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

SOLAR + STORAGE Β· NGET

Mon Solar Farm

Mon Solar Farm is a 360 MW solar + storage project in planning, connecting to the National Grid (England & Wales) network at Wylfa South 400kV Substation, with capacity due from October 2037. The connection agreement is held by Lightsource Spv 204 Limited.

Project stageIn planning
  1. Planning (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingFrom Oct 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-001480-2
Customer
Lightsource Spv 204 Limited
Technology
Energy Storage System, PV Array (Photo Voltaic/solar)
Total capacity
360 MW
Change in this agreement
+120 MW
Capacity effective from
30 October 2037
Connection site
Wylfa South 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 Wylfa South Β· Grid map

Other projects at Wylfa South 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