Constellation SMR Development LLC is a subsidiary of Constellation Energy established to develop SMR deployment projects. The company received a $17.26 million DOE grant in May 2026 to pursue an NRC Early Site Permit for a New York location. Constellation operates the largest nuclear fleet in the United States including Nine Mile Point, Calvert Cliffs, Quad Cities, and Braidwood — giving it unmatched operational nuclear experience to draw on for SMR deployment.
Constellation Energy, US Department of Energy