Endesa, S.A. engages in the generation, distribution, and sale of electricity primarily in Spain and Portugal. The company generates electricity from various energy sources, such as hydroelectric, nuclear, thermal, wind, and solar. As of December 31, 2019, it distributed electricity to approximately 21 million populations covering a total area of approximately 195,500 square kilometers. The company also sells energy, as well as provides energy related commercial services. In addition, it is also involved in the supply of electricity and gas to other European markets, including Germany, France, Belgium, France, and the Netherlands. Its distribution and transmission networks comprise 316,320 kilometers. Further, the company is involved in the electric mobility, demand management, distributed generation, energy storage; exploitation of primary energy resources; provision of energy related industrial services; electricity transmission business; management, operation, and administration of nuclear plants; issuance of debt instruments; consultancy and civil engineering services; and management real estate properties. The company was formerly known as Empresa Nacional de Electricidad, S.A. and changed its name to Endesa, S.A. in June 1997. Endesa, S.A. was founded in 1944 and is based in Madrid, Spain. Endesa, S.A. is a subsidiary of ENEL Iberia, S.L.U.