Pumped storage stations in Wales
Every hydroelectric scheme and pumped-storage station in the UK government's register of power stations, from small run-of-river schemes to Cruachan and Dinorwig. Each site page merges the government's operating record with its planning history where the two match.
Matching sites2
Capacity2,160 MW
Small hydro73110 MW
Large hydro521,356 MW
Planning, consented, under-construction and stopped projects open in the project pipeline.
Largest matching sites by capacity
Capacity by nation click to filter
Map: pumped storage stations in Wales
2 sites mapped
Small hydroLarge hydroPumped storage Circle size shows capacity. The filters below narrow the map and the list together.
| Site | Capacity | Stage |
|---|---|---|
| Dinorwig Power Station | 1,800 MW | |
| Ffestiniog Power Station | 360 MW |
Page 1 of 1 Β· 2 sites
Largest operators
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This list covers sites in operation. Proposals, consented schemes and sites under construction are in the project pipeline. For how the technology works, see the guide.
Source: Department for Energy Security and Net Zero, Digest of UK Energy Statistics (DUKES) table 5.11, and the Renewable Energy Planning Database. Capacities are installed capacity, not live output.