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Grid infrastructure › Connection queue › Solar + storage

SOLAR + STORAGE · NGET

Cornwall Energy Park

Cornwall Energy Park is a 500 MW solar + storage project in planning, connecting to the National Grid (England & Wales) network at Tideford 400kV Substation, with capacity due from December 2036. The connection agreement is held by Green Energy Mab Ltd.

Project stageIn planning
  1. Planning (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingFrom Dec 2036 (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-002379
Customer
Green Energy Mab Ltd
Technology
Energy Storage System, PV Array (Photo Voltaic/solar)
Total capacity
500 MW
Change in this agreement
+500 MW
Capacity effective from
6 December 2036
Connection site
Tideford 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 place the connection site is named after, not the project itself, with the transmission network around it.

Projects connecting near Tideford · 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