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

SOLAR + STORAGE Β· NGET

St Asaph SSE

St Asaph SSE is a 600 MW solar + storage project in planning, connecting to the National Grid (England & Wales) network at Bodelwyddan 400kV Substation, with capacity due from November 2037. The connection agreement is held by Sse De Solar Holdco Limited.

Project stageIn planning
  1. Planning (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingFrom Nov 2037 (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-003816
Customer
Sse De Solar Holdco Limited
Technology
Energy Storage System, PV Array (Photo Voltaic/solar)
Total capacity
600 MW
Change in this agreement
+600 MW
Capacity effective from
1 November 2037
Connection site
Bodelwyddan 400kV Substation
Transmission owner
National Grid (England & Wales)
Connection type
Direct connection to the transmission network
NESO project status
Scoping
Connections reform gate
Gate 1

Connection site

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

Projects connecting near Bodelwyddan Β· Grid map

Other projects at Bodelwyddan 400kV Substation

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