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BATTERY STORAGE · SPTCoalburn Battery Energy Storage Facility
Coalburn Battery Energy Storage Facility is a 500 MW battery storage project built and connected, connecting to the SP Transmission (south Scotland) network at Coalburn 400kV Substation. The connection agreement is held by Alcemi Storage Developments 4 Limited.
Connection details
- NESO project number
- PRO-001459
- Customer
- Alcemi Storage Developments 4 Limited
- Technology
- Energy Storage System
- Total capacity
- 500 MW
- Already connected
- 500 MW
- Connection site
- Coalburn 400kV Substation
- Transmission owner
- SP Transmission (south Scotland)
- Connection type
- Direct connection to the transmission network
- NESO project status
- Built
- Connections reform gate
- Gate 2
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