Grid infrastructure › Connection queue › Offshore wind
OFFSHORE WIND · NGETCeltic Sea Offshore Wind Farm (ESB)
Celtic Sea Offshore Wind Farm (ESB) is a 1.0 GW offshore wind project in planning, connecting to the National Grid (England & Wales) network at Celtic Sea 275/66Kv Offshore Substation, with capacity due from October 2031. The connection agreement is held by Esb Asset Development UK Limited.
Project stageIn planning
- Planning (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingFrom Oct 2031 (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-002219
- Customer
- Esb Asset Development UK Limited
- Technology
- Wind Offshore
- Total capacity
- 1.0 GW
- Change in this agreement
- +1.0 GW
- Capacity effective from
- 31 October 2031
- Connection site
- Celtic Sea 275/66Kv Offshore 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 connection site could not be placed on the map.
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