The domestic content percentages are reset by construction start date
What the document says“In the case of any qualified investment with respect to any qualified facility or energy storage technology the construction of which begins before June 16, 2025, 40 percent (or, in the case of a qualified facility which is an offshore wind facility, 20 percent).”
The section rewrites subparagraph (B) of section 48E(a)(3) of the Internal Revenue Code of 1986 so that rules similar to section 48(a)(12) apply, with the adjusted percentage set at 40 percent, or 20 percent for an offshore wind facility, where construction begins before June 16, 2025, at 45 percent where it begins on or after that date and before January 1, 2026, and at higher figures for later start dates.
What the document actually says“In the case of any qualified investment with respect to any qualified facility or energy storage technology the construction of which begins before June 16, 2025, 40 percent (or, in the case of a qualified facility which is an offshore wind facility, 20 percent).”
For work begun before June 16, 2025 the figure is 40 percent. For an offshore wind plant it is 20 percent.
The figure sets how much must be made at home. It rises for work begun later. The full table sits in the law.
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