes and Northeast is moving northward, allowing temperatures in Chicago to rise nearly 20 degrees Fahrenheit • The heat wave in southern Australia is set to send temperatures soaring above 113 degrees.

It’s not the kind of thing anyone a decade ago would have imagined: a communique signed by most of Western Europe’s preeminent powers condemning Washington’s efforts to seize territory from a fellow NATO ally. But in the days since the United States launched a surprise raid on Venezuela and arrested its long-time leader Nicolás Maduro, President Donald Trump has stepped up his public lobbying of Denmark to cede sovereignty over Greenland to the U.S. Senator Thom Tillis, the North Carolina Republican, and Senator Jeanne Shaheen, the Democrat from New Hampshire, put out a rare bipartisan statement criticizing the White House’s pressure campaign on Denmark, “one of our oldest and most reliable allies.” While Stephen Miller, Trump’s hard-line deputy chief of staff, declined to rule out an invasion of Greenland during a TV appearance this week, The Wall Street Journal reported Tuesday that Secretary of State Marco Rubio told lawmakers that the goal of the administration’s recent threats against the autonomously-governed Arctic island were to press Denmark into a sale.
The U.S. unsuccessfully tried acquiring Greenland multiple times during the 20th century, and invaded the island during World War II to prevent the Nazis from gaining a North American foothold after Denmark fell in the blitzkrieg. Indeed, Washington purchased the U.S. Virgin Islands, its second largest Caribbean territory, shortly after the 1898 Spanish-American war that brought Puerto Rico under American control. But the national-security logic of taking Greenland now, when the U.S. already maintains a military base there, is difficult to parse. “Greenland already is in the U.S. sphere of influence,” Columbia University political scientist Elizabeth N. Saunders wrote in a post on Bluesky. “It’s far cheaper for the U.S., in material, security, and reputational terms, to have Denmark continue administering Greenland and work within NATO on security.” One potential reason Trump might want the territory, as Heatmap’s Jael Holzman wrote last fall, is to access Greenland’s mineral wealth. But the logistics of getting rare earths out of both the ground and the Arctic to refineries in the U.S. are challenging. Meanwhile, in other imperialistic activities, Trump said Tuesday evening in a post on Truth Social that Venezuela would cede between 30 million and 50 million barrels of oil to the U.S., though the legal mechanism for such a transfer remains murky, according to The New York Times.
I told you last month about the in-house market monitor at the PJM Interconnection, the country’s largest power grid, urging federal regulators to prevent more data centers coming online within its territory until it can sort out how to reliably supply them with electricity. As Heatmap’s Matthew Zeitlin wrote days later, “everyone wants to know PJM’s data center plan.” On Tuesday, E&E News reported that PJM is expected to ratchet down its forecasts for how much power demand artificial intelligence will add on the East Coast. When the grid operator’s latest analysis of future needs comes out later this month, PJM Chief Operating Officer Stu Bresler said during a call last month that the projections for mid-2027 will be “appreciably lower” than the current forecast.
The merger of the parent company of Trump’s TruthSocial website and the nuclear fusion developer TAE Technologies, as I reported in this newsletter last month, is “flabbergasting” to analysts. And yet the pair’s partnership is advancing. On Tuesday, the companies announced that site selection was underway for a pilot-scale power plant set to begin construction later this year. The first facility would generate just 50 megawatts of electricity. But the companies said future plants are expected to pump out as much as 500 megawatts of power.
Meanwhile, the rival startup widely seen as the frontrunner to build America’s first fusion plant unveiled new deals of its own. Over at the CES 2026 electronics show in Las Vegas on Tuesday, Commonwealth Fusion Systems — which analysts say is taking a more simplified and straightforward pathway to commercializing fusion power than TAE — touted a new deal with microchip giant Nvidia and told the crowd at the conference that it had installed the first magnet at its pilot reactor, TechCrunch reported.
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Scott Wiener, the California state senator making a bid for Representative Nancy Pelosi’s long-held House seat, introduced two new bills he said were designed to ease rising energy costs. The first bill is meant to “get rid of a bunch of that red tape” that makes installing a heat pump expensive and challenging in the state, the Democrat explained in a video posted on Bluesky. The second piece of legislation would clear the way for renters to install small, plug-in solar panels on apartment balconies. “Right now, in California, it is way, way, way too hard, if not impossible, to install these kinds of units,” Wiener said. “We have to make energy more affordable for people.”
Sunrun is forming a new joint venture with the green infrastructure investor HASI to finance deployment of at least 300 megawatts of solar across what the companies billed as “more than 40,000 home power plants across the country.” As part of the deal, which closed last month, HASI will invest $500 million over an 18-month period into the new company, allowing the nation’s largest solar installer to “retain a significant long-term ownership position” in the projects. As I reported for exclusively Heatmap in October, a recent analysis by the nonprofit Permit Power, which advocates for easing red tape on rooftop solar, found that the cost of solar panels in the U.S. was far higher than in Australia or Germany due to bureaucratic rules. The HASI investment will help bring down the costs for Sunrun directly as it installs more panels.
Total U.S. utility-scale solar installations for 2025 were on track last month to beat the previous year, as I reported in this newsletter. But the phaseout of federal tax credits next year is set to dim the industry somewhat as projects race to start construction before the expiration date.
In another session at CES 2026, the electric transportation company Donut Labs claimed it’s made an affordable, energy-dense solid state battery that’s powering a new motorcycle and charges in just five minutes. The startup hasn’t yet produced any independent verification of those promises. But the company is known for what InsideEVs called its “sci-fi wheel-in electric motor” for its bikes.