NRC issues first U.S. construction permit for a BWRX-300 small modular reactor

The U.S. Nuclear Regulatory Commission has issued the first construction permit for a BWRX-300 small modular reactor to the Tennessee Valley Authority at its Clinch River site in Tennessee, marking a significant milestone for advanced nuclear deployment in the United States. This decision follows extensive regulatory review and reflects growing momentum for the BWRX-300 design across North America, with similar projects advancing in Canada and Texas. The permit demonstrates how mature reactor designs and early regulatory engagement can create more efficient pathways for deploying next-generation nuclear projects.