Grid infrastructure βΊ Connection queue βΊ Battery storage
BATTERY STORAGE Β· SPTWesterton Lane BESS
Westerton Lane BESS is a 150 MW battery storage project in planning, connecting to the SP Transmission (south Scotland) network at Busby 275kV, with capacity due from September 2029. The connection agreement is held by Apatura Project 22 Ltd.
Project stageIn planning
- Planning (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingFrom Sep 2029 (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-003267
- Customer
- Apatura Project 22 Ltd
- Technology
- Energy Storage System
- Total capacity
- 150 MW
- Change in this agreement
- +150 MW
- Capacity effective from
- 17 September 2029
- Connection site
- Busby 275kV
- 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