Since Donald Trump was reelected president, the climate community has retained a kind of fragile optimism about the Inflation Reduction Act, the historic climate law enacted in 2022 that Trump has vowed to repeal. The oft-repeated mantra is that the IRA is stimulating billions of dollars in investment in red districts, so why would Republicans want to put that at risk? Even if parts of the legislation were killed, surely some of it would remain intact.
But recent events have shifted the calculus. The ballooning price tag of Trump’s tax cut wishlist and preliminary budget negotiations on the Hill are pointing toward a budgetary showdown in which many of the law’s benefits could become fiscal casualties. D.C. veterans, including former GOP Hill staff, say that even the most bipartisan parts of the IRA could be sacrificed.
The reason has to do with the rules of budget reconciliation, the process Republicans in the House and Senate will use to carry out Trump’s agenda over the next several months and the same process Democrats used to pass the Inflation Reduction Act. One of Trump’s biggest legislative priorities is extending the 2017 Tax Cuts and Jobs Act, much of which expires at the end of this year. He also wants to make good on campaign promises to eliminate taxes on tips, overtime pay, and Social Security, and remove the cap on the state and local tax liability deductions.
To do this through the normal legislative process would subject the bill to a potential filibuster in the Senate, which would require 60 votes to override, a margin Senate Republicans lack. Budget reconciliation, however, requires only a simple majority. But there’s a catch: The bill can only contain policies that modify federal spending or revenues. It cannot contain a single provision that doesn’t pertain to the federal budget. And before lawmakers can decide what policies to put in it, they must agree on how much the bill will affect the federal budget. Once they set that topline number, they can’t change it.
“Reconciliation math is at least as important as the merits of reconciliation policies,” Alex Flint, executive director of the Alliance for Market Solutions, told Heatmap. Flint was previously a Republican staff director on the Senate Energy and Natural Resources Committee and top government affairs executive at the Nuclear Energy Institute. “I think a lot of people with specific interests in the tax code fail to look at the scale of the issue that tax writers have to deal with,” he said, adding that whether IRA money has been spent in a given district will probably be a “second or third order factor” in that representative’s vote.
Congress is still at the beginning of the reconciliation process. The next step is for the House and Senate to negotiate a topline number and issue instructions to the committees that will write the final bill on the levels of spending they’re allowed to include. That’s where the punishing math for the IRA comes in. The Congressional Budget Office, as well as third-party groups like the Tax Foundation and the Penn Wharton Budget Model, have estimated that an extension of the 2017 tax cuts would cost between $3.7 and $4.5 trillion through 2034. If all of Trump’s additional proposed tax cuts were enacted, the cost would jump to $6.8 trillion, according to Penn Wharton.
The dollar amount assigned to each committee is a ceiling, and it’s calculated on a net basis. So if the Ways and Means committee, which oversees tax legislation, is assigned a $4.5 trillion deficit ceiling, as it was in the version of the reconciliation instructions that recently passed the House, it’s going to have to find several trillion dollars worth of spending programs to cut. Fully repealing the Inflation Reduction Act’s green energy tax credits — which, according to new modeling from the nonpartisan Tax Foundation, would raise about $850 billion — will start to look harder to avoid.
In a recent talk hosted by the American Enterprise Institute, Jason Smith, a representative from Missouri and Chairman of the Ways and Means Committee, indicated that his party was committed to achieving Trump’s entire agenda through reconciliation. “These are items that he campaigned on, and these are items that will be addressed in any tax package that we move forward on,” he said.
Tax credits related to electric vehicles and green buildings are already almost certainly on the chopping block, but cutting those would raise just $300 billion, according to the Tax Foundation. Lawmakers have other options to achieve significant deficit reductions without fully eliminating the IRA, however. The Tax Foundation’s analysis found that Congress could preserve the nuclear power production tax credit and the carbon capture tax credit — two IRA provisions many Republicans support — as well as a stripped-down version of the renewable energy production tax credit and still raise a respectable $750 billion.
Alex Brill, a former Republican chief economist to the Ways and Means Committee and current fellow at the American Enterprise Institute, told Heatmap that we might see efforts to “rightsize” or “reform” certain tax credits rather than repeal them. Lawmakers could keep the clean electricity tax credits in place for a few more years as an apparent compromise, for example, but phase them out in 2029 or 2030, which is when the Congressional Budget Office estimates they’ll start to be more heavily utilized, and therefore more expensive.
“There’s this possibility that they may be looking at the timing and the duration of some of these provisions,” Brill said.
