Nuclear capacity accounted for 4.6% of total power plant installations globally in 2022, according to GlobalData, with total recorded nuclear capacity of 394GW. This is expected to contribute 3.3% by the end of 2030 with capacity of installations aggregating up to 446GW. Of the total global nuclear capacity, 1.49% is in the UK. Listed below are the five largest active nuclear power plants by capacity in the UK, according to GlobalData’s power plants database. GlobalData uses proprietary data and analytics to provide a complete picture of the global nuclear power segment. Buy the latest nuclear power plant profiles here.

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1. Sizewell B

The Sizewell B is a 1,250MW nuclear power project located in England, the UK. Post completion of construction, the project was commissioned in 1995. The project was developed by EDF Energy Nuclear Generation Group. Electricite de France; Centrica own the project. Buy the profile here.

2. Torness 1

The 682MW Torness 1 nuclear power project is located in Scotland, the UK. EDF Energy Nuclear Generation Group has developed the project. It was commissioned in 1988. The project is owned by Electricite de France; Centrica. Buy the profile here.

3. Torness 2

The Torness 2 is a 682MW nuclear project. Electricite de France; Centrica owns the project. It was commissioned in 1989. The project was developed by EDF Energy Nuclear Generation Group. It is located in Scotland, the UK. Buy the profile here.

4. Heysham 2-1

The Heysham 2-1 nuclear project with a capacity of 680MW came online in 1989. The project was developed by EDF Energy Nuclear Generation Group. Electricite de France; Centrica have the equity stakes in the project. It is located in England, the UK. Buy the profile here.

5. Heysham 2-2

The Heysham 2-2 has been operating since 1989. The 680MW nuclear project is located in England, the UK. The project has been developed by EDF Energy Nuclear Generation Group. Electricite de France; Centrica have the equity stakes in this project. Buy the profile here.

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GlobalData, the leading provider of industry intelligence, provided the underlying research used to produce this article.  

This information is drawn from GlobalData’s Power Plants database, which provides detailed profiles of over 170,000 active, planned and under construction power plants worldwide.