GE Vernova Hitachi Nuclear Energy’s BWRX-300 small modular reactor has completed the second step of the generic design assessment (GDA) process in the United Kingdom. In this step, the U.K. Office for Nuclear Regulation, the Environment Agency, and Natural Resources Wales did not identify “any fundamental safety, security safeguard or environmental protection shortfalls with the design of the BWRX-300.” Step 1 was completed in December 2024.

The Department of Energy has selected the Tennessee Valley Authority and Holtec Government Services to support the early deployments of light water small modular reactors in the United States. The companies will each receive as much as $400 million in federal cost-shared funding to advance their initial SMR projects in Tennessee and Michigan, respectively, including follow-on projects and associated supply chains.

Ontario Power Generation has awarded a $450 million execution contract to Candu Energy, an AtkinsRéalis company, for the first of four planned small modular reactors at the Darlington New Nuclear Project in Clarington, Ontario, Canada.

Ontario Power Generation GE Vernova Hitachi Nuclear Energy announced May 8 that Ontario authorities have approved construction plans for the first of four BWRX-300 small modular reactors at the Darlington New Nuclear Project site on Lake Ontario, less than 50 miles east of Toronto, Canada. The first new nuclear construction project in Ontario in more than three decades is also the first SMR construction project in North America.