Grid infrastructure › Connection queue › Offshore wind
OFFSHORE WIND · NGETMererid Offshore Wind Farm
Mererid Offshore Wind Farm is a 1.0 GW offshore wind project in planning, connecting to the National Grid (England & Wales) network at Alverdiscott 400kV Substation, with capacity due from December 2036. The connection agreement is held by South West Wind Holdco Limited.
- Planning (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingFrom Dec 2036 (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-002391
- Customer
- South West Wind Holdco Limited
- Technology
- Wind Offshore
- Total capacity
- 1.0 GW
- Change in this agreement
- +1.0 GW
- Capacity effective from
- 6 December 2036
- Connection site
- Alverdiscott 400kV Substation
- Transmission owner
- National Grid (England & Wales)
- Connection type
- Direct connection to the transmission network
- NESO project status
- Scoping
Connection site
The marker shows the connection substation, not the project itself, with the transmission network around it.
Other projects at Alverdiscott 400kV Substation
- GallosOffshore wind · 2.0 GW · Scoping
- AlverdiscottInterconnector · 1.8 GW · Scoping
- Alverdiscott 2Interconnector · 1.8 GW · Scoping
- Merlin 2 Offshore WindfarmOffshore wind · 1.5 GW · Scoping
- SSE Celtic Sea 1Offshore wind · 1.5 GW · Scoping
- Celtic MPIInterconnector · 1.5 GW · Scoping
- Cormoran Offshore Wind FarmOffshore wind · 1.0 GW · Scoping
- Alverdiscott FarmSolar + storage · 1.0 GW · Scoping
- Celtic 2 Offshore Wind FarmOffshore wind · 1.0 GW · Scoping
- Equinor Celtic Sea 1Offshore wind · 1.0 GW · Scoping
- Gwynt Glas Offshore Wind Farm 2Offshore wind · 1.0 GW · Scoping
- Petroc Extension Offshore Wind FarmOffshore wind · 1.0 GW · Scoping
- Gwynt Glas Offshore Wind FarmOffshore wind · 300 MW · Scoping
- Merlin Offshore Wind FarmOffshore wind · 300 MW · Scoping
- Morwind 300Offshore wind · 300 MW · Scoping
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