Tensions are rising in the U.S. nation’s capital after Senate Budget Committee Chairman Lindsey Graham (R-SC) released updated legislative text for the Senate’s budget reconciliation package—dubbed the “One Big Beautiful Bill”—late Saturday, June 28. The sweeping proposal, which includes significant tax changes, has drawn sharp criticism from clean energy advocates, who warn that the bill threatens to derail America’s transition to a low-cost, renewable-powered future.

The revised text, which includes updates to the tax subtitle from the Senate Finance Committee, proposes several controversial changes: temporarily raising the SALT cap to $40,000, accelerating the phase-out of certain clean energy tax credits, and removing a proposed retaliatory tax on foreign corporations. While the bill also makes adjustments to international tax provisions, it is the energy-related measures that have triggered a fierce response from the renewables industry.

Senator Graham defended the proposal as a cornerstone of the GOP's economic agenda:

“If you like higher taxes, open borders, a weak military and unchecked government spending, this bill is your nightmare,” said Graham in a statement. “By making the Trump tax cuts permanent, this legislation protects working families from a $4 trillion tax hike, fully secures the border, and injects $150 billion into our military. It’s also the largest reduction in government spending in recent memory.”

Industry sounds the alarm

Clean energy leaders, however, are ringing the alarm bells. The American Clean Power Association (ACP) issued a scathing response over the weekend, criticizing the last-minute tax hikes.

“In what can only be described as ‘midnight dumping,’ the Senate has proposed a punitive tax hike targeting the fastest-growing sectors of our energy industry,” said ACP CEO Jason Grumet. “These new taxes will freeze energy investments, reduce domestic energy production, and drive up household energy bills.”

Grumet added that the changes could strand hundreds of billions in current clean energy projects, particularly affecting rural communities that have stood to benefit most from the recent boom in renewables. He called on Senate leadership to strike the last-minute provisions and allow time for proper impact assessment.

In a similarly forceful statement, Solar Energy Industries Association (SEIA) President and CEO Abigail Ross Hopper condemned the bill as a direct threat to American jobs and energy security:

“This reconciliation bill proposal isn’t just misguided — it’s a direct attack on American energy, American workers, and American consumers,” Hopper said. “If this bill passes, Americans will pay the price — literally. Power bills will rise. Factory jobs will vanish. Families will be forced to spend more just to keep the lights on.”

“Any Senator who votes for this bill is voting for higher energy prices, a weaker economy, and a less secure America,” she added.

Legislative path remains unclear

Senate Majority Leader John Thune (R-SD) has suggested the Senate could begin considering the bill as early as Saturday, but the schedule remains fluid. Lawmakers are aiming to pass the bill before leaving for the July 4th recess, though extensive debate and amendments—a process known as “vote-a-rama”—could delay final action.

Even if passed in the Senate, the legislation must still be reconciled with the House’s version. With slim margins in both chambers, any major disagreements could prolong negotiations or force further revisions.

For now, renewable energy leaders warn that the bill, as written, would not just slow progress—it could reverse it entirely.