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Grid infrastructure β€Ί Connection queue β€Ί Battery storage

BATTERY STORAGE Β· SPT

Clonmacate Farm BESS

Clonmacate Farm BESS is a 200 MW battery storage project in planning, connecting to the SP Transmission (south Scotland) network at Ayr 275/33kV, with capacity due from October 2030. The connection agreement is held by GPC Project 11 Ltd.

Project stageIn planning
  1. Planning (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingFrom Oct 2030 (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-003421
Customer
GPC Project 11 Ltd
Technology
Energy Storage System
Total capacity
200 MW
Change in this agreement
+200 MW
Capacity effective from
31 October 2030
Connection site
Ayr 275/33kV
Transmission owner
SP Transmission (south Scotland)
Connection type
Direct connection to the transmission network
NESO project status
Scoping

Connection site

The marker shows the connection substation, not the project itself, with the transmission network around it.

Projects connecting near Ayr Β· Grid map

Other projects at Ayr 275/33kV

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