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BATTERY STORAGE · NGETMannington Tertiary
Mannington Tertiary is a 48 MW battery storage project consented, connecting to the National Grid (England & Wales) network at Mannington 400kV Substation, with capacity due from October 2025. The connection agreement is held by Mannington Energy Centre Limited.
Project stageConsented
- Planning (completed)
- Consented (current stage)
- Construction (not yet reached)
- OperatingFrom Oct 2025 (not yet reached)
- Closed (not yet reached)
Connection details
- NESO project number
- PRO-000464
- Customer
- Mannington Energy Centre Limited
- Technology
- Energy Storage System
- Total capacity
- 48 MW
- Change in this agreement
- +48 MW
- Capacity effective from
- 30 October 2025
- Connection site
- Mannington 400kV Substation
- Transmission owner
- National Grid (England & Wales)
- Connection type
- Direct connection to the transmission network
- NESO project status
- Consents Approved
Connection site
The marker shows the connection substation, not the project itself, with the transmission network around it.
Other projects at Mannington 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