Exelon Generation Company, Entergy Nuclear, Tennessee Valley Authority, Dominion Resources, Duke Energy Corporation and NextEra Energy are Leading Players in the US Nuclear Power Industry:

Exelon Generation Company, Entergy Nuclear, Tennessee Valley Authority, Dominion Resources, Duke Energy Corporation and NextEra Energy are Leading Players in the US Nuclear Power Industry: companiesandmarkets.com

The US has a total installed capacity of 1,142,788 MW with nuclear capacity of 100,380 MW as of 2010