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NESO TEC REGISTER · GREAT BRITAIN

Grid connection projects in the connection queue on the SSEN Transmission (north Scotland) network

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 shown444102.5 GW in total
In planning303scoping or awaiting consent
Consented or building52closest to connecting
Built89connected and operating

Map

Loading projects…

Voltage400 kV275 kV132 kVHVDCNew HVAC

ProjectsPlanningConsentedConstructionBuiltMajor project with its own page

Projects

444 projects · page 1 of 9
ProjectCapacityStageConnection siteFrom
Marram Wind Offshore Wind Farm
Offshore wind · Marramwind Limited
3.0 GWScoping Longside 400kV Substation
SSEN Transmission (north Scotland)
Oct 2033
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
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
Earba PSH
Hydro and pumped storage · Earba Limited
1.8 GWConsents Approved Earba PSH Powerhouse Substation
SSEN Transmission (north Scotland)
Oct 2035
Glen Earrach PSH
Hydro and pumped storage · Glen Earrach Energy Limited
1.8 GWScoping Glen Earrach PSH 400kV substation
SSEN Transmission (north Scotland)
Oct 2035
North-East Offshore Hybrid Asset
Offshore wind · National Grid Interconnector Holdings Limited
1.8 GWScoping Kintore GSP
SSEN Transmission (north Scotland)
Jun 2037
GB-EU MPI
Interconnector · Windgrid
1.8 GWScoping Fiddes 400kV Substation
SSEN Transmission (north Scotland)
Oct 2033
Havbredey
Offshore wind · Havbredey Limited
1.5 GWScoping New Dounreay 400kV substation
SSEN Transmission (north Scotland)
Oct 2033
Stromar Offshore Windfarm
Offshore wind · Stromar Offshore Wind Farm Limited
1.5 GWScoping Greens 400kV Substation
SSEN Transmission (north Scotland)
Dec 2035
Fearna PSH 2
Hydro and pumped storage · Fearna Psh Limited
1.5 GWAwaiting Consents Fearna Pump Storage Hydro 2 400/15kV Substation
SSEN Transmission (north Scotland)
Nov 2036
Tealing Energy Park
Battery storage · Onpath Energy Limited
1.4 GWScoping Tealing 400kV Substation
SSEN Transmission (north Scotland)
Oct 2033
NorthConnect
Interconnector · Northconnect Limited
1.4 GWScoping Peterhead 400kV Substation
SSEN Transmission (north Scotland)
Mar 2030
Cenos
Offshore wind · Flotation Energy Limited
1.4 GWScoping Peterhead 400kV Substation
SSEN Transmission (north Scotland)
Oct 2035
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
Coire Glas Pumped Storage
Hydro and pumped storage · Coire Glas Hydro Pumped Storage Limited
1.3 GWScoping Coire Glas GSP
SSEN Transmission (north Scotland)
Oct 2029
Bellrock Offshore Wind Farm
Offshore wind · Bellrock Offshore Wind Farm Limited
1.2 GWScoping Hurlie 400kV substation
SSEN Transmission (north Scotland)
Oct 2032
Peterhead
Gas · Sse Thermal Generation (Scotland) Limited
1.2 GWBuilt Peterhead GSP
SSEN Transmission (north Scotland)
Seagreen 1 Offshore Wind Farm
Offshore wind · Seagreen Wind Energy Limited
1.1 GWBuilt Tealing 275/33kV Substation
SSEN Transmission (north Scotland)
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
Halfway Energy Park
Solar + storage · Dalriada Renewables Limited
1.0 GWScoping New East Coast 400kV Substation
SSEN Transmission (north Scotland)
Oct 2035
Marram Wind Offshore Wind Farm
Offshore wind · Marramwind Limited
1.0 GWScoping Longside 400kV Substation
SSEN Transmission (north Scotland)
Oct 2031
Muir Mhor Offshore Wind Farm
Offshore wind · Muir Mhòr Offshore Wind Farm Limited
1.0 GWAwaiting Consents Longside 400kV Substation
SSEN Transmission (north Scotland)
Oct 2033
Spittal BESS Station
Battery storage · Igp Energy Storage 5 Limited
1.0 GWScoping Spittal 2 400kV Substation
SSEN Transmission (north Scotland)
Oct 2033
Stromar Offshore Windfarm
Offshore wind · Stromar Offshore Wind Farm Limited
