πŸ”Œ EV Partnership Switch to Octopus Energy & unlock exclusive smart EV charging rates Find out more β†’ Skip to main content

Large hydro hydro schemes and 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 sites7
Capacity132 MW
Small hydro73110 MW
Large hydro521,356 MW

Planning, consented, under-construction and stopped projects open in the project pipeline.

Clear
SiteCapacityStageTypeRegionOperator
Maentwrog 35.3 MW Operating Large hydro Wales Babcock International and Fluor Inc
Rheidol Hydro Scheme Gen 2 20.5 MW Operating Large hydro Wales Statkraft
Rheidol Hydro Scheme Gen 3 20.5 MW Operating Large hydro Wales Statkraft
High Head 17 MW Operating Large hydro Wales RWE Npower
Low Head 15 MW Operating Large hydro Wales RWE Npower
Rheidol Hydro Scheme Gen 1 13.5 MW Operating Large hydro Wales Statkraft
Cwm Dyli 9.9 MW Operating Large hydro Wales RWE Npower
Page 1 of 1 Β· 7 sites

Largest operators

All operators β†’

More on uk hydro power

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.