Vistra Corp is an integrated retail electricity and power generation company based in Irving, Texas. It supplies electricity and natural gas to residential, commercial, and industrial customers across multiple U.S. states through its retail energy business, while also operating a large generation fleet. Its portfolio includes natural gas, nuclear, coal, solar, and battery energy storage assets, supporting both wholesale power sales and customer-focused energy services. Vistra Corp also provides commodity risk management, fuel procurement, and fuel logistics services, and it manages asset closure activities for retired facilities. The company plays a significant role in the U.S. utilities market by combining power generation with direct retail energy delivery.