Unión Fenosa

---

title: "Unión Fenosa" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["public-utilities-of-spain", "defunct-electric-power-companies-of-spain", "defunct-energy-companies-of-spain", "companies-based-in-the-community-of-madrid", "energy-companies-established-in-1982", "non-renewable-resource-companies-established-in-1982", "non-renewable-resource-companies-disestablished-in-2009", "spanish-companies-established-in-1982", "spanish-companies-disestablished-in-2009", "companies-formerly-listed-on-the-madrid-stock-exchange"] topic_path: "geography/spain" source: "https://en.wikipedia.org/wiki/Unión_Fenosa" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::data[format=table title="Infobox company"]

Field	Value
name	Unión Fenosa, S.A.
logo	Ufenosalogo.png
trading_name
native_name
native_name_lang
traded_as
industry	Energy
genre
predecessor	Unión Eléctrica
successor	Gas Natural Fenosa, now Naturgy
foundation	Madrid, Spain ()
defunct
locations
key_people
revenue	€ 7,189 million (2008)
operating_income	€ 1,675 million (2008)
net_income	€1,194 million (2008)
aum
num_employees	12,780 (2008)
homepage
::

| name = Unión Fenosa, S.A. | logo = Ufenosalogo.png | caption = | trading_name = | native_name = | native_name_lang = | romanized = | former type = | type = | traded_as = | industry = Energy | genre = | fate = | predecessor = Unión Eléctrica | successor = Gas Natural Fenosa, now Naturgy | foundation = Madrid, Spain () | founder = | defunct = | location_city = | location_country = | locations = | area_served = | key_people = | products = | production = | services = | revenue = € 7,189 million (2008) | operating_income = € 1,675 million (2008) | net_income = €1,194 million (2008) | aum = | assets = | equity = | owner = | num_employees = 12,780 (2008) | parent = | divisions = | subsid = | homepage = | footnotes = | intl = | bodystyle =

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. Formerly a constituent of the IBEX 35 index, the company is a part of the Naturgy Energy Group.

History

::figure[src="https://upload.wikimedia.org/wikipedia/commons/e/ed/Aerogenerador_Unión_Fenosa.jpg" caption="Unión Fenosa´s [[aerogenerator"] ::

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.

Carbon intensity

::data[format=table]

Year	Production (TWh)	Emission (Gt CO2)	kg CO2/MWh
2002	24	16.38	683
2003	26	15.1	584
2004	27	16.54	612
2005	29	16.49	572
2006	31	15.82	514
2007	34	18.2	535
2008	18	7.26	398
2009	29	9.48	330
::

Structure

The company had the following businesses:

• Domestic generation and marketing
• Domestic distribution
• Gas
• International electrical business
• Other interests
  • Indra (11%)

Shareholders

Prior to 2008 around 45% of the shares were owned by Grupo ACS. In July 2008, Gas Natural agreed to buy Grupo ACS's stake worth €7.6 billion. | url = http://uk.reuters.com/article/innovationNews/idUKL018303020080730 | archive-url = https://archive.today/20130201205708/http://uk.reuters.com/article/innovationNews/idUKL018303020080730 | url-status = dead | archive-date = February 1, 2013 | title = Gas Natural to buy ACS's 45 percent Fenosa stake | author = Carlos Ruano | publisher = Reuters | date = 2008-07-30 | access-date = 2008-08-03}} | url = http://pepei.pennnet.com/Articles/Article_Display.cfm?Section=ARTCL&SubSection=Display&PUBLICATION_ID=6&ARTICLE_ID=335944 | title = Gas Natural to take over Union Fenosa | publisher = Power Engineering | date = 2008-08-01 | access-date = 2008-08-03 | archive-date = 2008-10-04 | archive-url = https://web.archive.org/web/20081004082746/http://pepei.pennnet.com/Articles/Article_Display.cfm?Section=ARTCL&SubSection=Display&PUBLICATION_ID=6&ARTICLE_ID=335944 | url-status = dead

References

References

1. "Annual Results 2008". Unión Fenosa.
2. link. (2007-07-03)
3. [http://spanishbusinessnews89.blogspot.co.uk/2008/11/gas-natural-buys-on-stock-market.html Gas Natural buys on the stock market another 3% of Fenosa]

::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::