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Amid rising power bills and surging energy demand, Republicans in Congress are set to undermine the country’s primary source of new electricity — clean energy.
The “Big Beautiful Bill” passed in May by House Republicans and now being considered by the Senate would rapidly phase out key clean-energy tax credits, casting uncertainty over more than 600 gigawatts’ worth of solar, battery, and wind projects slated to come online in 2028 or later, according to new analysis from research firm Cleanview.
To be fair, the 600-GW figure is based on what’s currently in the interconnection queue, and a good number of those projects won’t get built regardless of the fate of the tax credits. (Projects often drop out of the queue for all kinds of reasons.) But if the bill kneecaps even a fraction of what’s anticipated, it will have serious consequences for the U.S. energy system. For context, the entirety of the U.S. had a generating capacity of around 1,200 gigawatts at the end of 2023.
The current version of the legislation would rapidly phase out federal tax credits that encourage clean energy development. As it stands, developers would be eligible for the tax credit only if their projects begin construction within 60 days of the bill’s passage and if they come online before the end of 2028.
That puts the 318 GW worth of projects planned to be completed in 2029 and later at explicit risk of losing their tax-credit eligibility. It also jeopardizes 2028 projects that either can’t break ground with just two months’ notice or which might hit snags that push their completion into 2029.
That doesn’t necessarily mean those projects would be cancelled, but it would scramble their economics, which were calculated under an entirely different set of policy assumptions. It’s near certain that some would fall through. Many more would be delayed as developers hash out new financial terms — read: higher power prices that will be passed onto consumers.
A slowdown in clean energy construction is the exact opposite of what the moment demands.
These days, when a new energy project is built in the U.S., more than nine times out of 10 it is a solar, battery, or wind installation. That’s not an exaggeration. In 2024, solar, batteries, and wind made up 93% of new energy resources. The year before that, it was 94%. Meanwhile, construction of new large-scale fossil-gas power plants is constrained by turbine shortages that are unlikely to ease in the near term.
At the same time, electricity demand is surging and expected to climb even higher in coming years as the development of AI sets off a race to construct power-hungry data centers.
If congressional Republicans pass a bill that stifles solar, batteries, and wind, study after study predicts the same outcome: higher energy bills — and more planet-warming emissions.
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