Shares of solar-power companies were tumbling Tuesday after the U.S. Senate’s proposed a plan to phase out solar tax credits by 2028 as part of President Donald Trump’s so-called big, beautiful budget bill.

(Reuters) -U.S. solar stocks dropped in premarket trading on Tuesday after a Senate panel proposed a full phase-out of solar and wind energy tax credits by 2028, as part of changes suggested to President Donald Trump's sweeping tax-cut 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,