ENGIE SA engages in the power, natural gas, and energy services businesses. It operates through Renewables, Networks, Energy Solutions, FlexGen, Retail, Nuclear, and Others segments. The Renewables segment comprises renewable energy generation activities, including financing, construction, operation, and maintenance of renewable energy facilities using various energy sources, such as hydroelectric, onshore wind, photovoltaic solar, offshore wind, and geothermal. The Networks segment comprises the electricity and gas infrastructure activities and projects, including the management and development of gas and electricity transportation networks and natural gas distribution networks in and outside of Europe, natural gas underground storage in Europe, and regasification infrastructure in France and Chile. The Energy Solutions encompasses the construction and management of decentralized energy networks to produce energy and related services. The FlexGen segment operates flexible thermal generation and electricity, pumping, and battery storage facilities; solutions for decarbonizing industry with low-carbon hydrogen; and financing, construction, and operation of desalination plants. The Retail segment engages in the sale of gas and electricity to professional, individual, and residential clients. The Nuclear segment engages in the nuclear power generation activities. The others segment sells energy to companies and offers energy management services and solutions. The company was formerly known as GDF SUEZ S.A. and changed its name to ENGIE SA in April 2015. The company was founded in 1880 and is headquartered in Courbevoie, France.