Endesa SA engages in the generation, distribution, and sale of electricity. It is also involved in the natural gas sector and provides other energy-related services. It operates through the following segments: Generation & Supply, Distribution, and Structure. The Generation & Supply segment refers to the production of electricity from energy sources such as hydroelectric, nuclear, thermal, wind, and solar. The Distribution segment consists of distribution of electricity to consumption points. The Structure segment includes the balances and transactions of holding and financing companies. The company was founded on November 18, 1944 and is headquartered in Madrid, Spain.