Type
Nuclear project owner and harbour authority operator
Nuclear project owner and harbour authority operator
Sizewell C Limited
Sizewell C Limited, Main Construction Area photographed 10 June 2026
Sizewell C Limited is the developer, construction client and future owner-operator of the 3.2 GW Sizewell C station.
Active regions
Europe, United Kingdom, Suffolk coast
Marine works roles
Nuclear project developer and construction owner, Temporary desalination and construction-water client, Marine intake, outfall and shore-crossing procuring entity, Statutory harbour authority legal operator, Civil Works Alliance client participant, Owner testing, environmental compliance and handover counterparty
Role in marine infrastructure
Sizewell C Limited is the developer, construction client and future owner-operator of the 3.2 GW Sizewell C station. During construction it is also the client for temporary water supply, including the desalination plant, seawater intake and return line, and the treated-wastewater combined drainage outfall. The project company established the statutory harbour authority required by the development consent order; the Harbour Master separately controls navigation safety and marine-work permissions.
Sources used 7
- Sizewell C Limited company and owner role Sizewell C Limited, Current company notice reviewed 20 July 2026
- Sizewell C final investment decision and shareholder structure UK Department for Energy Security and Net Zero, 22 July 2025
- Sizewell C construction water plan Sizewell C Limited, Current page reviewed 20 July 2026
- Sizewell C Harbour Authority responsibilities Sizewell C Harbour Authority, Current official site reviewed 20 July 2026
- Active and inactive Notices to Mariners Sizewell C Harbour Authority, Current register reviewed 20 July 2026
- Sizewell C forms Civil Works Alliance Sizewell C Limited, 30 June 2025
- Main Construction Area geotechnical alliance update Sizewell C Limited, 17 July 2026
Source collections