Grid infrastructure βΊ Connection queue βΊ Battery storage
BATTERY STORAGE Β· SPTDevonside BESS
Devonside BESS is a 50 MW battery storage project in planning, connecting to the SP Transmission (south Scotland) network at Devonside 132/33kV, with capacity due from August 2028. The connection agreement is held by Carlton Power Limited.
Project stageIn planning
- Planning (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingFrom Aug 2028 (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-002015
- Customer
- Carlton Power Limited
- Technology
- Energy Storage System
- Total capacity
- 50 MW
- Change in this agreement
- +50 MW
- Capacity effective from
- 18 August 2028
- Connection site
- Devonside 132/33kV
- 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.
Other projects at Devonside 132/33kV
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