Aberthaw 275kV Substation
Aberthaw 275kV Substation (NGET) has 6 projects in NESO's TEC Register of 23 Oct 2026: 1,004 MW in the queue, 755 MW Gate 1, and 20 MW connected. Contracted capacity, not headroom.
- Transmission owner
- NGET
- Projects
- 6
- MW in the queue
- 1,004 MW
- Gate 1 MW
- 755 MW
- MW connected
- 20 MW
By technology
| Technology | Projects | MW |
|---|---|---|
| Storage | 6 | 1,024 |
| Solar | 2 | 306 |
Projects at Aberthaw 275kV Substation
| Project | Technology | MW | Gate | Status | MW effective from |
|---|---|---|---|---|---|
| Aberthaw Energy | Storage | 249 | Gate 1 | Scoping | 30 Oct 2028 |
| Afon Ddaw | Storage, Solar | 249 | Scoping | 31 Oct 2029 | |
| Mwyndy Storage | Storage | 249 | Gate 1 | Scoping | 30 Oct 2037 |
| Aberthaw PV & BESS Generation | Storage | 200 | Gate 1 | Scoping | 31 Oct 2029 |
| Aberthaw (Tertiary) | Storage, Solar | 57 | Gate 1 | Scoping | 31 Oct 2029 |
| Peak Gen Barry | Storage | 20 | Built |
Source
- NESO TEC Register, National Energy System Operator, publication of 23 Oct 2026. NESO Open Data Licence.