![M. Garside](https://cdn.statcdn.com/static/../CMS/contactperson/ERI913_1591697935.png)
Largest nuclear power plant operating utilities in the U.S. 2023
As of July 2023, Maryland-based Constellation Energy operated nuclear power plants with a total capacity of about 26.3 gigawatts, making it the leading operator of nuclear power plants in the United States. Duke Energy ranked second, with a nuclear capacity of 10.2 gigawatts