Sizewell C
Clean. British. Nuclear.
Powering our future 

  • 60+
    Years of clean, reliable power
  • 70,000
    UK jobs supported
  • 6million
    Homes powered
  • 9million
    Tonnes of CO2 avoided every year of operation
  • £4b
    Invested in the East of England
Our project

Clean electricity made in Britain

Sizewell C will provide decades of clean, reliable electricity for around 6 million homes. Together with wind and solar, it will help to build a greener energy system and protect households from high gas prices.

With the UK Government as the biggest shareholder, Sizewell C is a British nuclear project which will strengthen our energy security while providing thousands of great jobs across the country.

Watch our story
Important temperature check

Our new Sustainability Report

Read our newly published Sustainability Report to see the progress we’ve made over the past year and how we’re creating lasting benefits for communities, the environment, jobs, skills and economic growth.

Explore the report
Final Investment Decision

Funding Secured for Sizewell C

On 22 July 2025, the government confirmed private investment in Sizewell C from EDF, Centrica, La Caisse, and Amber Infrastructure Limited – unlocking the biggest clean energy investment in a generation.

Read our press release Read Government's press release
New Oxford Economics Report

Positive Economic Impact of Sizewell C

A new report, released in December 2025 by