πŸ”Œ EV Partnership Switch to Octopus Energy & unlock exclusive smart EV charging rates Find out more β†’ Skip to main content

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

SOLAR + STORAGE Β· NGET

Walpole

Walpole is a 50 MW solar + storage project built and connected, connecting to the National Grid (England & Wales) network at Walpole 400kV substations. The connection agreement is held by Hollygreen Energyfarm 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-001114-1
Customer
Hollygreen Energyfarm Limited
Technology
Energy Storage System, PV Array (Photo Voltaic/solar)
Total capacity
50 MW
Already connected
50 MW
Connection site
Walpole 400kV substations
Transmission owner
National Grid (England & Wales)
Connection type
Direct connection to the transmission 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 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