Solar Parts Maker Suggests Tightened Clean Energy Credit Rules

July 29, 2025, 5:17 PM UTC

A US solar panel manufacturer recommended specific restrictions that Treasury Department and IRS could implement to tighten the rules around how solar and wind projects can qualify for the clean electricity production and investment credits.

The First Solar sent a letter to Treasury in response to President Donald Trump’s July 7 executive order requiring the department to enforce the new GOP tax law’s wind-down of and restrictions on those tax credits, also referred to by section codes 45Y and 48E. Trump asked Treasury to create new and revised guidance related to the beginning of construction rules and the prohibited foreign ...

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