Grid infrastructure › Connection queue › Solar + storage
SOLAR + STORAGE · NGETGrendon High Impact Green Energy Hub (HIGEH) 1
Grendon High Impact Green Energy Hub (HIGEH) 1 is a 1.0 GW solar + storage project in planning, connecting to the National Grid (England & Wales) network at Lavendon 400Kv Substation, with capacity due from October 2033. The connection agreement is held by Telis Energy UK Limited.
- Planning (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingFrom Oct 2033 (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-002651
- Customer
- Telis Energy UK Limited
- Technology
- Energy Storage System, Nuclear, PV Array (Photo Voltaic/solar), Reactive Compensation, Wind Onshore
- Total capacity
- 1.0 GW
- Change in this agreement
- +1.0 GW
- Capacity effective from
- 31 October 2033
- Connection site
- Lavendon 400Kv Substation
- Transmission owner
- National Grid (England & Wales)
- Connection type
- Direct connection to the transmission network
- NESO project status
- Awaiting Consents
- 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.
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