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NESO TEC REGISTER · GREAT BRITAIN

Offshore wind projects in the connection queue

Every generator, battery and interconnector with an agreement to connect to the GB transmission network, from early scoping to built. Filter by technology, stage or network, and open a project for its connection details.

Projects shown95100.2 GW in total
In planning95scoping or awaiting consent
Consented or building12closest to connecting
Built43connected and operating

Map

Loading projects…

Voltage400 kV275 kV132 kVHVDCNew HVAC

ProjectsPlanningConsentedConstructionBuiltMajor project with its own page

Projects

95 projects · page 1 of 2
ProjectCapacityStageConnection siteFrom
Marram Wind Offshore Wind Farm
Offshore wind · Marramwind Limited
3.0 GWScoping Longside 400kV Substation
SSEN Transmission (north Scotland)
Oct 2033
Hornsea Power Station 4
Offshore wind · Orsted Hornsea Project Four Limited
2.6 GWScoping Creyke Beck 400kV Substation
National Grid (England & Wales)
Oct 2029
Portwind
Offshore wind · Se Portwind Ltd
2.5 GWScoping Chickerell 400kV Substation
National Grid (England & Wales)
Dec 2036
OWPL Windfarm
Offshore wind · Offshore Wind Power Limited
2.3 GWScoping Banniskirk 400kV Substation
SSEN Transmission (north Scotland)
Dec 2030
Caledonia Offshore Wind Farm
Offshore wind · Caledonia Offshore Wind Farm Limited
2.0 GWScoping Greens 400kV Substation
SSEN Transmission (north Scotland)
Oct 2032
Gallos
Offshore wind · Corio Generation Limited
2.0 GWScoping Alverdiscott 400kV Substation
National Grid (England & Wales)
Dec 2036
Machair Offshore Wind Farm
Offshore wind · Scottish Power Renewables (UK) Limited
2.0 GWScoping Machair 275/66kV Offshore Substation
SP Transmission (south Scotland)
Sep 2033
Arven Offshore Wind Farm
Offshore wind · Arven Offshore Wind Farm Limited
1.8 GWScoping Northern Shetland 400kV Substation
SSEN Transmission (north Scotland)
Oct 2033
Bellrock Offshore Wind Farm
Offshore wind · Bellrock Offshore Wind Farm Limited
1.8 GWScoping Hurlie 400kV substation
SSEN Transmission (north Scotland)
Oct 2035
Berwick Bank Offshore Wind Farm C
Offshore wind · Berwick Bank C Limited
1.8 GWScoping Blyth 400kV Substation
National Grid (England & Wales)
Nov 2029
North-East Offshore Hybrid Asset
Offshore wind · National Grid Interconnector Holdings Limited
1.8 GWScoping Kintore GSP
SSEN Transmission (north Scotland)
Jun 2037
GT R4 Offshore Wind Farm
Offshore wind · Gt R4 Limited
1.5 GWScoping Weston Marsh 400kV Substation
National Grid (England & Wales)
Nov 2030
Havbredey
Offshore wind · Havbredey Limited
1.5 GWScoping New Dounreay 400kV substation
SSEN Transmission (north Scotland)
Oct 2033
Hornsea Power Station 4
Offshore wind · Orsted Hornsea Project Four Limited
1.5 GWScoping Creyke Beck 400kV Substation
National Grid (England & Wales)
Oct 2028
Merlin 2 Offshore Windfarm
Offshore wind · Offshore Wind Limited
1.5 GWScoping Alverdiscott 400kV Substation
National Grid (England & Wales)
Oct 2031
Mona Offshore Wind Farm
Offshore wind · Mona Offshore Wind Limited
1.5 GWScoping Bodelwyddan 400kV Substation
National Grid (England & Wales)
Oct 2029
Morgan Offshore Wind Farm
Offshore wind · Morgan Offshore Wind Limited
1.5 GWScoping Penwortham 400kV Substation
National Grid (England & Wales)
Nov 2029
Morven A Offshore Wind Farm (Prev Phoenix 1A)
Offshore wind · Morven Offshore Wind Limited
1.5 GWScoping Hawthorn Pit 400kV Substation
National Grid (England & Wales)
Oct 2031
Phoenix 1B Offshore Wind Farm
Offshore wind · Morven Offshore Wind Limited
1.5 GWScoping Near Branxton 400kV Substation
SP Transmission (south Scotland)
Oct 2033
SSE Celtic Sea 1
Offshore wind · Sse Renewables Offshore Windfarm Holdings Limited
1.5 GWScoping Alverdiscott 400kV Substation
National Grid (England & Wales)
Dec 2036
Stromar Offshore Windfarm
Offshore wind · Stromar Offshore Wind Farm Limited
1.5 GWScoping Greens 400kV Substation
SSEN Transmission (north Scotland)
Dec 2035
Torridge Offshore Wind Farm
Offshore wind · Gwynt Glas Offshore Wind Farm Limited
1.5 GWScoping Torridge Offshore Substation
National Grid (England & Wales)
Oct 2031
Dogger Bank D Offshore Wind Farm
Offshore wind · Doggerbank Offshore Wind Farm Project 4 Projco Limited
1.5 GWScoping Birkhill Wood 400kV Substation
National Grid (England & Wales)
Oct 2031
Dogger Bank South East
Offshore wind · RWE Renewables UK Dogger Bank South (East) Limited
1.5 GWScoping Birkhill Wood 400kV Substation
National Grid (England & Wales)
Nov 2031
Dogger Bank South West
Offshore wind · Rwe Renewables UK Dogger Bank South (West) Limited
