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Wind and solar are out. Clean, firm power is in.
The Senate Finance committee published its highly anticipated tax proposal for Trump’s One Big, Beautiful Bill on Monday night, including a new plan to revise the nation’s clean energy tax credits.
Senate Republicans widened the aperture slightly compared to the House version of the bill, extending tax credits for geothermal energy, batteries, and hydropower, and preserving “transferability” — a crucial rule that allows companies to sell their tax credits for cash — for years to come.
But the text would still slash many of the signature programs of the Inflation Reduction Act. It would be particularly damaging for Republicans’ goals of creating a domestic mining industry, because it kills incentives for refining critical minerals while yanking away subsidies for the electric cars and wind turbines that might use those minerals.
Consumer tax credits for energy efficiency upgrades, including heat pumps, would still be terminated, as would credits for homeowners to lease or purchase rooftop solar. The Senate bill also cuts a tax deduction for energy efficiency upgrades in commercial buildings one year after the bill’s passage, which was not in the House version.
There was no mercy for the IRA’s tax credit to produce clean hydrogen, despite a last-minute appeal from more than 250 organizations in early June. That policy would still be terminated this year.
Here’s a rundown of the rest of the major changes.
Like the House bill, the Senate’s proposal would terminate tax credits for new, used, and leased electric vehicles. But while the House had extended the program by one year for automakers that had yet to sell 200,000 eligible vehicles, the Senate version would simply end the program in 180 days — or roughly six months — after the bill’s passage.
Depending on when the bill is passed, the Senate version could work out better for some experienced EV automakers, such as Tesla and General Motors. These automakers are set to lose their eligibility for tax credits on December 31 under the House text. But the Senate bill’s 180-day period could allow them to eke out another month or so of eligibility — especially if congressional negotiations over the One Big, Beautiful Bill Act go late into the summer.
Newer EV automakers, such as Rivian or Lucid, come out worse under the Senate text as compared to the House bill since they haven’t sold as many vehicles.
Homeowners interested in electric vehicle chargers would get a longer runway than the House had proposed — but a much shorter one than is on the books right now. Under current law, homeowners can claim the charger tax credit through 2032. The Senate version would terminate the 30% tax credit for installing a home charger one year after the bill is enacted.
The Inflation Reduction Act achieved massive greenhouse gas reductions by including a set of new “technology-neutral” tax credits that subsidized any new power plant as long as it didn’t emit carbon dioxide. Under current law, these new tax credits will remain effective and on the books for decades to come — expiring only when emissions from the country’s power sector fall about 95% below their all-time high.
The Republican reconciliation bills have dismantled these provisions. The House text proposed immediately winding down tax credits for all clean energy sources — except nuclear — and allowed just a 60-day “grace period” for new projects to start construction to claim the credits. Even then, new power plants would have to enter service by 2028 to qualify.
Senate Republicans have countered with a plan that is designed to maintain support for every electricity source that isn’t wind and solar. The GOP Senate caucus favors technologies that can provide power on demand around the clock — such as geothermal, nuclear, hydropower, and batteries — but technically the Senate text allows any zero-carbon, non-solar, non-wind source to qualify for the clean electricity tax credits for the next decade.
The Senate draft erases the provision in the Inflation Reduction Act that would have kept these tax credits in place until the entire United States power sector reduces its emissions. Instead, it adopts the IRA’s alternate phase-out period, with the tax credits beginning to wind down for projects that start construction in 2034.
Tax credits for wind and solar, however, would begin to phase down for projects that start construction next year, and terminate after 2027, with one big exception.
An odd addendum to the wind and solar phase-out would exempt projects that are at least 1 gigawatt, are at least partially on federal land, and have already received a “right-of-way grant or lease” from the Bureau of Land Management as of June 16. It’s unclear which, if any, projects would be helped by this provision. According to the BLM website, it has not granted a right-of-way to any projects that are 1 gigawatt or larger except for the Lava Ridge wind farm, which has been canceled. If the Senate changes the date, however, the Esmeralda 7 solar farm in Nevada may benefit, as the project is more than 6 gigawatts, and is in the final stages of its environmental review.
The Senate text would not do anything to change the eligibility timeline for existing nuclear plants to claim a tax credit, called 45U, designed to keep them solvent. It would keep the schedule written into the Inflation Reduction Act, which has the credit terminating at the end of 2031. It would, however, impose new foreign sourcing restrictions on nuclear fuel, forbidding existing power plants from claiming the tax credit if their fuel comes from Russia, China, Iran, or North Korea. (It makes an exception for power companies that signed a long-term contract to buy foreign fuel before 2023.) The United States formally banned the import of nuclear fuel from Russia last year.
