Grid infrastructure βΊ Connection queue βΊ Solar + storage
SOLAR + STORAGE Β· NGETCowley (Tertiary)
Cowley (Tertiary) is a 57 MW solar + storage project in planning, connecting to the National Grid (England & Wales) network at Cowley 400kV Substation, with capacity due from November 2025. The connection agreement is held by Cowley Baldon Green Limited.
- Planning (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingFrom Nov 2025 (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-000407
- Customer
- Cowley Baldon Green Limited
- Technology
- Energy Storage System, PV Array (Photo Voltaic/solar)
- Total capacity
- 57 MW
- Change in this agreement
- +57 MW
- Capacity effective from
- 14 November 2025
- Connection site
- Cowley 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.
Other projects at Cowley 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