Home βΊ Grid infrastructure βΊ Connection queue
NESO TEC REGISTER Β· GREAT BRITAINHydro and pumped 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.
Map
Voltage400 kV275 kV132 kVHVDCNew HVAC
ProjectsPlanningConsentedConstructionBuiltMajor project with its own page
Projects
| Project | Capacity | Stage |
|---|---|---|
| Glen Earrach PSH Hydro and pumped storage Β· Glen Earrach Energy Limited |
1.8 GW | Scoping |
| Fearna PSH 2 Hydro and pumped storage Β· Fearna Psh Limited |
1.5 GW | Awaiting Consents |
| Ferrybridge D Hydro and pumped storage Β· Keadby Generation Limited |
1.4 GW | Awaiting Consents |
| Coire Glas Pumped Storage Hydro and pumped storage Β· Coire Glas Hydro Pumped Storage Limited |
1.3 GW | Scoping |
| Ferrybridge D Hydro and pumped storage Β· Keadby Generation Limited |
1.2 GW | Scoping |
| Market Harborough Green Energy Hub Hydro and pumped storage Β· Telis Energy UK Limited |
1.0 GW | Scoping |
| Balliemeanoch PSH Hydro and pumped storage Β· ILI (Borders PSH) Ltd |
900 MW | Scoping |
| Loch Kemp PSH Hydro and pumped storage Β· Loch Kemp Storage Limited |
660 MW | Scoping |
| Cruachan Expansion Hydro and pumped storage Β· Drax Cruachan Expansion Limited |
600 MW | Scoping |
| Cambridgeshire Energy Storage Centre Hydro and pumped storage Β· Hydrostor UK Ltd |
500 MW | Scoping |
| Longhaven Energy Storage Centre Hydro and pumped storage Β· Hydrostor UK Ltd |
500 MW | Scoping |
| Loch Fearna Pumped Storage Hydro and pumped storage Β· Fearna Psh Limited |
300 MW | Awaiting Consents |
| Finlarig Hydro and pumped storage Β· Sse Generation Limited |
35 MW | Scoping |
| Hunterston Hydrogen Hydro and pumped storage Β· Statkraft Hydrogen UK Holding Limited |
5 MW | Scoping |
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 βconnection nodesβ are listed but not mapped.