Reports & Policies

  • 2.6k
    Suffolk construction jobs
  • 70k
    UK jobs supported
  • £4b
    Into the regional economy
  • 6m
    UK homes powered
  • 9m
    Tonnes of CO2 avoided every year of operation

Sizewell C's Second Sustainability Report

Published on 6 July 2026, Sizewell C’s second Sustainability Report highlights the progress made across the project since our first report was published in October 2025.

It provides an important temperature check on the project, showcasing how we’re delivering infrastructure differently and creating lasting benefits for local communities, the environment, jobs, skills and economic growth.

Read the report to find out more.

Explore the report
Diggers on the Sizewell C site with Sizewell B in the background
Project milestones

What we’ve achieved so far

A look back at the project’s progress and important moments.

1. July 2025
Final Investment Decision

In July, the Government confirmed Sizewell C’s Final Investment Decision, securing full funding for the project.

2. June 2025
Green Light

In June, the UK Government officially gave a green light to the Sizewell C project, confirming £14.2 billion of investment as part of the government’s latest spending review.

3. October 2024
Autumn Budget

The Autumn Budget announces £2.7bn commitment to Sizewell C and says Final Investment Decision will be in the 2025 Spending Review.

4. June 2024
Commitment to Sizewell C

Labour General Election manifesto commits to Sizewell C.

5. May 2024
Regulator grants Nuclear Site Licence to Sizewell C

First nuclear site licence issued by the Office for Nuclear Regulation since Hinkley Point C’s licence in 2012.

6. January 2024
UK Government invests additional £1.3b

The funding will help Sizewell C continue to prepare for full construction.

7. January 2024
Development Consent Order triggered

Green light for formal construction to begin.

8. September 2023
Private investment process begins

The UK Government launches the formal process to raise private investment for Sizewell C.

9. August 2023
£341m government allocation for SZC

This funding allocation is to speed up preparation of site for construction, procurement of key supply chain components, and to expand the workforce.