Home βΊ Grid infrastructure βΊ Connection queue
NESO TEC REGISTER Β· GREAT BRITAINHydro and pumped storage 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.
Map
Voltage400 kV275 kV132 kVHVDCNew HVAC
ProjectsPlanningConsentedConstructionBuiltMajor project with its own page
Projects
| Project | Capacity | Stage |
|---|---|---|
| Cruachan Expansion Hydro and pumped storage Β· Drax Cruachan Expansion Limited |
600 MW | Scoping |
| Cruachan U3&4 Replacement Hydro and pumped storage Β· Drax Pumped Storage Limited |
480 MW | Consents Approved |
| Cruachan U3&4 Replacement Hydro and pumped storage Β· Drax Pumped Storage Limited |
440 MW | |
| Whitelee Extension Hydro and pumped storage Β· Scottish Power Renewables (UK) Limited |
238 MW | |
| Glenmuckloch Pumped Storage Hydro and pumped storage Β· Glenmuckloch Pumped Storage Hydro Limited |
210 MW | Consents Approved |
| 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.