Pumped-storage hydro · grid battery
Cruachan
operatingUnited Kingdom · closed loop, no river attached
- Turbine capacity
- 440 MW
- Energy storage
- -
- Gross head
- -
- First unit
- 1965
The original 'Hollow Mountain' under Ben Cruachan, pumping from Loch Awe; Drax shelved its 600 MW expansion in 2025
Nameplate figures and coordinates: Wikipedia · 56.4064, -5.1131