Grid infrastructure › Connection queue › Battery storage
BATTERY STORAGE · NGETEast Claydon Storage
East Claydon Storage is a 500 MW battery storage project in planning, connecting to the National Grid (England & Wales) network at East Claydon 400kV Substation, with capacity due from October 2026. The connection agreement is held by East Claydon Storage Limited.
- Planning (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingFrom Oct 2026 (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-001573
- Customer
- East Claydon Storage Limited
- Technology
- Energy Storage System
- Total capacity
- 500 MW
- Change in this agreement
- +500 MW
- Capacity effective from
- 1 October 2026
- Connection site
- East Claydon 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 connection substation, not the project itself, with the transmission network around it.
Other projects at East Claydon 400kV Substation
- East Claydon Green Energy CentreSolar + storage · 1.0 GW · Awaiting Consents
- East Claydon High Impact Green Energy Hub (HIGEH) 1Solar + storage · 1.0 GW · Scoping
- East Claydon Greener Grid ParkBattery storage · 650 MW · Scoping
- RosefieldSolar + storage · 500 MW · Awaiting Consents
- Alderton PV & BESS StationSolar + storage · 450 MW · Scoping
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