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Which energy suppliers are British?

Wondering which suppliers are "British-made"? In this Energy Q&A session, we answer a query about which energy companies are homegrown

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It might surprise you to learn which of the big six suppliers are owned and operated by foreign companies. Here’s a breakdown of where each big six company’s ownership lies.

British Gas

As its name suggests, British Gas is indeed British-owned. Centrica, British Gas’ parent company, is a multinational utility company based in Windsor, Berkshire.

EDF Energy

EDF Energy was formed after French energy company Electricite de France purchased London Energy. Therefore, EDF Energy is French-state-owned.


SSE was formed after a merger of Scottish Hydro Electric and Southern Electric, and its headquarters are in Perth, Scotland. Includes sub-brands SSE Atlantic, SSE Southern Electric, SSE SWALEC and SSE Scottish Hyrdo.


This big six supplier is owned by Germany’s RWE Group, an incorporation of Germany’s leading energy companies.


ScottishPower was formed after the state-owned Scottish electricity industry became privatised. Its headquarters may be located in Glasgow, but since 2006 the supplier has been a subsidiary of Spanish utility company Iberdrola.


Formerly Powergen, this supplier was purchased by German energy company E.ON in 2002. Its headquarters are located in Dusseldorf.

Thirsty for more energy knowledge? Find out more about all suppliers, including pricing history, independent customer reviews and more for the big six and independent energy providers in our guides section.

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