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DTE Energy (formerly Detroit Edison until 1996) is an American diversified energy company involved in the development and management of energy-related businesses and services in t…
FirstEnergy Corp. is an American electric utility headquartered in Akron, Ohio. It was established when Ohio Edison merged with Centerior Energy in 1997. Its subsidiaries and affi…
NextEra Energy, Inc. is an American energy company that is the world's largest electric utility holding company by market capitalization, with a valuation of over $187 billion as …
NRG Energy, Inc. is an American energy company, headquartered in Houston, Texas. It was formerly the wholesale arm of Northern States Power Company (NSP), which became Xcel Energy…
Energy Saving Trust is a British organization devoted to promoting energy efficiency, energy conservation, and the sustainable use of energy, thereby reducing carbon dioxide emiss…
Terna Energy (Greek: ΤΕΡΝΑ Ενεργειακή) is a Greek renewable energy company that is listed on the Athens Exchange. Until 2024, it was a subsidiary of Greek conglomerate GEK Terna,…