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Grid infrastructure › Connection queue › Battery storage

BATTERY STORAGE · SPT

Arresgill Energy Storage 1

Arresgill Energy Storage 1 is a 49 MW battery storage project in planning, connecting to the SP Transmission (south Scotland) network at Arresgill 132kV Substation, with capacity due from October 2031. The connection agreement is held by Arresgill Energy Storage 1 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-003246
Customer
Arresgill Energy Storage 1 Limited
Technology
Energy Storage System
Total capacity
49 MW
Change in this agreement
+49 MW
Capacity effective from
31 October 2031
Connection site
Arresgill 132kV 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.

Projects connecting near Arresgill · Grid map

Other projects at Arresgill 132kV 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