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

BATTERY STORAGE Β· NGET

Clayhill Farm

Clayhill Farm is a 40 MW battery storage project built and connected, connecting to the National Grid (England & Wales) network at Sundon GSP. The connection agreement is held by Arl O09 Limited.

Project stageOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. Operating (current stage)
  5. Closed (not yet reached)

Connection details

NESO project number
PRO-001270
Customer
Arl O09 Limited
Technology
Energy Storage System
Total capacity
40 MW
Already connected
40 MW
Connection site
Sundon GSP
Transmission owner
National Grid (England & Wales)
Connection type
Embedded (connects through the local distribution network)
NESO project status
Built

Connection site

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

Projects connecting near Sundon GSP Β· Grid map

Other projects at Sundon GSP

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