Enel Enel is the largest electricity company in Italy. The Enel Green Power department have particular expertise in solar, geo-thermal and hydro-electic power generation. As well as smart network management.
Endesa - electric utility company based in Madrid. Subsidiary of the Italian utility company Enel (see above).
Ibderola - one of the leading private electric utility companies worldwide and the largest renewable energy operator in the world. Based in Bilbao. Renewable operations are managed by Iberdrola Renovables which is headquartered in Valencia.