A revival of U.S. solar panel manufacturing that began during the first Trump administration could end with the phasing out of tax incentives for clean energy.

As Senate Republicans debate President Donald Trump’s tax and spending bill, renewable energy companies are reeling at what looks like a worst-case scenario for the industry. The latest version of the Senate bill includes a new excise tax on wind and solar projects with certain Chinese components,

The final Senate bill would still end tax credits for wind and solar energy, carving them out of the technology-neutral clean energy policies from the 2022 climate law. But wind and solar projects would still be able to get tax credits as long as they start construction by June 2026 or are placed in service by the end of 2027.