Vistra Corporation is an integrated retail electricity and power generation company.The company retails electricity and natural gas to residential, commercial, and industrial customers in 20 U.S. states. It serves approximately 4.3 million customers with a generation capacity of approximately 38,700 megawatts. Vistra is also involved in electricity generation, wholesale energy purchases and sales, commodity risk management, fuel production, and fuel logistics management activities.The company was founded in 1882 and is based in Irving, TX.