Grid connection · England, United Kingdom
Sizewell B grid connection
Sizewell B grid connection is a grid connection in England, United Kingdom, with 1,230 MW of capacity, held by EDF Energy Nuclear Generation Limited.
Facts
Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Location | England (connects at Sizewell 400kV Substation) | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Status | Operating (built) | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Holder | EDF Energy Nuclear Generation Limited | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Attached to | Sizewell B | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Capacity | 1,230 MW | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Technology | Nuclear | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
| Grid operator | National Grid Electricity Transmission plc | NESO TEC Register · NESO Open Data Licence v1.0 · checked 24 Oct 2026 |
Research on this grid connection and its holder.Who holds it up to the parent company, the project behind it and its connection date, and an introduction to the holder.
Request researchHow it compares
Sizewell B grid connection is the 55th-largest of 2,533 grid connections in England and the 83rd-largest of 3,903 in the United Kingdom by capacity; its 1,230 MW is 0.28% of the 446,745 MW we hold for the United Kingdom. Ranks and totals cover the grid connections in our data that report their capacity, not every one in existence.
| Within | Rank | Total | Share |
|---|---|---|---|
| England | 55th of 2,533 | 319,370 MW | 0.39% |
| United Kingdom | 83rd of 3,903 | 446,745 MW | 0.28% |
| All grid connections in our data | 154th of 7,928 | 1,372,494 MW | <0.1% |
Holder, grid operator and place
More from EDF Energy Nuclear Generation Limited
- Heysham Power Station grid connection2,363 MW
- Torness grid connection1,250 MW
- Hartlepool grid connection1,197 MW
Other grid connections in England
- Bute Hydrogen Project 1 grid connection4,800 MW
- Drax BECCS grid connection3,906 MW
- Drax Power Station grid connection3,906 MW
- Bute Hydrogen Project 2 grid connection3,600 MW
- Bute Hydrogen Project 3 grid connection3,600 MW
- Bute Hydrogen Project 5 grid connection3,600 MW
- Bute Hydrogen Project 6 grid connection3,600 MW
- Hinkley Point C grid connection3,340 MW
Data on this page
- California ISO. CAISO queue report, CAISO Privacy and Terms of Use.
- SP Electricity North West, via Northern Powergrid Open Data. SP Electricity North West open data portal, CC BY 4.0.
- ERCOT GIS report. ERCOT GIS report, ERCOT Terms of Use.
- Supported by National Energy SO Open Data. NESO TEC Register, NESO Open Data Licence v1.0.
- Supported by Northern Powergrid Open Data. Northern Powergrid open data portal, Northern Powergrid Open Data Licence v1.0.
- NYISO interconnection queue. NYISO interconnection queue, Free reuse.
- PJM New Services Queue. PJM New Services Queue, Free reuse.
- SP Energy Networks, via Northern Powergrid Open Data. SP Energy Networks open data portal, CC BY 4.0.
- SSEN Distribution. SSEN Distribution data portal, CC BY 4.0.