Cowley Energy Storage
Cowley Energy Storage is a storage project of 200–300 MW in NESO's TEC Register of 23 Oct 2026, connecting at Cowley 400kV Substation (NGET). Status: Scoping.
- Customer
- BW ESS DEVELOPMENT UK LIMITED
- Connection site
- Cowley 400kV Substation
- Transmission owner
- NGET
- Technology
- Storage
- Capacity (TEC)
- 200–300 MW
- Agreement
- Direct Connection
- Status
- Scoping
- MW effective from
- 31 Oct 2029, 6 Dec 2036
- NESO project number
- PRO-002066-1, PRO-002066-2
Also at Cowley 400kV Substation
| Project | Technology | MW |
|---|---|---|
| Cowley | Storage | 49.9 |
| Cowley (Tertiary) | Storage, Solar | 57 |
| Cowley Farm | Storage, Solar | 200 |
| Cowley Farm 2 | Storage, Solar | 700 |
| Green Frog at Lester Way | Gas | 12 |
| Witney BESS | Storage | 150 |
Source
- NESO TEC Register, National Energy System Operator, publication of 23 Oct 2026. NESO Open Data Licence.