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Grid infrastructure › Connection queue › Solar + storage

SOLAR + STORAGE · NGET

Braintree (Tertiary)

Braintree (Tertiary) is a 50 MW solar + storage project consented, connecting to the National Grid (England & Wales) network at Braintree 400kV Substation, with capacity due from October 2026. The connection agreement is held by Cse22 Limited.

Project stageConsented
  1. Planning (completed)
  2. Consented (current stage)
  3. Construction (not yet reached)
  4. OperatingFrom Oct 2026 (not yet reached)
  5. Closed (not yet reached)

Connection details

NESO project number
PRO-001043
Customer
Cse22 Limited
Technology
Energy Storage System, PV Array (Photo Voltaic/solar)
Total capacity
50 MW
Change in this agreement
+50 MW
Capacity effective from
30 October 2026
Connection site
Braintree 400kV Substation
Transmission owner
National Grid (England & Wales)
Connection type
Direct connection to the transmission network
NESO project status
Consents Approved

Connection site

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

Projects connecting near Braintree · Grid map

Other projects at Braintree 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