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.

10. March 2023
Environment permits granted

The Environment Agency grants permits which are required before construction can begin.

11. December 2022
Government invests nearly £700m

The Government agrees to invest in the project becoming a 50% shareholder alongside EDF.

12. July 2022
Development Consent Order approved

Approval of the DCO comes after the Planning Inspectorate says the benefits of the project “strongly outweigh the impacts”.

13. March 2022
New nuclear funding legislation passed

MPs vote overwhelmingly in favour of legislation to introduce Regulated Asset Base (RAB) funding for nuclear.

14. January 2022
Government invests £100m

The UK Government agreed a land option agreement with EDF to fund further development of the project.

15. May 2020
Application for planning permission submitted

Our application for a Development Consent Order (DCO) was more than 50,000 pages long.

16. October 2012
First of four rounds of local consultation begins

Our consultations in the region led to engagement with more than 10,000 people and organisations.

Reports

  • Annual Sustainability Report 2025/26

    Sizewell C is continuing to demonstrate how major infrastructure can deliver lasting social, economic and environmental value for the UK.

    Our second Sustainability Report is an important temperature check on our project, highlighting the progress we’ve made over the past year and our commitment to delivering infrastructure differently.

  • Annual Report & Accounts 2025/26

    Our latest Annual Report and Accounts reflects the progress we’ve made over the past year and our ambition to set a new standard for nuclear development in the UK.

  • Annual Sustainability Report 2024/25

    Sizewell C is already demonstrating how major infrastructure can deliver enduring social, economic and environmental value for the UK.

    Our first-ever Annual Sustainability Report, published in October 2025, sets out the progress we’ve made and the ambition driving the UK’s newest nuclear power station.

  • Annual Report & Accounts 2024/25

    Our Annual Report and Accounts sets out Sizewell C’s vision to lead the way on nuclear – defining what good leadership looks like for the UK’s energy future.

    Together, these foundations will help ensure Sizewell C delivers secure, affordable energy and lasting benefits for the UK economy.

Policies

  • Tax Strategy

    Our Tax Strategy outlines our commitment to responsible tax practices. It details how we align our tax obligations with business activities, ensuring transparency, compliance, and contributions to the UK economy.

  • Modern Slavery & Human Trafficking Statement 2024

    We are committed to respecting human rights and opposing all forms of modern slavery and human trafficking.

    Our 2024 statement sets out the steps we are taking to prevent and address these risks across our operations and supply chain, reinforcing our commitment to responsible and ethical business practice.

Other Documents

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Latest news

General News

Sizewell C secures planning approval for Avonmouth tunnel production facility, supporting up to 400 jobs

Pre-cast tunnel segments and heads to be transported to Suffolk by rail and sea Facility builds on the positive legacy left by Hinkley Point C Employment and Skills plan to support apprentices...

Transport

Sizewell C hits major milestone as first commercial freight train arrives on site

New Green Rail Route links construction site to upgraded Sizewell branch line Each freight train removes the equivalent of around 50 HGV journeys from local roads Rail line part of project’s commitment...

Supply Chain

Sizewell C awards G4S major facilities management contract, creating up to 400 jobs

Majority of roles will be based in the project’s host county of Suffolk G4S expands its existing role at Sizewell C, where it already delivers security and medical services Around a third...

Jobs

Around 300 attend Sizewell C careers fair in Lowestoft as jobseekers land interviews

Sizewell C and supply chain partners showcase thousands of jobs and training opportunities At least two attendees secure interviews for apprenticeships Sizewell C has pledged to deliver 500 jobs for people in...

General News

Two-year charity partnership with Sizewell C raises £88k for St Elizabeth Hospice

Suffolk hospice was first official two-year charity partner of Sizewell C Sizewell C staff organise over 30 fundraising activities for the hospice, including football matches, sponsored walks, quiz nights, and operas £88,657...

Careers, Supply Chain

Sizewell C appoints Rullion to power next generation of nuclear talent

Rullion to lead Sizewell C early careers recruitment and development Almost 90 apprentices, graduates and industrial placement students to join Sizewell C in September Sizewell C has pledged to deliver 1,500 apprenticeships...

Environment, Funding

East Suffolk Trust awards over £300,000 for local nature recovery

The newly-established East Suffolk Trust has awarded more than £300,000 to two community-led projects that will restore habitats, improve water quality, and help more people play an active role in protecting nature....