The Inflation Reduction Act subsidized the production of certain clean energy equipment — including solar panels, wind turbines, inverters, and batteries — as well as some of their subcomponents. Under current law, those tax credits will begin to phase out by 25% increments in 2030, so companies can claim 75% of the credit in 2030, 50% in 2031, and zero in 2033.
The IRA also created a new permanent tax credit that covered 10% of the cost of refining or recycling critical minerals.
The new Senate text changes these phase-out deadlines, often for the worse. First, as in the House bill, wind turbines and their subcomponents would no longer qualify for the tax credit starting in 2028. Second, the tax credit for critical minerals would start phasing out in 2031. Under the new calendar, companies would be able to claim 75% of this credit in 2031, 50% in 2032, and zero in 2034.
In practice, this means that the Senate GOP text would end the IRA’s permanent tax credit for producing many critical minerals, which would damage the financial projects of many mineral processing and refining projects. Other types of equipment remain on the Inflation Reduction Act’s original phase-out schedule.
The new Senate text also slightly expands the type of battery components that qualify for the credit. And — in a potentially significant change for some companies — it forbids companies from stacking tax credits for their vertically integrated production process starting in 2027.
While the House did not touch the tax credit for carbon sequestration, the Senate has put forward a key change favored by many proponents of the technology. Under current law, project operators get the highest-value credit if they simply inject captured carbon underground for no other purpose than to keep it out of the atmosphere. Smaller amounts are available for projects that use captured CO2 to nudge more oil out of the ground, also known as “enhanced oil recovery,” or if they use the CO2 in products like cement.
Under the Senate proposal, all carbon sequestration projects, no matter the nature of the carbon storage, would qualify for the same amount.
The biggest clean energy killer in the House-passed bill was a strict sourcing rule for the tax credits that would disqualify projects that use any component, subcomponent or mineral from China. As Heatmap’s Matthew Zeitlin wrote last week, the rules appeared “unworkable” to many companies because they seemingly disqualified projects even if they used a relatively small amount of an otherwise irrelevant Chinese-sourced material — such as a spare bolt or a gram of steel.
Under the House bill, manufacturers would also not be allowed to license a Chinese company’s technology. This measure appeared to directly target Ford, which has proposed manufacturing electric vehicle batteries using technology licensed from the Chinese firm CATL, one of the world’s best producers of EV batteries.
The Senate proposal changes the House provision by adding a complicated new set of definitions about what might qualify as a federal entity of concern. It also introduces a new “safe harbor” formula describing the amount of Chinese-sourced material that can keep a project from receiving a tax credit. We’re still figuring out how these new rules work together, and we’ll update this article as we understand them better.
The House bill also would have severely curtailed a crucial component of the tax credit program called transferability, which allowed developers that couldn’t take full advantage of the subsidies to sell their credits for cash to other companies. The text stripped this option from the tax credits for clean manufacturing (45X), carbon sequestration (45Q), and clean fuels (45Z) beginning in 2028. Without transferability, most carbon sequestration projects will struggle to pencil out, my colleague Katie Brigham reported.
The Senate proposal would restore transferability for the duration of all remaining tax credits.
But it throws another wrench in plans to scale up nuclear, geothermal, and other large capital-intensive projects, because it restricts zero-carbon power plants’ ability to use modified accelerated cost recovery to fund their projects.
The Inflation Reduction Act created a technology-neutral tax credit for low-carbon transportation fuels, like sustainable aviation fuel and biodiesel (45Z). This was the only tax credit that the House GOP had proposed extending, giving projects four more years to qualify. The House bill also said that producers did not have to account for indirect land-use changes as a result of turning crops into fuel — a provision that would enable the corn ethanol industry to claim the credit.
The Senate proposal retains both of those provisions, but reduces the credit amount by 20% for fuels produced from feedstocks sourced from outside the United States. It also introduces a new rule that would prohibit companies from claiming their fuel has a “negative emissions” rate — which some environmental groups warn would subsidize established technologies and distort the market. Proponents of several forms of biomethane have tried to claim they are net-negative because they prevent methane emissions that would have otherwise happened — like when methane is captured from landfills or manure pools.
Confusingly, though, the text makes an exception, allowing negative emissions rates for fuels made from manure — which is the feedstock environmental groups are most concerned about.
This article was updated on June 17 to include the breakdown of 45Z.
