Energy companies of Spain

'Naturgy Energy Group S.A., formerly Gas Natural Fenosa''''' (), is a Spanish multinational natural gas and electrical energy utilities company, which operates primarily in Spain. The company's administrative headquarters are in Barcelona, while its legal headquarters are in Madrid.

Acciona, S.A. () is a Spanish multinational conglomerate dedicated to the development and management of infrastructure (construction, water, industrial and services) and renewable energy. The company, via subsidiary Acciona Energía, produces 21 terawatt-hours of renewable electricity a year.

company

Spanish company developing renewable energy projects