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Grid infrastructure › Connection queue › Battery storage

BATTERY STORAGE · SPT

AGS Inverclyde BESS

AGS Inverclyde BESS is a 99 MW battery storage project in planning, connecting to the SP Transmission (south Scotland) network at Braeside IDNO 132/33kV substation, with capacity due from October 2031. The connection agreement is held by Slate Island Developments Limited.

Project stageIn planning
  1. Planning (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingFrom Oct 2031 (not yet reached)
  5. 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-003840
Customer
Slate Island Developments Limited
Technology
Energy Storage System
Total capacity
99 MW
Change in this agreement
+99 MW
Capacity effective from
31 October 2031
Connection site
Braeside IDNO 132/33kV substation
Transmission owner
SP Transmission (south Scotland)
Connection type
Embedded (connects through the local distribution network)
NESO project status
Scoping
Connections reform gate
Gate 1

Connection site

The connection site could not be placed on the map.

Projects connecting near Braeside IDNO · Grid map

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