Grid infrastructure › Connection queue › Battery storage
BATTERY STORAGE · NGETThorpe Marsh Energy Park
Thorpe Marsh Energy Park is a 1.4 GW battery storage project under construction or commissioning, connecting to the National Grid (England & Wales) network at Thorpe Marsh 400kV Substation, with capacity due from January 2027. The connection agreement is held by Thorpe Marsh Green Energy Hub Limited.
Project stageUnder construction
- Planning (completed)
- Consented (completed)
- Construction (current stage)
- OperatingFrom Jan 2027 (not yet reached)
- Closed (not yet reached)
Connection details
- NESO project number
- PRO-001620
- Customer
- Thorpe Marsh Green Energy Hub Limited
- Technology
- Energy Storage System
- Total capacity
- 1.4 GW
- Change in this agreement
- +1.4 GW
- Capacity effective from
- 30 January 2027
- Connection site
- Thorpe Marsh 400kV Substation
- Transmission owner
- National Grid (England & Wales)
- Connection type
- Direct connection to the transmission network
- NESO project status
- Under Construction/Commissioning
- Connections reform gate
- Gate 2
Connection site
The marker shows the connection substation, not the project itself, with the transmission network around it.
Other projects at Thorpe Marsh 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