Grid connection projects in the connection queue on the SP Transmission (south 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 shown46789.4 GW in total

In planning319scoping or awaiting consent

Consented or building64closest to connecting

Built84connected and operating

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Source: NESO TEC and interconnector registers, downloaded 8 November 2026. Map points are the connection substation, not the project site.

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Connection queue Existing circuits Major grid projects

Voltage400 kV275 kV132 kVHVDCNew HVAC

ProjectsPlanningConsentedConstructionBuiltMajor project with its own page

Projects

467 projects · page 2 of 10

Project	Capacity	Stage	Connection site	From
Ayr Flexpower Solar + storage · Ayr Flexpower Limited	450 MW	Scoping	Ayr Dbb 275Kv Substation SP Transmission (south Scotland)	Oct 2037
Coylton 275kV Greener Grid Park Battery storage · Coylton Energy Limited	450 MW	Scoping	Coylton 275kV substation SP Transmission (south Scotland)	Oct 2037
New Cumnock BESS Solar + storage · New Cumnock BESS Ltd	450 MW	Scoping	New Cumnock 275/132kV Substation SP Transmission (south Scotland)	Oct 2033
Neart Na Gaoithe Offshore Wind Farm Offshore wind · Neart Na Gaoithe Offshore Wind Limited	448 MW	Built	Neart Na Gaoithe 220/66KV Offshore Substation SP Transmission (south Scotland)
Cruachan U3&4 Replacement Hydro and pumped storage · Drax Pumped Storage Limited	440 MW	Built	Cruachan 275kV Substation SP Transmission (south Scotland)
Borders Wind Farm Onshore wind · Edf Energy Renewables Limited	400 MW	Scoping	Borders Windfarm 132kV SP Transmission (south Scotland)	May 2033
Devol Moor Battery & Solar Project Battery storage · Sunshine Project 03 Limited	400 MW	Scoping	Devol Moor 400/132kV SP Transmission (south Scotland)	Sep 2027
Edrom Green Energy Park Battery storage · Np Spv 45 Limited	400 MW	Scoping	Kelloe Mains 400kV Substation SP Transmission (south Scotland)	Oct 2033
Elmya Dunbar BESS Battery storage · Elmya Energy UK 1 Limited	400 MW	Scoping	Thorntonloch 400kV Substation SP Transmission (south Scotland)	Oct 2031
Elmya Hunterston Battery storage · Elmya Rpc UK Hunterston Limited	400 MW	Scoping	Keppen Burn 400Kv Substation SP Transmission (south Scotland)	Oct 2030
Elmya Morningside BESS & PV Solar + storage · Elmya Rpc UK Morningside Limited	400 MW	Scoping	Elmya Morningside 400kV Substation SP Transmission (south Scotland)	Oct 2033
Glenside Farm BESS Battery storage · GPC 1211 Ltd	400 MW	Scoping	Denny North 275/132kV SP Transmission (south Scotland)	Oct 2031
Gresham House Gretna BESS Battery storage · Albusia Ltd	400 MW	Scoping	Gresham House Gretna 400/132kv Substation SP Transmission (south Scotland)	Oct 2031
HECWE Dungavel Wind Farm Solar + storage · Spirebush Ltd	400 MW	Awaiting Consents	Spirebush 132kV Substation SP Transmission (south Scotland)	Jul 2028
Hurlet Battery Battery storage · P-Frequency Ltd	400 MW	Scoping	Neilston 400kV Substation SP Transmission (south Scotland)	Oct 2033
Kelloe Mains Battery storage · Tbc 003 Limited	400 MW	Scoping	Kelloe Mains 400kV Substation SP Transmission (south Scotland)	Nov 2029
Lagrae Battery Storage Battery storage · Lagrae Battery Storage Limited	400 MW	Scoping	Glenmuckloch 132kV Substation SP Transmission (south Scotland)	Oct 2036
Lawfield and Branxton Energy Park Battery storage · Cairn Duhie Energy Limited	400 MW	Scoping	Lawfield and Branxton Energy Park 400kV Substation SP Transmission (south Scotland)	Jun 2028
Lightsource Auchans Battery storage · Lightsource Renewable UK Development Limited	400 MW	Scoping	Linwood 400kV Substation SP Transmission (south Scotland)	Oct 2033
Motherwell 400MW BESS (Formerly Castlehill BESS) Battery storage · SPV GPC 3 Ltd	400 MW	Scoping	Newarthill 275 kV Substation SP Transmission (south Scotland)	Apr 2035
Zenobe Eccles Battery Storage Battery storage · Zenobe Eccles Limited	400 MW	Under Construction/Commissioning	Eccles 400kV Substation SP Transmission (south Scotland)	Apr 2026
Clyde North Onshore wind · Clyde Windfarm (Scotland) Limited	375 MW	Built	Clyde North 275/33kV SP Transmission (south Scotland)
Whitelee Onshore wind · Scottish Power Renewables (UK) Limited	355 MW	Scoping	Whitelee 275/33kV SP Transmission (south Scotland)	May 2031
