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 |
|---|---|---|
| Earba PSH Hydro and pumped storage Β· Earba Limited |
1.8 GW | Consents Approved |
| Coire Glas Pumped Storage Hydro and pumped storage Β· Coire Glas Hydro Pumped Storage Limited |
612 MW | Consents Approved |
| Earba PSH Hydro and pumped storage Β· Earba Limited |
600 MW | Consents Approved |
| Loch na Cathrach Pumped Storage Hydro Hydro and pumped storage Β· Statkraft Highlands Psh Limited |
550 MW | Consents Approved |
| Cruachan U3&4 Replacement Hydro and pumped storage Β· Drax Pumped Storage Limited |
480 MW | Consents Approved |
| Loch na Cathrach Pumped Storage Hydro Hydro and pumped storage Β· Statkraft Highlands Psh Limited |
450 MW | Consents Approved |
| Glenmuckloch Pumped Storage Hydro and pumped storage Β· Glenmuckloch Pumped Storage Hydro Limited |
210 MW | Consents Approved |
| Muaitheabhal Wind Farm Hydro and pumped storage Β· Uisenis Power Limited |
189 MW | Consents Approved |
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.