5 Biggest Nuclear Energy and Reactor Companies in the World

3. Dominion Energy, Inc. (NYSE:D)

Market Cap as of January 01, 2022: $51.1 billion

Headquartered in Richmond, Virginia, Dominion Energy, Inc. (NYSE:D) is an energy company with a production capacity of over 30 GW of electricity and an electric transmission distribution network of over 90,000 miles. The company’s nuclear facilities include Millstone Power Station, North Anna Power Station, Surry Power Station, and VC Summer Power Station. In 2021, these facilities produced over 52,700,000 MWh of electricity, which avoided 40.5 million tons of carbon dioxide emissions.