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Letter to Ed Miliband 16 July 2025

16 July 2025
Rt Hon Ed Miliband MP
Secretary of State, Department for Energy Security and Net Zero

Dear Secretary of State,

We are writing to express concern that the government may reduce its stake in Sizewell C to just under 50%. This possibility is reported by The Financial Times, [1] which speculates that HMG’s stake could be reduced to 47.5% if Brookfield takes a 25% share of Sizewell C, Centrica takes 15% and EDF 12.5%.

As you will no doubt appreciate, Stop Sizewell C remains resolutely opposed to Sizewell C. However, if the project goes ahead, we strongly feel there will be more public accountability if the government retains a majority share during construction. Given the likelihood of delays and overspends, the huge amount of taxpayers’ money already spent and the fact that households will pay out during construction, the prospect that private investors – who we understand are being offered very generous terms – could outvote the government is deeply concerning.

We remain of the view that Sizewell C will be an expensive waste of money and that no taxpayers’ money had been spent on it, but given where we are, and for the sake of just over a 2.5% share of the project, we would prefer HMG to retain a majority share during construction, and urge you not to allow this to drop below 50%.
I look forward to your reply.
Yours sincerely,
Alison Downes
Executive Director, Stop Sizewell C and Nuclear NGO Forum Co Chair
07711 843884