Grid infrastructure › Connection queue › Battery storage
BATTERY STORAGE · NGETDollymans Storage
Dollymans Storage is a 100 MW battery storage project in planning, connecting to the National Grid (England & Wales) network at Rayleigh Main 132kV Substation, with capacity due from January 2023. The connection agreement is held by Dollymans Storage Limited.
- Planning (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingFrom Jan 2023 (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-002261
- Customer
- Dollymans Storage Limited
- Technology
- Energy Storage System
- Total capacity
- 100 MW
- Change in this agreement
- +100 MW
- Capacity effective from
- 12 January 2023
- Connection site
- Rayleigh Main 132kV Substation
- Transmission owner
- National Grid (England & Wales)
- Connection type
- Embedded (connects through the local distribution 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 Rayleigh Main 132kV 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