This bill would change the Internal Revenue Code to add many types of fusion energy components to the existing advanced manufacturing production tax credit (section 45X). For a qualifying fusion energy component, the credit amount would be equal to 25 percent of the sales price. The credit would begin to phase out for components sold after December 31, 2031 (75% of the full amount in 2032, 50% in 2033, 25% in 2034, and 0% after 2034). The bill lists many specific covered items and defines terms, including high-temperature superconducting magnets and tape, fusion chambers or plasma vacuum vessels, blanket systems, high-energy lasers, high-voltage capacitors and films, plasma compression systems, high-power switches and packaging, conductors and insulators, composite and ceramic parts, plasma formation devices, fuel processing and storage components, cooling system components, fusion targets, dielectric fluids and systems, and controls equipment. The bill also updates lists of qualifying materials (adding items such as deuterium, helium-3, tritium, boron, and certain copper-chromium-zirconium alloys) and revises some mineral purity and conversion rules. A technical cross-reference change to section 30D is included. The changes would apply to components produced and sold after December 31, 2025. The bill was introduced in the House and referred to the Committee on Ways and Means.
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