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Rob does a post-vacation debrief with Jesse and Heatmap deputy editor Jillian Goodman on the One Big Beautiful Bill.
It’s official. On July 4, President Trump signed the Republican reconciliation bill into law, gutting many of the country’s most significant clean energy tax credits. The future of the American solar, wind, battery, and electric vehicle industries looks very different now than it did last year.
On this week’s episode of Shift Key, we survey the damage and look for bright spots. What did the law, in its final version, actually repeal, and what did it leave intact? How much could still change as the Trump administration implements the law? What does this mean for U.S. economic competitiveness? And how are we feeling about the climate fight today?
Jillian Goodman, Heatmap’s deputy editor, joins us to discuss all these questions and more. Shift Key is hosted by Jesse Jenkins, a professor of energy systems engineering at Princeton University, and Robinson Meyer, Heatmap’s executive editor.
Subscribe to “Shift Key” and find this episode on Apple Podcasts, Spotify, Amazon, YouTube, or wherever you get your podcasts.
You can also add the show’s RSS feed to your podcast app to follow us directly.
Here is an excerpt from our conversation:
Robinson Meyer: I want to ask a version of the Upshift / Downshift question of both of you, which is, how are you feeling?
Jillian Goodman: Dizzy. I’m feeling dizzy.
Jesse Jenkins: I would like a break. Yes.
Meyer: You both had your faces up against the coalface of this policy change over the past two weeks. And I’m not someone who thinks how we feel about climate change is always the most salient question. At some point of working on it professionally, I think one just kind of is like, well, this is the thing I work on, and I get up in the morning and I try to make it better, and it doesn’t really matter whether I’m optimistic or pessimistic at the moment because you just keep pushing. That’s how it works.
Jenkins: I think it’s how you survive in this game this long, is adopting an attitude like that to some degree.
Meyer: The U.S. just went through a kind of clattering change to its energy and climate policy and got rid of a number of policies that, although flawed, were pushing the U.S. energy system in the right direction, and were a real vote of confidence and of good faith in the energy transition. Has watching the events of the past two weeks made you feel pessimistic about the energy transition to come? Or are you feeling like, you know, for a world where Trump won, for a world where the U.S. faced the constraints and the political environment that it did in 2023 and 2024 and 2025, we can work with this and there’s gonna be new stuff coming down the pipeline and we’re gonna keep deploying.
Goodman: I will say, kind of similar to you, Rob, doing this work is sort of my way of processing my climate anxiety, or at least putting some kind of wall of professionalism between that climate anxiety and my daily life. Like, this is my contribution, and I think about it as a professional, and I don’t really think about it as a human as often.
I will say, it’s shocking to me how much of a … you know, it is not a 100% policy reversal, but the extent to which the government of the United States was willing to throw out its existing climate policy that took however many years and decades to get to just really kind of floors me. And it’s the kind of thing that we can’t do again, at least not in this way. It’s not that U.S. companies will never again trust a climate-oriented tax credit. I think that’s a bit of an overstatement. But this approach has been tried, and then it’s been undone. And so whatever approach is tried in the future will have to be something new, and it’ll have to be motivated by different arguments, and it will have to have different structures. And that project, I think, is also kind of daunting.
Jenkins: Yeah, so look, this is a terrible piece of policy for the United States, and for the world. And so on the one hand, I’m mad as hell about it, right? I mean, we haven’t even talked about the broader effects beyond climate of this bill. It’s going to kick nearly one in 20 Americans off of their health insurance. It’s going to explode the deficit so that we can mostly give tax cuts to wealthy people and corporations who don’t need it. It’s going to reduce food stamp spending for people who can’t afford to eat so that people who can afford first class flights can have another vacation. Like, this is just bad policy, and it is a bad way to do energy policy, to completely reverse course just because the other guy won the election, rather than to have a more thoughtful rationalization of the tax code for energy investment.
I think it’s particularly scary to think about the implications for our automotive sector, having basically replaced a pretty thoughtful and fairly successful domestic industrial strategy around EVs and batteries with basically nothing except for some subsidies that build a wall around the United States is really concerning.I don’t know that we’re gonna have a globally relevant auto industry in five years …
Mentioned:
The REPEAT Project report on what the OBBBA will mean for the future of American emissions
The Bipartisan Policy Center’s foreign entities of concern explainer
The new White House executive order about renewables tax credits
And here’s more of Heatmap’s coverage from the endgame of OBBBA.
This episode of Shift Key is sponsored by …
The Yale Center for Business and the Environment’s online clean energy programs equip you with tangible skills and powerful networks—and you can continue working while learning. In just five hours a week, propel your career and make a difference.
