With a market cap of $53.1 billion, Vistra Corp. (VST) is a Fortune 500 integrated retail electricity and power generation company based in Irving, Texas, United States. It operates across the U.S. through Retail, Texas, East, West and Asset Closure segments, serving approximately 5 million residential, commercial and industrial customers. Vistra’s energy mix spans natural gas, nuclear, coal, solar and battery storage facilities, and the company is involved in both retail energy sales and wholesale electri ...