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BATTERY STORAGE · SPTHunterston Battery Storage Facility
Hunterston Battery Storage Facility is a 200 MW battery storage project consented, connecting to the SP Transmission (south Scotland) network at Hunterston East 400kV substation, with capacity due from March 2028. The connection agreement is held by Hunterston Grid 1 Ltd.
Project stageConsented
- Planning (completed)
- Consented (current stage)
- Construction (not yet reached)
- OperatingFrom Mar 2028 (not yet reached)
- Closed (not yet reached)
Connection details
- NESO project number
- PRO-001155
- Customer
- Hunterston Grid 1 Ltd
- Technology
- Energy Storage System, Reactive Compensation
- Total capacity
- 200 MW
- Change in this agreement
- +200 MW
- Capacity effective from
- 10 March 2028
- Connection site
- Hunterston East 400kV substation
- Transmission owner
- SP Transmission (south Scotland)
- Connection type
- Direct connection to the transmission network
- NESO project status
- Consents Approved
- Connections reform gate
- Gate 2
Connection site
The marker shows the connection substation, not the project itself, with the transmission network around it.
Source: NESO Transmission Entry Capacity (TEC) register, downloaded 8 November 2026. Contains data from NESO, licensed under the NESO Open Data Licence. Report a problem