Music for Shift Key is by Adam Kromelow.
When Congress rescinded unobligated funds from the historic climate law, it inadvertently answered a question climate advocates have been asking for months.
The Biden administration left office without ever disclosing how much of the historic climate funding from the Inflation Reduction Act it had spent.
Politico reached out to every federal agency in November in an attempt to answer that question and could only conclude that it was a “big mystery.” The administration had announced awards for about 67% of the $145.4 billion in grants created by the IRA, the outlet found, but the amount that had been obligated — meaning legally committed and therefore, at least in theory, protected — remained largely unknown.
That continued to be true right up until the legislative process for Trump’s One Big Beautiful Bill. In addition to overhauling the IRA’s clean energy tax credits, Republicans in Congress rescinded the unobligated funds from 47 of the law’s more than 80 climate and environmental programs. According to scores from the Congressional Budget Office, $31.7 billion of the $93.4 billion for those programs, or about 34%, was left.
That means the Biden administration spent or contracted out about two-thirds of the funding from these programs. The data puts into focus what the ultimate effects and outcomes of the Inflation Reduction Act will be over the coming decades — or rather, what they could be, if the Trump administration upholds existing contracts. Whether the administration must honor these agreements is the subject of several ongoing lawsuits.
But we can see, for example, that the Environmental Protection Agency, which had the largest appropriation from the IRA of any agency, obligated the vast majority of that money to states, tribes, nonprofits, and other beneficiaries. Billions of dollars to monitor and address air pollution in low-income communities and at schools, to phase down planet-warming refrigerants and transition to next-generation technologies, and to help states build out and implement their climate action plans should theoretically be flowing into the economy, so long as the contracts are ultimately honored. The entirety of the $27 billion Greenhouse Gas Reduction Fund was obligated, and while the EPA has attempted to claw back roughly $20 billion of that — a process that has been held up in the courts — the $7 billion set aside for a low-income solar program called Solar For All is actively funding new projects around the country.
The agency under Biden was less successful in standing up a series of programs designed to advance greenhouse gas emissions reporting. Initiatives to improve the labeling systems for low-carbon construction materials and to standardize corporate emissions reporting never really got off the ground.
The Department of Agriculture was also an efficient spender. While the data shows it had obligated only about $7 billion of the more than $18 billion allocated for climate-focused conservation programs, only $10 billion of the funding was actually available for the department to use by the time Biden left office. On the one hand, that means it awarded 70% of the available funds. On the other, that means Congress has now evaporated a whopping $11 billion that could have been disbursed.
The Forest Service, which is under the USDA, also deployed more than $2 billion, or about 93% of its funding for National Forest restoration, urban forestry, and climate mitigation grants for private forest owners.
There are limitations to the data. It shows that the Department of Energy only spent about 39% of its funding, but because the Budget Office did not break out the rescissions by program, we can’t see how far along the agency got with each one, or how much of each was clawed back. The data can also be somewhat misleading, as several of the programs provide loans and loan guarantees, while the OBBB only rescinded “credit subsidies,” i.e. money to cover the costs of this lending service. In other words, this doesn’t tell us much about how much Biden’s Loan Programs Office accomplished. But in this case the office’s website helps fill out the picture: It lists 23 active loans that were made after the IRA passed, worth nearly $58 billion. (The IRA appropriated about $11.7 billion in credit subsidies to the Loan Programs Office.)
I also put together a list of programs that Congress did not rescind, as they show which IRA creations the GOP either deemed worthwhile or too depleted, a.k.a. obligated, to be worth the effort. Several big-ticket items jump out. As I’ve previously written, two rebate programs for home efficiency improvements remain intact, although most of the $8.8 billion in funding is currently paused. Drought mitigation, water access, and tribal electrification and climate resilience grants were also untouched. A $3 billion EPA program to reduce air pollution at ports made it through the gambit after an initial House draft of the OBBB had proposed killing it.
Republicans in Congress also preserved a nearly $10 billion program to help rural electric cooperatives invest in clean energy and energy efficiency. Rural coops disproportionately rely on coal-fired power plants, burdening their members with higher energy prices and dirtier air. While the National Rural Electric Cooperative Association is a major advocate for coal power and has applauded Trump’s moves to boost it, the group also championed the rural clean energy program, with its CEO telling E&E News last fall that the program was oversubscribed and that “there is an appetite for investing in clean energy.”
