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UK Signs Off £38 Billion Final Investment Decision for Sizewell C

A regulated-asset-base funding model spreads construction risk across public and private investors under a deal that caps household levies at roughly £1 per month.

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The planned Sizewell C nuclear power plant.
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Overview

  • The funding consortium comprises the UK government with a 44.9% stake, La Caisse with 20%, Centrica with 15%, Amber Infrastructure with 7.6% and EDF with 12.5%.
  • Sizewell C’s £38 billion construction is expected to generate enough power for six million homes when the twin-reactor plant comes online in the mid-2030s.
  • The project will support around 10,000 jobs and create 1,500 apprenticeships across the Suffolk region.
  • Consumer bills will include an estimated £1 monthly levy throughout the construction phase to secure cheaper financing under the regulated-asset-base model.
  • Energy Secretary Ed Miliband said the approved deal underpins the government’s net-zero roadmap and strengthens the UK’s long-term energy security.