πŸ”Œ EV Partnership Switch to Octopus Energy & unlock exclusive smart EV charging rates Find out more β†’ Skip to main content

Home β€Ί Grid infrastructure β€Ί Connection queue

NESO TEC REGISTER Β· GREAT BRITAIN

Battery storage 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 shown224.3 GW in total
In planning609scoping or awaiting consent
Consented or building126closest to connecting
Built79connected and operating

Map

Loading projects…

Voltage400 kV275 kV132 kVHVDCNew HVAC

ProjectsPlanningConsentedConstructionBuiltMajor project with its own page

Projects

22 projects
ProjectCapacityStageConnection siteFrom
Thorpe Marsh Energy Park
Battery storage Β· Thorpe Marsh Green Energy Hub Limited
1.4 GWUnder Construction/Commissioning Thorpe Marsh 400kV Substation
National Grid (England & Wales)
Jan 2027
Eccles BESS
Battery storage Β· Eccles Energy Centre Limited
500 MWUnder Construction/Commissioning Eccles 400kV Substation
SP Transmission (south Scotland)
Apr 2026
Zenobe Eccles Battery Storage
Battery storage Β· Zenobe Eccles Limited
400 MWUnder Construction/Commissioning Eccles 400kV Substation
SP Transmission (south Scotland)
Apr 2026
Kilmarnock BESS
Battery storage Β· Kilmarnock Flexpower Ltd
350 MWUnder Construction/Commissioning Boydston 400kV substation
SP Transmission (south Scotland)
Nov 2026
Cellarhead 400kV Energy Storage
Battery storage Β· C & S Energy Limited
300 MWUnder Construction/Commissioning Cellarhead 400kV Substation
National Grid (England & Wales)
Sep 2028
Gresham House Cockenzie BESS
Battery storage Β· Cockenzie Storage Limited
240 MWUnder Construction/Commissioning Meadowmill 400/132kV Substation
SP Transmission (south Scotland)
Jul 2027
Berkswell Energy Storage
Battery storage Β· Berkswell Battery Storage Limited
200 MWUnder Construction/Commissioning Berkswell 275kV Substation
National Grid (England & Wales)
Oct 2027
Middleton BESS
Battery storage Β· Middleton Energy Storage Limited
200 MWUnder Construction/Commissioning Middleton 400KV Substation
National Grid (England & Wales)
May 2029
Uskmouth - New Connection
Battery storage Β· Aw1 Energy Storage Limited
120 MWUnder Construction/Commissioning Uskmouth 132kV Substation
National Grid (England & Wales)
Oct 2026
Cockenzie BESS
Battery storage Β· Cockenzie Storage B Ltd
102 MWUnder Construction/Commissioning Meadowmill 400/132kV Substation
SP Transmission (south Scotland)
Jul 2027
Danks Way BESS
Battery storage Β· Ocker Hill BESS Limited
99 MWUnder Construction/Commissioning Ocker Hill C 132kV GSP
National Grid (England & Wales)
Oct 2026
Bramley BESS
Battery storage Β· Bramley BESS Limited
57 MWUnder Construction/Commissioning Bramley 400kV Substation
National Grid (England & Wales)
Oct 2037
Bramley BESS
Battery storage Β· Bramley BESS Limited
50 MWUnder Construction/Commissioning Bramley 400kV Substation
National Grid (England & Wales)
Oct 2027
Persley Croft BESS
Battery storage Β· Persley Croft BESS Ltd
50 MWUnder Construction/Commissioning Persley 132/33kV GSP Substation
SSEN Transmission (north Scotland)
Jul 2026
Sundon
Battery storage Β· Sundon Battery Storage Limited
50 MWUnder Construction/Commissioning Sundon 400kV Substation
National Grid (England & Wales)
Apr 2027
Cryogenic Battery System (Synchronous)
Battery storage Β· Cryobattery One Limited
50 MWUnder Construction/Commissioning Carrington 400KV Substation
National Grid (England & Wales)
Nov 2026
Keith 132 Greener Grid Park
Battery storage Β· Keith Storage Solutions Limited
48 MWUnder Construction/Commissioning Keith 132kV Substation
SSEN Transmission (north Scotland)
Apr 2029
Bankside BESS
Battery storage Β· Falkirk Power Ltd
43 MWUnder Construction/Commissioning Bainsford 132/33kV
SP Transmission (south Scotland)
Nov 2025
Dalmarnock Road BESS
Battery storage Β· Dalmarnock BESS Ltd
40 MWUnder Construction/Commissioning Dalmarnock 132/33Kv Substation
SP Transmission (south Scotland)
Feb 2024
Swansea Greener Grid Park - Connection 1
Battery storage Β· Swansea Grid Solutions Limited
12 MWUnder Construction/Commissioning Swansea North 400kV Substation
National Grid (England & Wales)
Aug 2024
Whitelaw Brae BESS
Battery storage Β· Buk23 Limited
1 MWUnder Construction/Commissioning Whitelaw Brae BESS 33kV substation
SP Transmission (south Scotland)
Jul 2026
Cryogenic Battery System (Synchronous)
Battery storage Β· Cryobattery One Limited
0 MWUnder Construction/Commissioning Carrington 400KV Substation
National Grid (England & Wales)
May 2026

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 β€œconnection nodes” are listed but not mapped.