Grid infrastructure βΊ Connection queue βΊ Gas
GAS Β· NGETWilton CCGT Project 1
Wilton CCGT Project 1 is a 850 MW gas project consented, connecting to the National Grid (England & Wales) network at Greystones B 275kV Substation, with capacity due from October 2035. The connection agreement is held by Sembcorp Utilities (UK) Limited.
Project stageConsented
- Planning (completed)
- Consented (current stage)
- Construction (not yet reached)
- OperatingFrom Oct 2035 (not yet reached)
- Closed (not yet reached)
Connection details
- NESO project number
- PRO-006733
- Customer
- Sembcorp Utilities (UK) Limited
- Technology
- CCGT (Combined Cycle Gas Turbine)
- Total capacity
- 850 MW
- Change in this agreement
- +850 MW
- Capacity effective from
- 30 October 2035
- Connection site
- Greystones B 275kV 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.
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