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BATTERY STORAGE · SPTCoylton 275kV Greener Grid Park
Coylton 275kV Greener Grid Park is a 50 MW battery storage project consented, connecting to the SP Transmission (south Scotland) network at Coylton 275kV substation, with capacity due from May 2026. The connection agreement is held by Coylton Energy Limited.
Project stageConsented
- Planning (completed)
- Consented (current stage)
- Construction (not yet reached)
- OperatingFrom May 2026 (not yet reached)
- Closed (not yet reached)
Connection details
- NESO project number
- PRO-001551-1
- Customer
- Coylton Energy Limited
- Technology
- Energy Storage System
- Total capacity
- 50 MW
- Change in this agreement
- +50 MW
- Capacity effective from
- 18 May 2026
- Connection site
- Coylton 275kV substation
- 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.
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