Grid infrastructure βΊ Connection queue βΊ Solar + storage
SOLAR + STORAGE Β· NGETWest Haddon
West Haddon is a 600 MW solar + storage project in planning, connecting to the National Grid (England & Wales) network at West Haddon 400kV Substation, with capacity due from October 2039. The connection agreement is held by Sse De Solar Holdco Limited.
- Planning (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingFrom Oct 2039 (not yet reached)
- 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-003820
- Customer
- Sse De Solar Holdco Limited
- Technology
- Energy Storage System, PV Array (Photo Voltaic/solar)
- Total capacity
- 600 MW
- Change in this agreement
- +600 MW
- Capacity effective from
- 1 October 2039
- Connection site
- West Haddon 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 place the connection site is named after, not the project itself, with the transmission network around it.
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