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France's EDF in talks to buy So Energy to expand British customer base - Finance news and analysis from Global Banking & Finance Review
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France's EDF in talks to buy So Energy to expand British customer base

Published by Global Banking & Finance Review

Posted on September 7, 2026

2 min read

· Last updated: September 7, 2026

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EDF Negotiates So Energy Buyout to Grow British Electricity Customer Base

EDF's Strategic Expansion in the UK Energy Market

Acquisition Talks Between EDF and So Energy

PARIS, Sept 7 (Reuters) - French state-owned electric utility EDF is in talks to acquire electricity supplier So Energy, which is majority owned by Irish company ESB, a source with knowledge of the matter told Reuters on Monday, confirming a media report from Sunday.

Potential Impact on EDF's Customer Base

The acquisition of the retail electricity supplier and solar panel installer would expand EDF's already large footprint in Britain, where it supplies around 5 million customers with electricity.

Additional Customers from So Energy

The purchase would add around another 300,000 customers for EDF, the Sky News report said.

Market Competition and Industry Context

So Energy's Position and Response

A spokesman for So Energy said the company is considering a range of options but cannot comment further on them as the matter is commercially sensitive.

EDF's Competitive Landscape

EDF is trying to keep up with competitors Octopus Energy, British Gas and E.ON in a competitive British market.

Rival Moves in the UK Energy Sector

German utility E.ON is also seeking to increase its presence there and in May announced plans to buy rival Ovo Energy for an undisclosed sum. 

Deal Valuation and Confidentiality

The source, who declined to be named because they were not authorised to speak publicly, did not provide a valuation for So Energy.

(Reporting by Forrest Crellin;Editing by Alison Williams and Barbara Lewis)

Key Takeaways

  • EDF aims to bolster its UK retail base by acquiring So Energy, potentially adding ~300,000 customers to its ~5 million-strong portfolio (esb.ie)
  • So Energy, majority‑owned by ESB since 2021 and supplying ~300,000–500,000 accounts, recently reached operating profitability for the first time in 2024 (esb.ie)
  • The move comes as EDF seeks to keep pace with competitors like Octopus Energy, British Gas, E.ON and Ovo in Britain’s consolidated and highly competitive energy retail market (energy-review.co.uk)

References

Frequently Asked Questions

Who is EDF in talks to acquire?
EDF is in talks to acquire So Energy, a British electricity supplier majority owned by Irish company ESB.
How many customers could EDF gain from acquiring So Energy?
EDF could add around 300,000 customers to its British business by acquiring So Energy.
Why is EDF seeking to expand its customer base in Britain?
EDF aims to keep up with competitors like Octopus Energy, British Gas, and E.ON in the competitive British energy market.
Is there any official comment from So Energy regarding the acquisition?
A spokesman for So Energy said the company is considering a range of options but cannot comment further as the matter is commercially sensitive.
Did the report provide a valuation for So Energy?
The source did not provide a valuation for So Energy.

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