Private company
Logo: The Unión Fenosa website ., Non-free logo, via Wikipedia3
Former Spanish energy company founded in 19821
Unión Fenosa, S.A. was, until its acquisition by Gas Natural in 2009, a large Spanish company dedicated to the production and distribution of gas and electricity. It installed capacity of 11,120 megawatts of power and 8.9 million customers. The headquarters were in Madrid and the chairman was Pedro López Jiménez.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
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Unión Fenosa, S.A. was, until its acquisition by Gas Natural in 2009, a large Spanish company dedicated to the production and distribution of gas and electricity.2
The company was founded in 1912 as Unión Eléctrica Madrileña and it traded under that name until 1970 when the name was changed to Unión Eléctrica. In 1982 it merged with Fuerza Eléctrica de Noroeste, S.A. (Fenosa) to form Unión Eléctrica Fenosa. In 2000 the name was shortened to Unión Fenosa. In 2008 the company was acquired by the Gas Natural group.
From Wikipedia’s article on Unión Fenosa, shared under CC BY-SA 4.0.4
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