Power plants

Pumped storage power stations in the UK

Rare Context lists 17 pumped storage power stations in the United Kingdom, with 13,720 MW of capacity between them. The largest is Dinorwig (1,728 MW).

All pumped storage power stations

Sorted by capacity; plants not built yet come after the others. A plant counts under each technology its register gives it.

Power plant	Region	Owner or operator	Capacity
Dinorwig	Wales	Engie Power	1,728 MW
Cruachan	Scotland	Drax Group	440 MW
Ffestiniog	Wales	Engie Power	360 MW
Foyers	Scotland	SSE Group	300 MW
Glyn Rhonwy Pumped Storage	Wales	Snowdonia Pumped Hydro	99.9 MW
Cruachan Upgrade Project (Unis 3 & 4)	Scotland	Drax Power Limited	40 MW
Glen Earrach Pumped Storage Hydro planned	Scotland	Glen Earrach Energy Limited	2,000 MW
Fearna Pumped Storage Hydro Scheme - Hydro Project planned	Scotland	Fearna PSH Limited	1,800 MW
Moy Lodge, Tulloch - Earba Pumped Storage Hydro permitted	Scotland	Gilkes Energy	1,800 MW
Balliemeanoch Pumped Hydro Project planned	Scotland	Intelligent Land Investments Group	1,500 MW
Coire Glas permitted	Scotland	SSE Renewables	1,500 MW
Cruachan Hydro Expansion permitted	Scotland	Stantec UK +1	600 MW
Loch Ness & Loch Kemp - Pumped Hydro Scheme planned	Scotland	Statera Energy	600 MW
Red John Pumped Storage permitted	Scotland	Statkraft	450 MW
Glenmuckloch Pumped Storage Hydro permitted	Scotland	Buccleuch Estates Limited	400 MW
Sloy Hydroelectric Power Station - Pumped Hydro Conversion planned	Scotland	Scottish & Southern Energy Renewables	100 MW
Tameside General Hospital - Energy Centre planned	England	Tameside & Glossop Acute Services NHS Trust	2 MW

By region

Scotland13 · 11,530 MW
Wales3 · 2,188 MW
England1 · 2 MW

Every pumped storage power station in the United Kingdom, with owners.All 17 in one file, each with its capacity and grid status. We research what the public sources leave out.

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Data on this page

Contains public sector information licensed under the Open Government Licence v3.0. DUKES 5.11: Power stations in the United Kingdom, Open Government Licence v3.0.
Contains public sector information licensed under the Open Government Licence v3.0. DESNZ Renewable Energy Planning Database (REPD), Open Government Licence v3.0.
Supported by National Energy SO Open Data. NESO TEC Register, NESO Open Data Licence v1.0.
Contains public sector information licensed under the Open Government Licence v3.0. Planning Inspectorate: National Infrastructure Projects, Open Government Licence v3.0.