Endesa. 

Endesa, S.A. primarily conducts its business in Spain and Portugal, focusing on the production, distribution, and retail sale of electricity. The company generates its power from a diverse range of energy sources, including hydroelectric, nuclear, thermal, wind, and solar. As of December 31, 2021, Endesa's operations encompassed an expansive area of approximately 195,794 square kilometers, providing electricity to roughly 21 million customers. This extensive reach is supported by a comprehensive distribution and transmission network spanning 316,506 kilometers. Beyond its core activities, Endesa also markets energy and offers various commercial services related to energy consumption. Its service portfolio extends to domestic installations, maintenance, and repair work for electrical systems, heating, and air conditioning. The company is also involved in energy trading and holds investment interests. Furthermore, Endesa supplies electricity and natural gas to other European markets, such as Germany, France, and the Netherlands. The company actively explores and invests in future-oriented areas like electric mobility, demand management, and energy storage. Its operations also encompass the exploitation of primary energy resources, the provision of industrial services (covering telecommunications, water, and gas sectors), and the management of electricity transmission infrastructure. Additionally, Endesa handles the management and operation of nuclear power facilities, issues debt instruments, and provides expert consultancy and civil engineering services. Established in 1944, the company was initially known as Empresa Nacional de Electricidad, S.A., before officially changing its name to Endesa, S.A. in June 1997. Headquartered in Madrid, Spain, Endesa, S.A. functions as a subsidiary of ENEL Iberia, S.L.U.