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BATTERY STORAGE · SHETBlackhillock Battery
Blackhillock Battery is a 349 MW battery storage project consented, connecting to the SSEN Transmission (north Scotland) network at Blackhillock 400kV Substation, with capacity due from October 2028. The connection agreement is held by Blackhillock Flexpower Ltd.
Project stageConsented
- Planning (completed)
- Consented (current stage)
- Construction (not yet reached)
- OperatingFrom Oct 2028 (not yet reached)
- Closed (not yet reached)
Connection details
- NESO project number
- PRO-001970
- Customer
- Blackhillock Flexpower Ltd
- Technology
- Energy Storage System
- Total capacity
- 349 MW
- Change in this agreement
- +349 MW
- Capacity effective from
- 31 October 2028
- Connection site
- Blackhillock 400kV Substation
- Transmission owner
- SSEN Transmission (north 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