U.S. solar stocks slid in premarket trading on Tuesday after a Senate panel proposed phasing out solar and wind tax credits by 2028, part of changes to President Donald Trump's sweeping tax-and-spending bill.

Solar stocks slid after Senate Republicans detailed revisions to the House's tax-and-spending bill that included fully phasing out wind- and solar-tax credits. The Senate's plan would see credits phased out from 2026,

While the Senate proposal would eventually remove credits provided by the Biden administration’s Inflation Reduction Act, analysts at J.P. Morgan and Mizuho said the Senate version is better for shares of solar and other renewables companies than the version passed by the House of Representatives in late May.