Enel S.p.A. is an Italian multinational manufacturer and distributor of electricity and gas. Enel, which originally stood for Ente nazionale per l’energia elettrica (National Electricity Board), was first established as a public body at the end of 1962, and then transformed into a limited company in 1992.[6] In 1999, following the liberalisation of the electricity market in Italy, Enel was privatised.[7] The Italian state, through the Ministry of Economy and Finance, is the main shareholder, with 23.6% of the share capital as of 1 April 2016.[8]

Enel is the 73rd largest company in the world by revenue, with €88 billion in 2021.[1][9] As of 2018, Enel is also the second largest power company in the world by revenue after the State Grid Corporation of China.[10] The company is quoted on the FTSE MIB index on the Milan Stock Exchange.[8]