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November 11, 2021

Sizewell C-2, UK

By Carmen

Sizewell C-2 is a 1,670MW nuclear reactor planned in England, the UK. The nuclear reactor is currently in permitting stage. Post completion of the construction, the reactor is likely to enter into commercial operation in 2031.

PID Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Main Contractor
1009 Nuclear 1,670 1,670 Permitting England, the UK


Sizewell C-2 is a Generation III+ nuclear reactor.

The 1,670MW reactor will be operated by NNB Generation. EDF Energy Holdings and General Nuclear International are currently owning the project having ownership stake of 80% and 20% respectively.

Sizewell C-2 is a type of PWR reactor. It will feature 241 fuel assemblies in the core of reactor, the place where fission occurs and energy is released.

The material used for the construction of the vessel will be 16MNDS.

Development Status

Post completion of construction, the reactor is planned to get commission in 2031.

Contractors Involved

YRM is expected to be the architect engineer for the reactor.


All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.

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