Sizewell C, Laing O’Rourke, Balfour Beatty, and Bouygues Travaux Publics have signed an Program Alliance Agreement for the 8-year civil works project at Sizewell C
The Civil Works Alliance(CWA), who are all currently working at Hinkley Point C, will carry out the main civil works at the new Sizewell C power station in Suffolk.
Laing O’Rourke, Balfour Beatty, and Bouygues Travaux Publics will join Sizewell C in a single delivery organisation, employing between 3,000-4,000 people over the course of the project.
The CWA will deliver:
- Enabling works and earthworks
- Marine and Tunnelling Works (including 3x3km undersea tunnels)
- Main Civils Works (Nuclear Island, Conventional Island, Heat Sink and Balance of Plant)
- Ancillary Works and Permanent Roads and Networks
Preliminary works began on the Sizewell C site in January 2024 and is expected to employ 7,900 people on site during peak construction, supporting tens of thousands of further jobs in the UK supply chain.
Sizewell C has already received £14.2bn of government investment
As a near replica project, Sizewell C will gain from their vast experience and skills so that the new twin reactor plant will be built with significantly improved efficiency.
By creating a strong delivery culture which combines replication with innovation, the CWA aims to achieve a 20% increase in civils productivity compared with Hinkley Point C.
Earlier this month, the Government confirmed the project would go-ahead and announced further investment of £14.2bn over the next four years.
A Final Investment Decision which will announce the private investors helping to fund the project is expected later in the summer.
Nigel Cann, joint managing director, Sizewell C said:
“This agreement ensures that we have three companies with deep experience of building to the highest nuclear standards delivering the civils for our project.
Hinkley Point C has done the heroic work to restart our industry and is seeing big improvements between the construction of reactor Unit 1 and Unit 2.
With our CWA partners, we will continue that progress at Sizewell C so that we deliver the best value for consumers and build a project Britain can be proud of.”
The CWA is organised so that Sizewell C is fully embedded in the Alliance as ‘Client Participant’. It will operate a Target Outturn Cost (TOC) contract model to keep control of costs and to foster transparency, collaboration and efficiency.
Cathal O’Rourke, Group CEO, Laing O’Rourke:
‘The experience we have gained at Hinkley will power our delivery of Sizewell C – working with our partners to deliver a complex project securely with a laser focus on safety, quality and productivity. I’m proud that Laing O’Rourke is part of a partnership delivering cleaner and cheaper energy for Britain.’
Leo Quinn, Group chief executive, Balfour Beatty:
‘Sizewell C represents a critical investment in Britain’s energy security and net zero future. As a trusted delivery partner with a strong track record in complex nuclear infrastructure, we are proud to be bringing our expertise and our learnings from Hinkley Point C to this shovel ready project alongside our alliance partners. Signing the Programme Alliance Agreement further demonstrates the important role we continue to play in powering the UK’s transition to a low-carbon economy.’
Jean-Philippe Trin, deputy chief executive officer, Bouygues Construction:
‘Sizewell C illustrates Bouygues Construction’s commitment to supporting the development of low-carbon energy solutions, building on the extensive experience the company has gained through its involvement in major nuclear projects.’
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