Talen Energy Corporation operates as a power generation and infrastructure company in North America. The company, through its subsidiary, Talen Energy Supply, LLC, owns and/or controls approximately 12,400 megawatts of generating capacity in the wholesale United States power markets, principally in the Mid-Atlantic, Texas, and Montana. The company, through its Cumulus subsidiaries, is also developing a large-scale portfolio of renewable energy, battery storage, and digital infrastructure assets. Talen Energy Corporation was incorporated in 2014 and is headquartered in The Woodlands, Texas.