Grid infrastructure › Connection queue › Battery storage
BATTERY STORAGE · SHETContullich BESS
Contullich BESS is a 45 MW battery storage project in planning, connecting to the SSEN Transmission (north Scotland) network at Alness 2 275/33 kV GSP Substation, with capacity due from October 2030. The connection agreement is held by Contullich Energy Storage Limited.
- Planning (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingFrom Oct 2030 (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-004300
- Customer
- Contullich Energy Storage Limited
- Technology
- Energy Storage System
- Total capacity
- 45 MW
- Change in this agreement
- +45 MW
- Capacity effective from
- 31 October 2030
- Connection site
- Alness 2 275/33 kV GSP Substation
- Transmission owner
- SSEN Transmission (north Scotland)
- Connection type
- Embedded (connects through the local distribution 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 Alness 2 275/33 kV GSP 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