St. Marys Lane - Upminster BESS
St. Marys Lane - Upminster BESS is a storage project of 240 MW in NESO's TEC Register of 23 Oct 2026, connecting at Warley 132kV Substation (NGET). Status: Scoping. Gate 1.
- Customer
- Bluestone Energy Ltd
- Connection site
- Warley 132kV Substation
- Transmission owner
- NGET
- Technology
- Storage
- Capacity (TEC)
- 240 MW
- Agreement
- Embedded
- Gate
- Gate 1
- Status
- Scoping
- MW effective from
- 31 Oct 2036
- NESO project number
- PRO-003947
Also at Warley 132kV Substation
| Project | Technology | MW |
|---|---|---|
| Blanket’s Farm | Storage | 200 |
| Care Brentwood BEGA | Storage | 49.9 |
| Clay Tye Farm Phase 1 | Storage | 49.5 |
| Clay Tye Farm Phase 2 | Storage | 49.5 |
| Codham Hall BESS | Storage | 249 |
| Lebanon Farm 2 BESS | Storage | 275 |
| Upminster Warley 3 | Storage | 240 |
| Warley | Storage | 57 |
| Warley (tertiary) | Storage, Solar | 57 |
| Warley Battery Energy Storage | Storage | 200 |
| Warley PV & BESS | Storage | 249.9 |
Source
- NESO TEC Register, National Energy System Operator, publication of 23 Oct 2026. NESO Open Data Licence.