Cowley 400kV Substation
Cowley 400kV Substation (NGET) has 7 projects in NESO's TEC Register of 23 Oct 2026: 1,407 MW in the queue, 900 MW Gate 1, and 61.9 MW connected. Contracted capacity, not headroom.
- Transmission owner
- NGET
- Projects
- 7
- MW in the queue
- 1,407 MW
- Gate 1 MW
- 900 MW
- MW connected
- 61.9 MW
By technology
| Technology | Projects | MW |
|---|---|---|
| Storage | 6 | 1,457 |
| Solar | 3 | 957 |
| Gas | 1 | 12 |
Projects at Cowley 400kV Substation
| Project | Technology | MW | Gate | Status | MW effective from |
|---|---|---|---|---|---|
| Cowley Farm 2 | Storage, Solar | 700 | Gate 1 | Scoping | 1 Oct 2038 |
| Cowley Energy Storage | Storage | 200–300 | Scoping | 31 Oct 2029, 6 Dec 2036 | |
| Cowley Farm | Storage, Solar | 200 | Gate 1 | Scoping | 1 Oct 2038 |
| Witney BESS | Storage | 150 | Scoping | 1 Nov 2038 | |
| Cowley (Tertiary) | Storage, Solar | 57 | Scoping | 14 Nov 2025 | |
| Cowley | Storage | 49.9 | Built | ||
| Green Frog at Lester Way | Gas | 12 | Built |
Source
- NESO TEC Register, National Energy System Operator, publication of 23 Oct 2026. NESO Open Data Licence.