Vistra Corp. is an integrated retail electricity and power generation company. They serve approximately 4 million residential, commercial, and industrial retail customers with electricity and natural gas in 20 states and the District of Columbia. Vistra's generation fleet totals approximately 37,000 megawatts of capacity powered by a diverse portfolio including natural gas, nuclear, coal, solar, and battery energy storage. They are one of the largest competitive residential retail electricity providers in the U.S.