Grid infrastructure › Connection queue › Battery storage
BATTERY STORAGE · SPTHolmston Farm Battery Energy Storage System
Holmston Farm Battery Energy Storage System is a 50 MW battery storage project built and connected, connecting to the SP Transmission (south Scotland) network at Ayr 275/33kV. The connection agreement is held by Field Holmston Ltd.
Connection details
- NESO project number
- PRO-002359
- Customer
- Field Holmston Ltd
- Technology
- Energy Storage System
- Total capacity
- 50 MW
- Already connected
- 50 MW
- Connection site
- Ayr 275/33kV
- Transmission owner
- SP Transmission (south Scotland)
- Connection type
- Embedded (connects through the local distribution network)
- NESO project status
- Built
- Connections reform gate
- Gate 2
Connection site
The marker shows the connection substation, not the project itself, with the transmission network around it.
Other projects at Ayr 275/33kV
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