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BATTERY STORAGE · SPTMossmorran Storage BESS
Mossmorran Storage BESS is a 100 MW battery storage project in planning, connecting to the SP Transmission (south Scotland) network at Mossmorran Storage BESS 132KV Substation, with capacity due from October 2031. The connection agreement is held by Rufusia Ltd.
- 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-003738
- Customer
- Rufusia Ltd
- Technology
- Energy Storage System
- Total capacity
- 100 MW
- Change in this agreement
- +100 MW
- Capacity effective from
- 31 October 2031
- Connection site
- Mossmorran Storage BESS 132KV 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.
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