Longhaven Energy Storage Centre
Longhaven Energy Storage Centre is a storage, pumped storage, thermal project of 500 MW in NESO's TEC Register of 23 Oct 2026, connecting at New North East Substation 400kV Substation (SHET). Status: Scoping. Gate 1.
- Customer
- Hydrostor UK Ltd
- Connection site
- New North East Substation 400kV Substation
- Transmission owner
- SHET
- Technology
- Storage, Pumped storage, Thermal
- Capacity (TEC)
- 500 MW
- Agreement
- Direct Connection
- Gate
- Gate 1
- Status
- Scoping
- MW effective from
- 31 Oct 2037
- NESO project number
- PRO-006133
Also at New North East Substation 400kV Substation
| Project | Technology | MW |
|---|---|---|
| Ardonald Wind Farm | Storage, Solar, Onshore wind | 200 |
| Glenfiddich West | Demand, Storage, Onshore wind | 600 |
| Rattray BESS and Solar Plant | Storage, Solar | 300 |
Source
- NESO TEC Register, National Energy System Operator, publication of 23 Oct 2026. NESO Open Data Licence.