infrastructure · pivotal

Sizewell C final investment decision signed

22 July 2025

Energy Secretary signed the Sizewell C final investment decision on 22 July 2025. UK government took an initial 44.9% stake; remaining equity held by EDF and others via a regulated-asset-base structure. Capacity 3.2 GW (~6 million homes); first power expected 2030s.

Affected fuels: nuclear

Countries: GB, FR

Sources

  1. www.gov.uk(accessed 2026-04-26)
  2. www.gov.uk(accessed 2026-04-26)

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