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BATTERY STORAGE · SPTWindyHill Energy Storage Facility
WindyHill Energy Storage Facility is a 200 MW battery storage project consented, connecting to the SP Transmission (south Scotland) network at Windyhill 132kV, with capacity due from December 2027. The connection agreement is held by Windyhill Grid 1 LTD.
Project stageConsented
- Planning (completed)
- Consented (current stage)
- Construction (not yet reached)
- OperatingFrom Dec 2027 (not yet reached)
- Closed (not yet reached)
Connection details
- NESO project number
- PRO-001696
- Customer
- Windyhill Grid 1 LTD
- Technology
- Energy Storage System
- Total capacity
- 200 MW
- Change in this agreement
- +200 MW
- Capacity effective from
- 31 December 2027
- Connection site
- Windyhill 132kV
- 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