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 shown497.0 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

49 projects

Project	Capacity	Stage	Connection site	From
Neilston 400kV Greener Grid Park Battery storage · Statkraft UK Ltd	600 MW	Consents Approved	Neilston 400kV Substation SP Transmission (south Scotland)	Oct 2029
Alcemi Devilla Battery Energy Storage Facility Battery storage · Alcemi Storage Developments 3 Limited	500 MW	Consents Approved	Devilla Battery Storage 275kV substation SP Transmission (south Scotland)	Oct 2027
Kilmarnock South Battery Storage Battery storage · Kilmarnock Energy Centre Limited	500 MW	Consents Approved	Kilmarnock South 400kV Substation SP Transmission (south Scotland)	Apr 2027
Rawhills Battery Energy Storage Facility(Coalburn 2) Battery storage · Alcemi Storage Developments 6 Limited	500 MW	Consents Approved	Coalburn 400kV GIS Substation SP Transmission (south Scotland)	Aug 2027
Cruachan U3&4 Replacement Hydro and pumped storage · Drax Pumped Storage Limited	480 MW	Consents Approved	Cruachan 275kV Substation SP Transmission (south Scotland)	Apr 2029
Sanquhar II Wind Farm Onshore wind · Sanquhar II Community Wind Co Ltd	250 MW	Consents Approved	Sanquhar II Wind Farm Substation SP Transmission (south Scotland)	Nov 2027
Smeaton BESS Battery storage · Kona Asset 3 Limited	228 MW	Consents Approved	Smeaton 400kV SP Transmission (south Scotland)	Jul 2028
Glenmuckloch Pumped Storage Hydro and pumped storage · Glenmuckloch Pumped Storage Hydro Limited	210 MW	Consents Approved	Glenmuckloch 132kV Substation SP Transmission (south Scotland)	May 2029
Highview Hunterston East Cryobattery Battery storage · Hvs Siteco Ltd	200 MW	Consents Approved	Hunterston East 400kV SP Transmission (south Scotland)	Oct 2027
Hunterston Battery Storage Facility Battery storage · Hunterston Grid 1 Ltd	200 MW	Consents Approved	Hunterston East 400kV substation SP Transmission (south Scotland)	Mar 2028
Hunterston Energy Storage Facility Battery storage · Hunterston Grid 1 Ltd	200 MW	Consents Approved	Ayrshire Grid 400kV Substation SP Transmission (south Scotland)	Mar 2028
Kincardine Battery Storage Facility Battery storage · Kincardine Grid 1 Ltd	200 MW	Consents Approved	Fife Grid Services Facility 275kV Substation SP Transmission (south Scotland)	Dec 2028
Kincardine Energy Storage Facility Battery storage · Kincardine Grid 1 Ltd	200 MW	Consents Approved	Fife Grid Services Facility 275kV Substation SP Transmission (south Scotland)	Dec 2028
Whitehill Battery Storage Battery storage · Whitehill Battery Storage Ltd	200 MW	Consents Approved	Easterhouse 275kV SP Transmission (south Scotland)	Oct 2028
WindyHill Energy Storage Facility Battery storage · Windyhill Grid 1 LTD	200 MW	Consents Approved	Windyhill 132kV SP Transmission (south Scotland)	Dec 2027
Zenobe Coalburn Battery Storage Battery storage · Zenobe Coalburn Limited	200 MW	Consents Approved	Coalburn North 400kV Substation SP Transmission (south Scotland)	Aug 2027
Ayr Energy Storage Battery storage · Kxp Alpha I Limited	150 MW	Consents Approved	Ayr 275/33kV Substation SP Transmission (south Scotland)	Oct 2028
Glennifer Road BESS Battery storage · Drax BESS Neilston Limited	150 MW	Consents Approved	Glennifer Road BESS 132kV substation SP Transmission (south Scotland)	Jul 2028
Sanquhar II Wind Farm Onshore wind · Sanquhar II Community Wind Co Ltd	137 MW	Consents Approved	Sanquhar II Wind Farm Substation SP Transmission (south Scotland)	Oct 2026
Lethans Wind Farm Onshore wind · Lethans Wind Farm Limited	132 MW	Consents Approved	Lethans Collector Substation SP Transmission (south Scotland)	Oct 2029
Kennoxhead Wind Farm Onshore wind · Perigus Energy UK Limited	112 MW	Consents Approved	Coalburn 132kV SP Transmission (south Scotland)	Apr 2028
Flemyland Battery Storage Battery storage · Flemyland Battery Storage Limited	100 MW	Consents Approved	Kilwinning 132/33kV SP Transmission (south Scotland)	Apr 2029
Chirmorie Wind Farm Onshore wind · Chirmorie Wind Farm Limited	91 MW	Consents Approved	Chirmorie Wind Farm substation SP Transmission (south Scotland)	Apr 2027
