The conservative House Freedom Caucus said Friday it would “not accept” changes that “water down” its cuts to green energy tax credits as the Senate weighs whether to alter parts of the One Big Beautiful Bill Act.

The House version of the “big, beautiful bill” would make drastic changes to tax cuts for low-carbon energy sources passed in the Democrats’ 2022 Inflation Reduction Act (IRA).

Climate-friendly energy projects, including wind and solar, would only be able to qualify for the credits under the House bill if they begin construction within 60 days of the bill’s enactment.

This brief window would likely make many projects ineligible for the credits, and it is expected to significantly........

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