Denny BESS Battery storage · Igp Energy Storage 3 Limited	350 MW	Scoping	Denny North SP Transmission (south Scotland)	Oct 2030
Kilmarnock BESS Battery storage · Kilmarnock Flexpower Ltd	350 MW	Under Construction/Commissioning	Boydston 400kV substation SP Transmission (south Scotland)	Nov 2026
Westfield BESS Battery storage · Brockwell Energy Limited	350 MW	Scoping	Westfield 400kV Substation SP Transmission (south Scotland)	Oct 2031
Blacklaw Wind + storage · Scottish Power Renewables (UK) Limited	340 MW	Scoping	Blacklaw 132/33kV SP Transmission (south Scotland)	Oct 2032
Pittlesheugh Farm Battery storage · Pittlesheugh Farm BESS Limited	340 MW	Scoping	Eccles 400/132kV SP Transmission (south Scotland)	Oct 2030
High Mathernock Battery Storage Battery storage · Harmony HM Limited	334 MW	Scoping	High Mathernock 132Kv Substation SP Transmission (south Scotland)	Oct 2029
Arecleoch Onshore wind · Scottish Power Renewables (UK) Limited	330 MW	Scoping	Arecleoch 132/33kV SP Transmission (south Scotland)	Jun 2032
Whitelee Onshore wind · Scottish Power Renewables (UK) Limited	305 MW	Built	Whitelee 275/33kV SP Transmission (south Scotland)
AGS Calderside Battery Energy Storage System Battery storage · Advance Grid Solutions Limited	300 MW	Scoping	Ags Calderside 275Kv Substation SP Transmission (south Scotland)	Oct 2029
Aitkenhead Farm BESS Battery storage · Aitkenhead Storage Facility Limited	300 MW	Scoping	Clydesmill 275/33kV SP Transmission (south Scotland)	Apr 2033
Boom Power Seaton Hill Generation HUB Battery storage · Seatonhill Storage Facility Limited	300 MW	Scoping	Cockenzie 400/275kV SP Transmission (south Scotland)	Oct 2033
Castlemilk 1 Solar · Queequeg Renewables Ltd	300 MW	Scoping	Castlemilk 400kV Substation SP Transmission (south Scotland)	Oct 2036
Coylton Farm Battery storage · New Energy Partnership Limited	300 MW	Awaiting Consents	Coylton 275/33kV Substation SP Transmission (south Scotland)	Oct 2037
Craig Moss Farm Battery storage · Qair Renewables UK Limited	300 MW	Scoping	Craig Moss Farm 132kV Substation SP Transmission (south Scotland)	Oct 2036
Crossgatehall BESS Battery storage · De 001 Limited	300 MW	Scoping	Smeaton 400/275kV SP Transmission (south Scotland)	Oct 2033
Elmya Bathgate BESS Battery storage · Rpc Elmya Carnation Bathgate Limited	300 MW	Scoping	Armadale 400kv Substation SP Transmission (south Scotland)	Oct 2031
Grangemouth Hybrid BESS & Solar PV Solar + storage · Tagenergy Development UK Limited	300 MW	Scoping	Letham 400/275kV substation SP Transmission (south Scotland)	Jun 2032
Gresham House Dalmarnock BESS Battery storage · Energyhubdevelopments Limited	300 MW	Scoping	Gresham House Dalmarnock Bess 132kv Substation SP Transmission (south Scotland)	Apr 2030
Gresham House Kincardine BESS Battery storage · Flavusia Ltd	300 MW	Scoping	Gresham House Kincardine BESS 275/132kV substation SP Transmission (south Scotland)	Oct 2029
Newarthill Energy Park Battery storage · Dalzell (Newarthill) Ltd	300 MW	Scoping	Newarthill Energy Park 275kV Substation SP Transmission (south Scotland)	Oct 2029
Red Moss Farm Battery storage · Qair Renewables UK Limited	300 MW	Scoping	Red Moss Farm 132kV Substation SP Transmission (south Scotland)	May 2031
Strathaven BESS Battery storage · Igp Energy Storage 2 Limited	300 MW	Scoping	Strathaven 400kV Substation SP Transmission (south Scotland)	Oct 2033
Zenobe Kilmarnock South Battery storage · Zenobe Kilmarnock South Limited	300 MW	Built	Kilmarnock South 400kV Substation SP Transmission (south Scotland)
Knarie Wind + storage · Invenergy Development UK Ltd	297 MW	Awaiting Consents	Narie 400/132kV Substation SP Transmission (south Scotland)	Oct 2036
Alcemi Armadale BESS Battery storage · Alcemi Storage Developments 8 Ltd	280 MW	Scoping	Whitburn 400kV substation SP Transmission (south Scotland)	Oct 2030
Bodinglee Wind Farm Wind + storage · Bodinglee Wind Farm Limited	280 MW	Awaiting Consents	Bodinglee Wind Farm 132kV SP Transmission (south Scotland)	Apr 2029
Kilgallioch Wind Farm Onshore wind · Scottish Power Renewables (UK) Limited	274 MW	Built	Kilgallioch 275kV Substation SP Transmission (south Scotland)

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.