Grid infrastructure βΊ Connection queue βΊ Solar + storage
SOLAR + STORAGE Β· SPTSt Marys Isle Solar Farm
St Marys Isle Solar Farm is a 36 MW solar + storage project consented, connecting to the SP Transmission (south Scotland) network at Tongland 132/11kV, with capacity due from June 2030. The connection agreement is held by Grupotec Solar UK 5 Limited.
Project stageConsented
- Planning (completed)
- Consented (current stage)
- Construction (not yet reached)
- OperatingFrom Jun 2030 (not yet reached)
- Closed (not yet reached)
Connection details
- NESO project number
- PRO-002789
- Customer
- Grupotec Solar UK 5 Limited
- Technology
- Energy Storage System, PV Array (Photo Voltaic/solar)
- Total capacity
- 36 MW
- Change in this agreement
- +36 MW
- Capacity effective from
- 14 June 2030
- Connection site
- Tongland 132/11kV
- Transmission owner
- SP Transmission (south Scotland)
- Connection type
- Embedded (connects through the local distribution 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