Sizewell B
Sizewell B is a nuclear project of 1,230 MW in NESO's TEC Register of 23 Oct 2026, connecting at Sizewell 400kV Substation (NGET). Status: Built.
- Customer
- EDF Energy Nuclear Generation Limited
- Connection site
- Sizewell 400kV Substation
- Transmission owner
- NGET
- Technology
- Nuclear
- Capacity (TEC)
- 1,230 MW
- Agreement
- Direct Connection
- Status
- Built
- NESO project number
- PRO-000144
Also at Sizewell 400kV Substation
| Project | Technology | MW |
|---|---|---|
| Sizewell C | Nuclear | 1,670–3,340 |
Source
- NESO TEC Register, National Energy System Operator, publication of 23 Oct 2026. NESO Open Data Licence.