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Grid infrastructure › Connection queue › Solar + storage

SOLAR + STORAGE · NGET

Ardleigh Solar & BESS

Ardleigh Solar & BESS is a 600 MW solar + storage project in planning, connecting to the National Grid (England & Wales) network at Hadleigh 400kV Substation, with capacity due from October 2032. The connection agreement is held by Nembus BESS Limited.

Project stageIn planning
  1. Planning (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingFrom Oct 2032 (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-002644
Customer
Nembus BESS Limited
Technology
Energy Storage System, PV Array (Photo Voltaic/solar)
Total capacity
600 MW
Change in this agreement
+600 MW
Capacity effective from
31 October 2032
Connection site
Hadleigh 400kV Substation
Transmission owner
National Grid (England & Wales)
Connection type
Direct connection to the transmission network
NESO project status
Scoping

Connection site

The connection site could not be placed on the map.

Projects connecting near Hadleigh · Grid map

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