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BATTERY STORAGE · SPTRawhills Battery Energy Storage Facility(Coalburn 2)
Rawhills Battery Energy Storage Facility(Coalburn 2) is a 500 MW battery storage project consented, connecting to the SP Transmission (south Scotland) network at Coalburn 400kV GIS Substation, with capacity due from August 2027. The connection agreement is held by Alcemi Storage Developments 6 Limited.
Project stageConsented
- Planning (completed)
- Consented (current stage)
- Construction (not yet reached)
- OperatingFrom Aug 2027 (not yet reached)
- Closed (not yet reached)
Connection details
- NESO project number
- PRO-001503
- Customer
- Alcemi Storage Developments 6 Limited
- Technology
- Energy Storage System
- Total capacity
- 500 MW
- Change in this agreement
- +500 MW
- Capacity effective from
- 31 August 2027
- Connection site
- Coalburn 400kV GIS Substation
- Transmission owner
- SP Transmission (south Scotland)
- Connection type
- Direct connection to the transmission network
- NESO project status
- Consents Approved
- 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