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BATTERY STORAGE · SPTGresham House Mossmoran BESS
Gresham House Mossmoran BESS is a 200 MW battery storage project in planning, connecting to the SP Transmission (south Scotland) network at Loch Gelly Collector 132Kv Substation, with capacity due from October 2031. The connection agreement is held by Mossmorran Energy Storage Limited.
Project stageIn planning
- Planning (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingFrom Oct 2031 (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-002395
- Customer
- Mossmorran Energy Storage Limited
- Technology
- Energy Storage System
- Total capacity
- 200 MW
- Change in this agreement
- +200 MW
- Capacity effective from
- 31 October 2031
- Connection site
- Loch Gelly Collector 132Kv Substation
- Transmission owner
- SP Transmission (south Scotland)
- Connection type
- Direct connection to the transmission network
- NESO project status
- Scoping
Connection site
The connection site could not be placed on the map.
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