Grid infrastructure › Connection queue › Battery storage
BATTERY STORAGE · SPTAGS Calderside Battery Energy Storage System
AGS Calderside Battery Energy Storage System is a 500 MW battery storage project in planning, connecting to the SP Transmission (south Scotland) network at Ags Calderside 275Kv Substation, with capacity due from October 2033. The connection agreement is held by Advance Grid Solutions Limited.
Project stageIn planning
- Planning (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingFrom Oct 2033 (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-002752-2
- Customer
- Advance Grid Solutions Limited
- Technology
- Energy Storage System
- Total capacity
- 500 MW
- Change in this agreement
- +200 MW
- Capacity effective from
- 31 October 2033
- Connection site
- Ags Calderside 275Kv Substation
- Transmission owner
- SP Transmission (south Scotland)
- Connection type
- Direct connection to the transmission network
- NESO project status
- Scoping
- Connections reform gate
- Gate 1
Connection site
The connection site could not be placed on the map.
Other projects at Ags Calderside 275Kv 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