Constellation Energy Corporation is an American energy company headquartered in Baltimore, Maryland. It produces and sells electricity, natural gas, and other energy-related products and services across the United States, serving distribution utilities, municipalities, cooperatives, and customers in the commercial, industrial, public sector, and residential markets. Constellation Energy Corporation operates through regional segments including the Mid-Atlantic, Midwest, New York, ERCOT, and Other Power Regions. Its generation portfolio includes nuclear, wind, solar, natural gas, and hydroelectric assets, supporting a broad mix of power supply and sustainable energy offerings. The company plays a central role in the U.S. utility sector by providing large-scale energy generation, retail supply, and energy management solutions to a wide range of end users.