Title 26 › Subtitle Subtitle A— - Income Taxes › Chapter CHAPTER 1— - NORMAL TAXES AND SURTAXES › Subchapter Subchapter A— - Determination of Tax Liability › Part PART IV— - CREDITS AGAINST TAX › Subpart Subpart D— - Business Related Credits › § 45X
Gives a tax credit to manufacturers who make and sell certain clean-energy parts in the United States or its possessions. A company gets the credit only for parts it produced and sold in its business to someone who is not related (or that are sold to a related party but the maker elects to treat that sale as to an unrelated buyer and provides any required info). The credit covers solar parts, wind parts, inverters, qualifying battery parts, and certain refined critical minerals. The credit amounts are mostly set per part: 4 cents per direct-current watt for PV cells; $12 per square meter for photovoltaic wafers; $3 per kilogram for solar-grade polysilicon; $0.40 per square meter for polymeric backsheets; 7 cents per DC watt for solar modules; torque tubes 87 cents/kg; structural fasteners $2.28/kg; electrode active materials 10% of production costs; battery cells $35 per kilowatt-hour; battery modules $10 per kilowatt-hour (or $45 if the module has no cells); many critical minerals 10% of production costs (2.5% for metallurgical coal); and wind parts either 10% of the sales price for related offshore wind vessels or a small cents-per-watt amount based on the component (blade 2¢, nacelle 5¢, tower 3¢, offshore foundation 2¢ fixed/4¢ floating). Inverters get a credit per alternating-current watt based on type (central 0.25¢, utility 1.5¢, commercial 2¢, residential 6.5¢, micro/distributed 11¢). Battery capacity used to calculate credits cannot exceed a capacity-to-power ratio of 100:1. The credit phases down over time. For parts sold after December 31, 2029 the credit is reduced to 75% in 2030, 50% in 2031, 25% in 2032, and 0% after 2032. For most critical minerals (not metallurgical coal) the phaseout starts after December 31, 2030 and runs 75% in 2031, 50% in 2032, 25% in 2033, and 0% after 2033. Wind components are not eligible if made and sold after December 31, 2027; metallurgical coal is not eligible after December 31, 2029. Parts produced at facilities already claiming certain other federal credits or that include material assistance from prohibited foreign entities are excluded. Certain foreign-controlled or foreign-influenced taxpayers cannot claim the credit.
Full Legal Text
Internal Revenue Code — Source: USLM XML via OLRC
Legislative History
Reference
Citation
26 U.S.C. § 45X
Title 26 — Internal Revenue Code
Last Updated
Apr 6, 2026
Release point: 119-73