Greenburn Mixed Technology Onshore wind · Reg Greenburn Limited	90 MW	Consents Approved	Greenburn Mixed Technology 132kV Substation SP Transmission (south Scotland)	Jun 2028
Windy Standard III Wind Farm Onshore wind · Windy Standard III Limited	88 MW	Consents Approved	Dun Hill 132/33kV SP Transmission (south Scotland)	Oct 2027
Artfield Forest Wind Farm Onshore wind · Artfield Forest Wind Farm Ltd	86 MW	Consents Approved	Artfield Forest Wind Farm 132kV Substation SP Transmission (south Scotland)	Jun 2030
Lethans Wind Farm Extension Onshore wind · Lethans East Wind Farm Limited	85 MW	Consents Approved	Lethans Collector 132kV Substation SP Transmission (south Scotland)	Oct 2029
Shepherds Rig Wind Farm Onshore wind · Sett Wind Development Limited	85 MW	Consents Approved	Shepards Rig 132/33kV SP Transmission (south Scotland)	May 2030
Benthead Solar Solar + storage · Benthead Solar Limited	63 MW	Consents Approved	Kilwinning 132/33kV SP Transmission (south Scotland)	Apr 2025
Dolphingstone Farm Battery storage · Bssl East Lothian 1 Ltd	63 MW	Consents Approved	Cockenzie 275/33kV Substation SP Transmission (south Scotland)	Oct 2028
Inchbean Energy Park Battery storage · Brockwell Storage & Solar Limited	60 MW	Consents Approved	Kilmarnock Town 275/33kV Substation SP Transmission (south Scotland)	Feb 2027
Coylton 275kV Greener Grid Park Battery storage · Coylton Energy Limited	50 MW	Consents Approved	Coylton 275kV substation SP Transmission (south Scotland)	May 2026
Overhill Wind Farm Onshore wind · Energyfarm UK Overhill LLP	50 MW	Consents Approved	Overhill 132kV Substation SP Transmission (south Scotland)	Jun 2029
Pines Burn Wind Farm Onshore wind · Pines Burn Wind Farm LLP	50 MW	Consents Approved	Hawick GSP SP Transmission (south Scotland)	Aug 2023
Well Street Paisley Battery storage · Gas Generation Property Limited	50 MW	Consents Approved	Elderslie 132/33kV SP Transmission (south Scotland)	Jun 2028
Hopsrig Wind Farm Onshore wind · Hopsrig Wind Farm Limited	48 MW	Consents Approved	Hopsrig Collector Substation SP Transmission (south Scotland)	Oct 2027
Glenrothes BESS Battery storage · Glenrothes BESS Ltd	46 MW	Consents Approved	Glenrothes 275/33kV SP Transmission (south Scotland)	Oct 2025
Glenshimmeroch Windfarm Onshore wind · Energyfarm UK Glenshimmeroch LLP	45 MW	Consents Approved	SPT Margree collector substation SP Transmission (south Scotland)	Oct 2029
Priestgill Wind Farm Onshore wind · Priestgill Wind Farm Limited	44 MW	Consents Approved	Elvanfoot substation SP Transmission (south Scotland)	Nov 2026
Windy Standard III Wind Farm Onshore wind · Windy Standard III Limited	44 MW	Consents Approved	Dun Hill 132/33kV SP Transmission (south Scotland)	Jun 2026
Balbougie Energy Centre Battery storage · Balbougie Energy Centre II Limited	42 MW	Consents Approved	Inverkeithing 132/33kV SP Transmission (south Scotland)	Jul 2026
Kellwood Road BESS Battery storage · Geocore (Kellwood) Ltd	40 MW	Consents Approved	Dumfries 132/33kV SP Transmission (south Scotland)	Jul 2030
Drumfad Battery Storage System Battery storage · Eku Energy Faune Projects (UK) Limited	40 MW	Consents Approved	Helensburgh 132/33kV SP Transmission (south Scotland)	Oct 2027
Loganhead Windfarm Onshore wind · Loganhead Wf Limited	36 MW	Consents Approved	Hopsrig Collector Substation SP Transmission (south Scotland)	Oct 2027
St Marys Isle Solar Farm Solar + storage · Grupotec Solar UK 5 Limited	36 MW	Consents Approved	Tongland 132/11kV SP Transmission (south Scotland)	Jun 2030
Glenmuckloch Wind Farm Onshore wind · Glenmuckloch Renewable Energy Limited	34 MW	Consents Approved	Glenmuckloch 132/33kV SP Transmission (south Scotland)	May 2029
Elvanfoot (9.8 MW) Energy Storage Battery storage · Elvanfoot Energy Storage Limited	9.8 MW	Consents Approved	Elvanfoot 400/275/33kV SP Transmission (south Scotland)	Apr 2027
Ayrshire Grid Services Facility Other · Hunterston Grid 3 Ltd	0 MW	Consents Approved	Ayrshire Grid 400kV Collector Substation SP Transmission (south Scotland)	Mar 2028
Neilston Synchronous Compensation Other · Neilston Grid Services Limited	0 MW	Consents Approved	Neilston 400kV Substation SP Transmission (south Scotland)	Jun 2025

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.