🔌 EV Partnership Switch to Octopus Energy & unlock exclusive smart EV charging rates Find out more → Skip to main content

Grid infrastructure › Connection queue › Solar + storage

SOLAR + STORAGE · NGET

Rayleigh 2 Tertiary

Rayleigh 2 Tertiary is a 57 MW solar + storage project in planning, connecting to the National Grid (England & Wales) network at Rayleigh Main 400kV Substation, with capacity due from October 2028. The connection agreement is held by Enso Green Holdings J Limited.

Project stageIn planning
  1. Planning (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingFrom Oct 2028 (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-000466
Customer
Enso Green Holdings J Limited
Technology
Energy Storage System, PV Array (Photo Voltaic/solar)
Total capacity
57 MW
Change in this agreement
+57 MW
Capacity effective from
31 October 2028
Connection site
Rayleigh Main 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 Rayleigh Main · Grid map

Other projects at Rayleigh Main 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