The IRA prescribes no end date for those credits, which as of now will stay in place until U.S. electricity emissions fall to 25% of their 2022 levels. Jason Clark, the former chief strategist at the American Clean Power Association, told Jael in October that an earlier phase-out would drastically undercut U.S. renewables deployment. “I don’t think a lot of folks appreciate just how long-range some of this planning is — how long it takes to permit something, how long it takes to figure out the interconnection queue. Companies aren’t just thinking, what are we going to build this year? They’re thinking, what will be put online in 2035? So if the government changes the stability of that, companies start to pull back.”
There is another scenario on the table that could save a significant chunk of the IRA, but it would come with its own nontrivial drawbacks.
Republican leaders in the Senate are trying to change the baseline against which all of these budget calculations are made. They argue that the tax cut extensions should be viewed as avoiding a tax increase, not enacting a new tax cut. By this logic, the extensions don’t cost anything, and $6.8 trillion in total tax cuts looks more like $2.8 trillion. That would give Republicans more room to increase spending on a range of other priorities, including defense and immigration enforcement, without having to make tough trade-offs.
This has never been done before, and to call it controversial would be an understatement. Deficit hawks on both sides of the aisle oppose the maneuver, calling it a “gimmick” and “magic math.” A recent Politico article declared that moving to a current policy baseline approach would “break the Senate, upend the federal budget process and explode the national debt.”
Before Republicans can move ahead, they need guidance from the Senate Parliamentarian, an advisor to the Senate tasked with interpreting the rules that govern the body. If the Parliamentarian doesn’t approve, the Senate is technically allowed to ignore or fire her. But this would create a new political firestorm.
Flint said that however this baseline debate plays out will tell us how much danger the IRA is facing. Brill had a slightly different perspective. He said he would expect Congress to set the topline budget resolution numbers lower if it moves ahead with this fuzzy math. But he agreed that assuming the IRA will be saved by its Republican beneficiaries fails to see the whole picture.
“They will be looking at the revenue consequences of changes, and they’ll be looking at the efficiency of these policies,” Brill said. “Are they operating as intended? Are they the size and scope and scale that seem reasonable and appropriate to lawmakers? I think they’re going to be thinking about this in a lot of different dimensions.”
While some oil and gas majors such as Exxon and Occidental have lobbied the Trump administration to keep at least some of the IRA in place, other fossil fuel industry players are trying to convince lawmakers that the clean energy tax credits do more harm than good. More than two dozen energy executives penned a letter to House and Senate leaders last week asking for a full repeal, arguing that the subsidies encourage “less efficient production,” raise costs for consumers, and increase the national debt.
But renewable energy researchers at the Rhodium Group and Energy Innovation published modeling last week making the opposite case. Rhodium found that rollbacks of power plant and vehicle emissions rules, combined with repeal of the IRA tax credits, would increase annual household energy costs by $111 to $184 in 2030, compared to keeping the law as it is. The modelers also found that energy spending throughout the industrial sector would increase by $8 billion to $14 billion from 2030 to 2035. Energy Innovation, which also modeled repeal of key tax credits, found this would lead to higher energy bills, as well as nearly 800,000 job losses in 2030.
Some D.C. figureheads are still bullish that full repeal of the IRA is unlikely. Xan Fishman, senior managing director of the energy program at the Bipartisan Policy Center, told Heatmap he’s heard the argument that Republicans’ magic math could help the IRA, but he’s not sure there’s much there, there. “I do think that there’s strong momentum for keeping the tax credits, and honestly, I think that’s true regardless of whatever budgetary baseline they use,” he said.
Earlier this month, 21 House Republicans came out in bold, public defense of the law. This likely does not reflect the level of support latent in the party, however. Fishman said that many of the tax credits in the law historically had bipartisan support, before the Inflation Reduction Act “painted them with a partisan brush.”
“I think at the end of the day, that is actually really relevant — the fact that so many members have co-sponsored or sponsored some version of these tax credits in the past,” Fishman said.
It’s too soon to judge whether Republican support for the IRA means anything, Josh Freed, senior vice president of the climate and energy program at Third Way, told Heatmap. “IRA is uncertain until the dust settles,” he said. “It is hard to know what trade-offs are going to be asked for by the authors and by different factions within the Republican caucus until decisions on whether there needs to be pay-fors, and how much, are made.”
The timeline for when the Republican caucus will make those decisions — and set the rules of the game — is hard to predict. In that talk hosted by the American Enterprise Institute, Congressman Smith said the plan was to get the final reconciliation bill on Trump’s desk before Memorial Day.
Editor’s note: This story has been updated to correct the emissions reduction target for the clean electricity tax credit in the IRA.
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