The bill, which passed the US House on May 22 on a 215-214 vote, would have a huge impact on renewable projects across the country, rolling back most of the tax credits provided through the Inflation Reduction Act (IRA), which significantly boosted renewable energy development.

Republican Senator Joni Ernst has introduced an amendment to the U.S. Senate's tax and spending megabill that would change two of the most contentious parts of that bill and could give a small boost to wind and solar projects that had been targeted in the draft being debated on the Senate floor.