Endesa, S.A. engages in the generation, distribution, and sale of electricity in Spain, Portugal, France, Germany, Morocco, Italy, the United Kingdom, Switzerland, Luxembourg, the Netherlands, Singapore, and internationally. It generates electricity from various energy sources, such as hydroelectric, nuclear, thermal, wind, and solar. The company also offers advisory services and technology relating to energy efficiency, distributed generation, and energy demand management; deploys infrastructures for charging electric vehicles, vehicle-to-grid, and second-life services for batteries; develops integrated services for local administrations, such as public lighting, smart city development, energy efficiency services, and solutions for connectivity; and provides financial solutions for energy producers, as well as provides engineering and construction activities for facilities related to the electricity business. It had an installed capacity of 21,449 MW; operates 320,329 km of distribution and transmission networks; and distributes electricity to 10,217 thousands customers and gas to 1,777 thousands customers. The company was formerly known as Empresa Nacional de Electricidad, S.A. and changed its name to Endesa, S.A. in June 1997. The company was incorporated in 1944 and is headquartered in Madrid, Spain. Endesa, S.A. operates as a subsidiary of Enel Iberia Srl.