Grid connection 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 shown2,255782.1 GW in total

In planning1,590scoping or awaiting consent

Consented or building265closest to connecting

Built400connected 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

2,255 projects · page 15 of 46

Project	Capacity	Stage	Connection site	From
Marston Farm 2 Solar + storage · 548 UK Investment Holdings Limited	350 MW	Scoping	Marston Vale 400kV Substation National Grid (England & Wales)	Oct 2032
Patford Bridge Farm 2 Solar + storage · 548 UK Investment Holdings Limited	350 MW	Scoping	New Patford Bridge 400kV Substation National Grid (England & Wales)	Oct 2033
Pembroke BESS Battery storage · RWE Generation UK Plc	350 MW	Consents Approved	Pembroke 400kV Substation National Grid (England & Wales)	May 2029
Project Invicta Solar + storage · Project Invicta Limited	350 MW	Scoping	East Kent Connection Node B 400kV Substation National Grid (England & Wales)	Oct 2036
Sedgeby Solar Farm Solar + storage · Sedgeby Solar Limited	350 MW	Awaiting Consents	Thormanby 400kV Substation National Grid (England & Wales)	Oct 2033
Stack Hill Solar and Storage Solar + storage · RWE Renewables UK Solar and Storage Limited	350 MW	Scoping	Trent Valley South Connection Node B 400kV Substation National Grid (England & Wales)	Oct 2034
Westfield BESS Battery storage · Brockwell Energy Limited	350 MW	Scoping	Westfield 400kV Substation SP Transmission (south Scotland)	Oct 2031
Whitson BESS NP Battery storage · Equinor New Energy Limited	350 MW	Scoping	South Wales East Node A 275kV Substation National Grid (England & Wales)	Oct 2037
Shotwick BESS Battery storage · Shotwick Land Limited	350 MW	Scoping	Merseyside Connection Node A 400Kv Substation National Grid (England & Wales)	Oct 2037
Cilfynydd BESS Battery storage · Cilfynydd BESS Limited	350 MW	Scoping	Cilfynydd 400kV Substation National Grid (England & Wales)	Oct 2037
Uskmouth Battery storage · Uskmouth Energy Storage Limited	350 MW	Built	Uskmouth 132kV Substation National Grid (England & Wales)
Welbar Energy Storage Battery storage · Welbar Energy Storage Limited	350 MW	Built	Hams Hall 400kV Substation National Grid (England & Wales)
Blackhillock Battery Battery storage · Blackhillock Flexpower Ltd	349 MW	Consents Approved	Blackhillock 400kV Substation SSEN Transmission (north Scotland)	Oct 2028
SAE Usk 1 Battery storage · Afon Wysg Energy Limited	349 MW	Scoping	South Wales East Node A 275kV Substation National Grid (England & Wales)	Oct 2037
Galloper Wind Farm Offshore wind · Galloper Wind Farm Limited	348 MW	Built	Galloper North 132/33kV Substation National Grid (England & Wales)
ESB Harker BESS Battery storage · Esb (Harker) Ltd	342 MW	Scoping	Harker 400kV Substation National Grid (England & Wales)	Oct 2039
Blacklaw Wind + storage · Scottish Power Renewables (UK) Limited	340 MW	Scoping	Blacklaw 132/33kV SP Transmission (south Scotland)	Oct 2032
Melton Mowbray Solar Solar + storage · Cubico UK Development Limited	340 MW	Scoping	West Anglia Connection Node I 400kV substation National Grid (England & Wales)	Oct 2037
Pittlesheugh Farm Battery storage · Pittlesheugh Farm BESS Limited	340 MW	Scoping	Eccles 400/132kV SP Transmission (south Scotland)	Oct 2030
Tween Bridge Solar Park Solar + storage · RWE Renewables UK Solar and Storage Limited	340 MW	Scoping	Trent Valley North Connection Node B 400kV Substation National Grid (England & Wales)	Oct 2029
High Mathernock Battery Storage Battery storage · Harmony HM Limited	334 MW	Scoping	High Mathernock 132Kv Substation SP Transmission (south Scotland)	Oct 2029
Park Farm Hybrid Solar and BESS Solar + storage · Voltalia UK Ltd	332 MW	Scoping	Derbyshire Connection Node A 400kV Substation National Grid (England & Wales)	Oct 2037
