Vistra is an integrated retail electricity and power generation company serving approximately 5 million residential, commercial, and industrial customers with electricity and natural gas across 18 states and the District of Columbia. The company operates through five segments — Retail, Texas, East, West, and Asset Closure — with a generation fleet totaling approximately 44,000 MW fueled by natural gas (62%), coal (20%), nuclear (15%), and solar and battery storage (3%). Retail brands include TXU Energy, Ambit Energy, Dynegy Energy Services, Homefield Energy, Energy Harbor, and U.S. Gas & Electric.
Vistra's largest retail market is Texas, where it serves approximately 2.6 million customers under the TXU Energy brand. The integrated model allows the company to source electricity for retail customers from its own generation fleet, structuring products and contracts with cost advantages relative to stand-alone retail providers. The generation fleet includes 28 CCGT facilities totaling 22,167 MW and 12 peaking facilities totaling 4,822 MW, and the Asset Closure segment manages decommissioning of retired facilities.
Retail Energy Charge In ERCOT 50% · Retail Energy Charge In Northeast Midwest 22% · Wholesale Generation Revenue From ERCOT 18% · Revenue From Other Wholesale Contracts 6% · …
product & service · FY2025 (ended Dec 2025) · share of tagged segment revenue (10-K XBRL, as filed)
