The U.S. Department of Energy has set a goal of adding 5 gigawatts of nuclear capacity through uprates and restarts of existing plants, a strategy that draws new power from the current fleet rather than waiting on new construction. The push reflects mounting pressure to expand reliable generation quickly.

Uprates form the largest piece of the near-term pipeline. About 30 planned uprates are identified through 2030, with three applications expected in 2026, 16 in 2027, and eight in 2028. Together they could add roughly 2.5 gigawatts of capacity, the equivalent of a large new plant assembled from incremental gains across many reactors.

Restarts add recovered capacity that had been written off. The Nuclear Regulatory Commission approved the restart of Holtec's Palisades plant in Michigan, the first such approval in the country, with the unit set to return later this year. Constellation's Crane Clean Energy Center in Pennsylvania follows in 2027, bringing back generation once slated for retirement.

License extensions preserve the base. Duke Energy's Robinson plant received approval to operate through 2050, keeping a 54-year-old reactor on the grid for an additional 20 years. Similar renewals across the fleet protect existing capacity that would otherwise face closure.

The combined approach, uprates plus restarts plus extensions, lets the sector grow output faster than new reactors allow. With electricity demand rising from data centers and electrification, federal and utility planners are mining the existing fleet for every available megawatt.

Source: Nuclear Energy Institute - https://www.nei.org/news/state-of-the-nuclear-industry-2026