To be sure, the question of whether and to what extent the Trump administration will disburse previously obligated funds or continue to spend down the remaining programs is a big one. But the supposition that the OBBB “killed” the IRA is also not really accurate. Between obligated funds and the programs that weren’t rescinded, more than $105 billion could still flow into the economy to fight climate change.
Unlike just about every other car sales event, this one has a real — congressionally mandated — end date.
Car salespeople, like all salespeople, love to project a sense of urgency. You know the familiar seasonal rhythm of the TV commercial: Toyotathon is on now — but hurry in, because these deals won’t last. The end of the discount is, of course, an arbitrary deadline invented to juice that month’s sales figures; there’ll be another sale soon.
But in the electric vehicle market there’s about to be a fire sale, and this time it really is a race against the clock.
Federal incentives for EVs and EV equipment were critically endangered the moment Donald Trump won the 2024 presidential election. Now, with the passage of the omnibus budget reconciliation bill on the Fourth of July, they have a hard expiration date. Most importantly, the $7,500 federal tax credit for an EV purchase is dead after September 30. Drivers who might want to go electric and dealerships and car companies eager to unload EVs are suddenly in a furor to get deals done before the calendar turns to October.
The impending end of the tax credit has already become a sales pitch. Tesla, faced with sagging sales numbers thanks in part to Elon Musk’s misadventures in the Trump administration, has been sending a steady slog of emails trying to convince me to replace my just-paid-off Model 3 with another one. The brand didn’t take long to turn the impending EV gloom into a short-term sales opportunity. “Order soon to get your $7,500,” declared an email blast sent just days after Trump signed the bill.
On Reddit, the general manager of a Mississippi dealership posted to the community devoted to the Ioniq 9, Hyundai’s new three-row all-electric SUV, to appeal to anyone who might be interested in one of the three models that just appeared on their lot. It’s an unusual strategy, a local dealer seeking out a nationwide group of enthusiasts just to move a trio of vehicles. But it’s not hard to see the economic writing on the wall.
The Ioniq 9 is a cool and capable vehicle, but one that starts at $59,000 in its most basic form and quickly rises into the $60,000s and $70,000s with fancier versions. Even with the discount, the Ioniq 9 costs far more than many of the more affordable gas-powered three-row crossovers. And now the vehicle has come down with a serious case of unlucky timing, with deliveries beginning this summer just ahead of the incentive’s disappearance. As of October 1, the EV could become an albatross that nobody in suburban Memphis wants to drive off the lot.
Over the past year, Ford has offered the Ford Power Promise, an excellent deal that throws in a free home charger plus the cost of installation to anyone who buys a new EV. That deal was supposed to expire this summer. But the Detroit giant has extended its offer until — surprise — Sept. 30, in the hopes of enticing a wave of buyers while the getting is good.
This isn’t the first time EV-makers have been through such a deadline crunch. When the $7,500 federal tax credit for EV purchases first started in 2010, the law was written so that the benefit phased out over time once a car company passed a particular sales threshold. By the time I bought my EV in the spring of 2019, for example, Tesla had already sold so many vehicles that its tax credit was halved from $7,500 to $3,750. We had to rush to take delivery in the last few days of June as the benefit was slated to fall again, to $1,875, on July 1, before it disappeared completely in 2020.
The Inflation Reduction Act passed under President Biden not only reinstated the $7,500 credit but also took away the gradual decline of the benefit; it was supposed to stick around, in full, until 2032. But despite Trump’s on-again, off-again bromance with Elon Musk, the president followed through on his long-term antagonistic rhetoric against EVs by repealing the benefit as part of this month’s disastrous big bill.
Trump, despite his best efforts, won’t kill the EV. The electric horse has simply left the barn — the world has come too far and seen too much of what electrification has to offer to turn back just because the current U.S. president wants it to. But the end of the EV tax credit (until a different regime comes into power, at least) seriously imperils the economic math that allowed EV sales to rise steadily over the past few years.
As a result, now might be the best time for a long time to buy or lease an electric vehicle, with remarkably low lease payments to be found on great EVs like the Hyundai Ioniq 5 and Chevy Equinox. Once the tax breaks are gone, lease deals (which got lots of drivers into EVs without them having to worry about long-term ownership questions) are likely to grow less enticing. EVs that would have been cost-competitive with gasoline counterparts when the tax credits taken into account suddenly aren’t.
Plenty of drivers will continue to choose electric even at a premium price because it’s a better product, sure. But hopes of reaching many more budget-first buyers have taken a serious hit. It could be a dream summer to buy an EV, but we’re all going to wake up when September ends.