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

SOLAR + STORAGE Β· NGET

Caegarw Farm

Caegarw Farm is a 350 MW solar + storage project in planning, connecting to the National Grid (England & Wales) network at Margam B 400kV Substation, with capacity due from May 2037. The connection agreement is held by Downing Renewable Developments LLP.

Project stageIn planning
  1. Planning (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingFrom May 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-002605
Customer
Downing Renewable Developments LLP
Technology
Energy Storage System, PV Array (Photo Voltaic/solar)
Total capacity
350 MW
Change in this agreement
+350 MW
Capacity effective from
10 May 2037
Connection site
Margam B 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 Margam B Β· 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