Motherwell 400MW BESS (Formerly Castlehill BESS)
Motherwell 400MW BESS (Formerly Castlehill BESS) is a demand, storage project of 400 MW in NESO's TEC Register of 23 Oct 2026, connecting at Newarthill 275 kV Substation (SPT). Status: Scoping.
- Customer
- SPV GPC 3 Ltd
- Connection site
- Newarthill 275 kV Substation
- Transmission owner
- SPT
- Technology
- Demand, Storage
- Capacity (TEC)
- 400 MW
- Agreement
- Direct Connection
- Status
- Scoping
- MW effective from
- 30 Apr 2035
- NESO project number
- PRO-003500
Source
- NESO TEC Register, National Energy System Operator, publication of 23 Oct 2026. NESO Open Data Licence.