Grid infrastructure βΊ Connection queue βΊ Battery storage
BATTERY STORAGE Β· NGETBraybrooke
Braybrooke is a 600 MW battery storage project in planning, connecting to the National Grid (England & Wales) network at Market Harborough 400kV Substation, with capacity due from July 2032. The connection agreement is held by Sse De Solar Holdco Limited.
- Planning (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingFrom Jul 2032 (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-003429
- Customer
- Sse De Solar Holdco Limited
- Technology
- Energy Storage System
- Total capacity
- 600 MW
- Change in this agreement
- +600 MW
- Capacity effective from
- 31 July 2032
- Connection site
- Market Harborough 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 place the connection site is named after, not the project itself, with the transmission network around it.
Other projects at Market Harborough 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