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Grid infrastructure › Connection queue › Solar + storage

SOLAR + STORAGE · NGET

Thornton PV & BESS Sub

Thornton PV & BESS Sub is a 250 MW solar + storage project in planning, connecting to the National Grid (England & Wales) network at Thornton B 400kV Substation, with capacity due from October 2035. The connection agreement is held by O&G Solar (SPV 57) Limited.

Project stageIn planning
  1. Planning (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingFrom Oct 2035 (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-004141
Customer
O&G Solar (SPV 57) Limited
Technology
Energy Storage System, PV Array (Photo Voltaic/solar)
Total capacity
250 MW
Change in this agreement
+250 MW
Capacity effective from
26 October 2035
Connection site
Thornton B 400kV Substation
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 Thornton B · 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