Arecleoch Onshore wind · Scottish Power Renewables (UK) Limited	330 MW	Scoping	Arecleoch 132/33kV SP Transmission (south Scotland)	Jun 2032
Walney 4 Offshore Wind Farm Offshore wind · Walney Extension Limited	330 MW	Built	Walney 4 Offshore Substation National Grid (England & Wales)
Walney 3 Offshore Wind Farm Offshore wind · Walney Extension Limited	330 MW	Built	Walney 3 Offshore Substation National Grid (England & Wales)
Zenobe Butler's Wood BESS Battery storage · Zenobe Energy Limited	330 MW	Scoping	Butlers Wood 400kV Substation National Grid (England & Wales)	Oct 2034
Creyke Beck Solar Farm Solar · RWE Renewables UK Solar and Storage Limited	320 MW	Scoping	Creyke Beck GSP National Grid (England & Wales)	May 2033
Hurst BESS Battery storage · Luminous Energy Group Limited	320 MW	Scoping	North Kent Connection Node C 400kV Substation National Grid (England & Wales)	Oct 2037
Monk Fryston SSE Battery storage · Sse Battery Monk Fryston Limited	320 MW	Consents Approved	Monk Fryston 275kV Substation National Grid (England & Wales)	Oct 2025
Sheringham Shoal Offshore Wind Farm Offshore wind · Scira Offshore Energy Limited	315 MW	Built	Sheringham Shoal 33/132kV Offshore Substations Offshore transmission owner
Calderdale Wind Farm 312MW Onshore wind · Calderdale Wind Farm Ltd	312 MW	Scoping	Leeds North Connection Node B 400kV Substation National Grid (England & Wales)	Oct 2035
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
Alcemi Midmill BESS Battery storage · Alcemi Storage Developments 2 Limited	300 MW	Scoping	Kintore 275kV SSEN Transmission (north Scotland)	Dec 2029
Foyers Hydro and pumped storage · Sse Generation Limited	300 MW	Built	Foyers 275kV Substation SSEN Transmission (north Scotland)
BOOM Power Llanbabo Generation Battery storage · Carrog Storage Facility Limited	300 MW	Consents Approved	Wylfa 400kV Substation National Grid (England & Wales)	Oct 2028
Boom Power Seaton Hill Generation HUB Battery storage · Seatonhill Storage Facility Limited	300 MW	Scoping	Cockenzie 400/275kV SP Transmission (south Scotland)	Oct 2033
Bramford BESS Battery storage · Cse33 Limited	300 MW	Consents Approved	Bramford 400kV Substation National Grid (England & Wales)	Nov 2029
Castlemilk 1 Solar · Queequeg Renewables Ltd	300 MW	Scoping	Castlemilk 400kV Substation SP Transmission (south Scotland)	Oct 2036
Cellarhead 400kV Energy Storage Battery storage · C & S Energy Limited	300 MW	Under Construction/Commissioning	Cellarhead 400kV Substation National Grid (England & Wales)	Sep 2028
Chickerell Solar + storage · Enso Green Holdings X Limited	300 MW	Awaiting Consents	Chickerell 400kV Substation National Grid (England & Wales)	Oct 2037
Coddington BESS Battery storage · Shaw-Energi Ltd	300 MW	Scoping	Trent Valley South Connection Node A 400kV National Grid (England & Wales)	Oct 2034
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
Cranwell Solar & BESS Farm Solar + storage · Trio Power Limited	300 MW	Scoping	Trent Valley South Connection Node C 400kV Substation National Grid (England & Wales)	Oct 2034
Crossgatehall BESS Battery storage · De 001 Limited	300 MW	Scoping	Smeaton 400/275kV SP Transmission (south Scotland)	Oct 2033
Didcot Energy Park Battery storage · Brockwell Storage & Solar Limited	300 MW	Awaiting Consents	Didcot 400kV Substation National Grid (England & Wales)	Oct 2027
Didcot Road Battery storage · Didcot BESS Limited	300 MW	Consents Approved	Didcot 400kV Substation National Grid (England & Wales)	Oct 2028
Dragon Green BESS Battery storage · Shaw-Energi Ltd	300 MW	Scoping	Sussex and Romney Connection Node B 400kV Substation National Grid (England & Wales)	Oct 2037

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.