Swansea North 400kV Substation
Swansea North 400kV Substation (NGET) has 9 projects in NESO's TEC Register of 23 Oct 2026: 2,021 MW in the queue, 698.9 MW Gate 1, and 61 MW connected. Contracted capacity, not headroom.
- Transmission owner
- NGET
- Projects
- 9
- MW in the queue
- 2,021 MW
- Gate 1 MW
- 698.9 MW
- MW connected
- 61 MW
By technology
| Technology | Projects | MW |
|---|---|---|
| Storage | 6 | 2,021 |
| Solar | 3 | 1,674 |
| Onshore wind | 2 | 1,274 |
| Demand | 1 | 1,025 |
| Reactive Compensation | 2 | 97 |
| Gas | 2 | 61 |
Projects at Swansea North 400kV Substation
| Project | Technology | MW | Gate | Status | MW effective from |
|---|---|---|---|---|---|
| Swansea North Green Energy Centre | Demand, Storage, Solar, Onshore wind | 400–1,025 | Scoping | 30 Oct 2028, 31 Oct 2033 | |
| Swansea | Storage, Solar | 400 | Gate 1 | Scoping | 31 Oct 2032 |
| Hirfynydd and Mynydd Drumaur | Storage, Solar, Onshore wind | 229.9–249 | Gate 1 | Scoping | 31 Oct 2030, 6 Dec 2036 |
| BESS Swan | Storage | 200 | Scoping | 31 Oct 2028 | |
| Swansea Greener Grid Park - Connection 1 | Storage, Reactive Compensation | 12–97 | Under Construction/Commissioning, Scoping | 31 Aug 2024, 31 Oct 2028 | |
| Swansea North | Storage | 49.9 | Gate 1 | Scoping | 31 Jul 2028 |
| Green Frog @ Alcoa | Gas | 40 | Built | ||
| Peak Gen Llandarcy | Gas | 21 | Built | ||
| Swansea Greener Grid Park - Connection 2 | Reactive Compensation | 0 | Consents Approved | 31 Jul 2025 |
Source
- NESO TEC Register, National Energy System Operator, publication of 23 Oct 2026. NESO Open Data Licence.