Grid infrastructure › Connection queue › Battery storage
BATTERY STORAGE · SHETPersley Croft BESS
Persley Croft BESS is a 50 MW battery storage project under construction or commissioning, connecting to the SSEN Transmission (north Scotland) network at Persley 132/33kV GSP Substation, with capacity due from July 2026. The connection agreement is held by Persley Croft BESS Ltd.
Project stageUnder construction
- Planning (completed)
- Consented (completed)
- Construction (current stage)
- OperatingFrom Jul 2026 (not yet reached)
- Closed (not yet reached)
Connection details
- NESO project number
- PRO-002546
- Customer
- Persley Croft BESS Ltd
- Technology
- Energy Storage System
- Total capacity
- 50 MW
- Change in this agreement
- +50 MW
- Capacity effective from
- 30 July 2026
- Connection site
- Persley 132/33kV GSP Substation
- Transmission owner
- SSEN Transmission (north Scotland)
- Connection type
- Embedded (connects through the local distribution network)
- NESO project status
- Under Construction/Commissioning
- 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