1.0 GWScoping Greens 400kV Substation
SSEN Transmission (north Scotland)
Oct 2033
Buchan 01 Offshore Wind Farm
Offshore wind · Buchan Offshore Wind Limited
960 MWScoping Peterhead 400kV Substation
SSEN Transmission (north Scotland)
Oct 2033
Peterhead Carbon Capture
Gas · Sse Thermal Generation (Scotland) Limited
910 MWScoping Peterhead 275kV
SSEN Transmission (north Scotland)
Oct 2033
Alyth
Solar + storage · Ecodev (Alyth) Ltd
900 MWScoping Alyth Solar and Battery 400/132kV
SSEN Transmission (north Scotland)
Oct 2033
Balliemeanoch PSH
Hydro and pumped storage · ILI (Borders PSH) Ltd
900 MWScoping Balliemeanoch 275kV Substation
SSEN Transmission (north Scotland)
Oct 2034
Broadshore Offshore Wind Farm
Offshore wind · Broadshore Offshore Wind Farm Limited
900 MWScoping Longside 400kV Substation
SSEN Transmission (north Scotland)
Oct 2033
Fort Augustus Storage
Battery storage · Glendoe Storage Limited
900 MWScoping Loch Nan Eun 275/18kV
SSEN Transmission (north Scotland)
Oct 2029
Moray East Offshore Wind Farm
Offshore wind · Moray Offshore Windfarm (East) Limited
900 MWBuilt New Deer 400kV Substation
SSEN Transmission (north Scotland)
Spiorad Na Mara Offshore Wind Farm
Offshore wind · Spiorad Na Mara Limited
900 MWScoping Arnish Lewis Hub 400kV Substation
SSEN Transmission (north Scotland)
Dec 2030
Moray West Offshore Windfarm
Offshore wind · Moray Offshore Windfarm (West) Limited
860 MWBuilt Moray Firth 220/33kV Platform 1 & 2 Offshore Substation
SSEN Transmission (north Scotland)
OWPL Windfarm
Offshore wind · Offshore Wind Power Limited
750 MWScoping Banniskirk 400kV Substation
SSEN Transmission (north Scotland)
Dec 2029
Loch Kemp PSH
Hydro and pumped storage · Loch Kemp Storage Limited
660 MWScoping Loch Kemp 275kV Switching Station
SSEN Transmission (north Scotland)
Oct 2030
Coire Glas Pumped Storage
Hydro and pumped storage · Coire Glas Hydro Pumped Storage Limited
612 MWConsents Approved Coire Glas GSP
SSEN Transmission (north Scotland)
Oct 2029
Dorenell Windfarm Extension
Onshore wind · Dorenell Windfarm Extension Limited
610 MWScoping Dorenell Extension Wind Farm 400kV Substation
SSEN Transmission (north Scotland)
Oct 2033
Caledonia Offshore Wind Farm
Offshore wind · Caledonia Offshore Wind Farm Limited
600 MWScoping Greens 400kV Substation
SSEN Transmission (north Scotland)
Mar 2031
Cerulean Winds INTOG 1
Offshore wind · Cerulean Winds Limited
600 MWAwaiting Consents Hurlie 400kV substation
SSEN Transmission (north Scotland)
Oct 2033
Earba PSH
Hydro and pumped storage · Earba Limited
600 MWConsents Approved Earba PSH Powerhouse Substation
SSEN Transmission (north Scotland)
Dec 2032
Glenfiddich West
Wind + storage · Boralex Limited
600 MWScoping New North East Substation 400kV Substation
SSEN Transmission (north Scotland)
Oct 2037
LGB300
Battery storage · LG-B-300
600 MWScoping LGB300 400KV Substation
SSEN Transmission (north Scotland)
Jul 2031
SSE Spittal Energy Park
Solar + storage · Sse De Solar Holdco Limited
600 MWScoping Spittal 400kV
SSEN Transmission (north Scotland)
Oct 2033
Beatrice Wind Farm
Offshore wind · Beatrice Offshore Windfarm Limited
588 MWBuilt Beatrice 400kV Substation
SSEN Transmission (north Scotland)
Green Volt Offshore Windfarm
Offshore wind · Green Volt Offshore Windfarm Ltd
560 MWScoping New Deer 400kV Substation
SSEN Transmission (north Scotland)
Oct 2033
Loch na Cathrach Pumped Storage Hydro
Hydro and pumped storage · Statkraft Highlands Psh Limited
550 MWConsents Approved Knocknagael 275kV
SSEN Transmission (north Scotland)
Oct 2030
Akku Tealing Battery Storage
Battery storage · Akku Tealing Limited
500 MWScoping Tealing 400kV Substation
SSEN Transmission (north Scotland)
Oct 2033
Page 1 of 9

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.