1.5 GWScoping Birkhill Wood 400kV Substation
National Grid (England & Wales)
Nov 2031
Intog 2
Offshore wind · Cerulean Winds Limited
1.4 GWScoping Near Branxton 400kV Substation
SP Transmission (south Scotland)
Jun 2032
Berwick Bank Offshore Wind Farm A
Offshore wind · Berwick Bank A Limited
1.4 GWScoping Branxton 400kV Substation
SP Transmission (south Scotland)
Oct 2029
Berwick Bank Offshore Wind Farm B
Offshore wind · Berwick Bank B Limited
1.4 GWScoping Branxton 400kV Substation
SP Transmission (south Scotland)
Jun 2031
Cenos
Offshore wind · Flotation Energy Limited
1.4 GWScoping Peterhead 400kV Substation
SSEN Transmission (north Scotland)
Oct 2035
Scira-Dudgeon Extension
Offshore wind · Sheringham Shoal And Dudgeon Extensions Projco Limited
1.4 GWScoping Norwich Main 400kV Substation
National Grid (England & Wales)
Oct 2034
Isle of Man Offshore Wind Farm
Offshore wind · Mooir Vannin Offshore Wind Farm Limited
1.3 GWScoping Imw01 Offshore 275/66Kv Offshore Substation
National Grid (England & Wales)
Sep 2037
Norfolk Boreas
Offshore wind · Norfolk Boreas Limited
1.3 GWScoping Necton 400kV Substation
National Grid (England & Wales)
Dec 2030
Ossian 1 Offshore Wind Farm
Offshore wind · Ossian Offshore Wind Farm Limited
1.3 GWScoping Brechin 400/275 kV Substation
SSEN Transmission (north Scotland)
Oct 2033
Bellrock Offshore Wind Farm
Offshore wind · Bellrock Offshore Wind Farm Limited
1.2 GWScoping Hurlie 400kV substation
SSEN Transmission (north Scotland)
Oct 2032
Rampion Extension Offshore Wind Farm
Offshore wind · Rampion Extension Development Limited
1.2 GWScoping Bolney 400kV Substation
National Grid (England & Wales)
Dec 2029
Berwick Bank Offshore Wind Farm A
Offshore wind · Berwick Bank A Limited
1.2 GWScoping Branxton 400kV Substation
SP Transmission (south Scotland)
Oct 2028
Berwick Bank Offshore Wind Farm B
Offshore wind · Berwick Bank B Limited
1.2 GWScoping Branxton 400kV Substation
SP Transmission (south Scotland)
Oct 2029
Awel Y Mor
Offshore wind · Awel Y Mor Offshore Wind Farm Limited
1.1 GWScoping Bodelwyddan 400kV Substation
National Grid (England & Wales)
Mar 2030
Five Estuaries Offshore Wind Farm
Offshore wind · Five Estuaries Offshore Wind Farm Limited
1.1 GWScoping Five Estuaries 220/66 kV Offshore Substation
National Grid (England & Wales)
Oct 2030
Ayre (ex Cluaran Ear - Thuath) Offshore Wind Farm
Offshore wind · Ayre Offshore Wind Farm Limited
1.0 GWAwaiting Consents Banniskirk 400kV Substation
SSEN Transmission (north Scotland)
Oct 2033
Bowdun (ex Cluaran Deas Ear) Offshore Wind Farm
Offshore wind · Bowdun Offshore Wind Farm Limited
1.0 GWAwaiting Consents Hurlie 400kV substation
SSEN Transmission (north Scotland)
Dec 2035
Cormoran Offshore Wind Farm
Offshore wind · South West Wind Holdco Limited
1.0 GWScoping Alverdiscott 400kV Substation
National Grid (England & Wales)
Dec 2036
Mererid Offshore Wind Farm
Offshore wind · South West Wind Holdco Limited
1.0 GWScoping Alverdiscott 400kV Substation
National Grid (England & Wales)
Dec 2036
Ossian 4 Offshore Wind Farm
Offshore wind · Ossian Offshore Wind Farm Limited
1.0 GWScoping Cousland 400kV
National Grid (England & Wales)
Oct 2033
Celtic 2 Offshore Wind Farm
Offshore wind · RWE Offshore Wind
1.0 GWScoping Alverdiscott 400kV Substation
National Grid (England & Wales)
Oct 2031
Celtic Sea Offshore Wind Farm (ESB)
Offshore wind · Esb Asset Development UK Limited
1.0 GWScoping Celtic Sea 275/66Kv Offshore Substation
National Grid (England & Wales)
Oct 2031
Equinor Celtic Sea 1
Offshore wind · Equinor New Energy Limited
1.0 GWScoping Alverdiscott 400kV Substation
National Grid (England & Wales)
Dec 2036
Equinor Celtic Sea 2
Offshore wind · Equinor New Energy Limited
1.0 GWScoping Equinor 66Kv Offshore Substation
National Grid (England & Wales)
Dec 2036
Gwynt Glas Offshore Wind Farm 2
Offshore wind · Gwynt Glas Offshore Wind Farm Limited
1.0 GWScoping Alverdiscott 400kV Substation
National Grid (England & Wales)
Dec 2036
Icewind Blyth
Offshore wind · Kari Energy Limited
1.0 GWScoping Blyth 400kV Substation
National Grid (England & Wales)
Oct 2031
Page 1 of 2

Sources: NESO Transmission Entry Capacity (TEC) register and interconnector register (downloaded 8 November 2026); NESO Clean Power 2030 network map (existing and planned circuits, substations and network projects); National Grid Electricity Transmission overhead line routes. Contains data from NESO, licensed under the NESO Open Data Licence, and National Grid open data. Projects are placed at their connection substation, not the generating site; projects at new, unnamed “connection nodes” are listed but not mapped.