What Happened?
Ever wondered who helps foot the bill for the wind turbines and solar panels popping up near you, and whether that help is about to change? A federal tax credit that pays U.S. factories to make solar panels, wind turbines, batteries, and key minerals was reshaped this year, and wind energy manufacturers now face a firm cutoff date. The Congressional Research Service (CRS), Congress's nonpartisan research arm, published a new report examining the credit and the changes made to it.
The One Big Beautiful Bill Act, enacted July 4, 2025, made six changes to the Section 45X Advanced Manufacturing Production Credit, which subsidizes domestic production of solar, wind, battery, and inverter components and critical minerals. One of six changes the 2025 law made to the credit ends eligibility for wind energy components after Dec. 31, 2027.
The law also scheduled critical-mineral credits to phase out between 2031 and 2034, added metallurgical coal as a qualifying mineral, imposed four restrictions targeting supply-chain ties to China, Russia, Iran and North Korea, added a 65 percent domestic-material-cost requirement for certain secondary components, and required battery modules to include all equipment needed to function.
Why Does it Matter to Me?
The credit costs the federal government a projected $20.1 billion between fiscal years 2025 and 2029, according to the Joint Committee on Taxation (JCT), making it the fifth-highest five-year cost among the 53 energy and natural resources tax expenditures the JCT examined.
The credit was created by the Inflation Reduction Act of 2022 and went untouched for three years before this year's changes. Investment in U.S. manufacturing facilities for batteries, solar, wind and critical minerals rose from $1.9 billion to $6.2 billion in constant 2024 dollars between the second quarter of 2022 and the second quarter of this year, a $4.3 billion increase.
The CRS report notes it is unclear how much of that investment growth is due to the credit itself versus other policy changes or broader market forces.
Both Sides, Now
The credit subsidizes domestic production of solar, wind, battery and inverter components and critical minerals. The 2025 law also imposed foreign-entity restrictions tied to supply-chain links with China, Russia, Iran and North Korea.
Opponents point to a gap in the evidence, and a nonpartisan CRS report found no after-the-fact analyses establishing the credit's broad economic or environmental effects. The report also notes that if manufacturers would have made these products anyway, the credit may deliver windfall payments rather than expand actual output.
The One Big Beautiful Bill Act was enacted July 4, 2025, and it ended eligibility for wind energy components after Dec. 31, 2027. Congress can amend or repeal the credit through new legislation.
What Happens Next?
Several bills pending in the House Ways and Means Committee would amend the credit further, including proposals to restore wind-component eligibility past 2027 or repeal the credit entirely.
Wind-component manufacturers face the nearest deadline, with their eligibility ending Dec. 31, 2027. The House Ways and Means Committee holds the power to advance any changes; any bill would still need to pass both chambers and be signed by the president before that date arrives. Will Congress act in time to change the rules before wind manufacturers lose their credit?
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