Grid infrastructure › Connection queue › Battery storage
BATTERY STORAGE · SPTCoylton 275kV Greener Grid Park
Coylton 275kV Greener Grid Park is a 150 MW battery storage project in planning, connecting to the SP Transmission (south Scotland) network at Coylton 275kV substation, with capacity due from April 2026. The connection agreement is held by Coylton Energy Limited.
- Planning (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingFrom Apr 2026 (not yet reached)
- Closed (not yet reached)
Scoping and awaiting consents are both shown as planning. A connection agreement does not mean the project will be built: many queue projects never reach construction.
Connection details
- NESO project number
- PRO-001551-2
- Customer
- Coylton Energy Limited
- Technology
- Energy Storage System
- Total capacity
- 150 MW
- Change in this agreement
- +100 MW
- Capacity effective from
- 30 April 2026
- Connection site
- Coylton 275kV substation
- Transmission owner
- SP Transmission (south Scotland)
- Connection type
- Direct connection to the transmission network
- NESO project status
- Scoping
Connection site
The marker shows the connection substation, not the project itself, with the transmission network around it.
Other projects at Coylton 275kV substation
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