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Grid infrastructure β€Ί Connection queue β€Ί Solar + storage

SOLAR + STORAGE Β· NGET

Walpole

Walpole is a 57 MW solar + storage project in planning, connecting to the National Grid (England & Wales) network at Walpole 400kV substations, with capacity due from October 2030. The connection agreement is held by Hollygreen Energyfarm Limited.

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-001114-2
Customer
Hollygreen Energyfarm Limited
Technology
Energy Storage System, PV Array (Photo Voltaic/solar)
Total capacity
57 MW
Change in this agreement
+7.1 MW
Capacity effective from
30 October 2030
Connection site
Walpole 400kV substations
Transmission owner
National Grid (England & Wales)
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 Walpole Β· Grid map

Other projects at Walpole 400kV substations

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