🔌 EV Partnership Switch to Octopus Energy & unlock exclusive smart EV charging rates Find out more → Skip to main content
Octary · UK hydro power

Hydro schemes and pumped storage in the UK — page 3

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 sites129
Capacity4,366 MW
Small hydro73110 MW
Large hydro521,356 MW

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

UK hydro power
129 sites4.4 GW installed

Largest matching sites by capacity

  1. Dinorwig Power Station1,800 MW
  2. Cruachan440 MW
  3. Ffestiniog Power Station360 MW
  4. Foyers Pumped Storage300 MW
  5. Sloy153 MW

Capacity by nation click to filter

Map: hydro schemes and pumped storage in the UK — page 3

127 sites mapped
Small hydroLarge hydroPumped storage Circle size shows capacity. The filters below narrow the map and the list together.
Clear
SiteCapacityStageTypeRegionOperator
Gisla Power Station - A 0.72 MW Operating Small hydro Scotland SSE Group
Auchtertyre 0.6 MW Operating Small hydro Scotland RWE Npower
Garnedd 0.56 MW Operating Small hydro Wales RWE Npower
Loyne Power Station - A,C 0.55 MW Operating Small hydro Scotland SSE Group
Trinafour Power Station - A 0.55 MW Operating Small hydro Scotland SSE Group
Croesor 0.51 MW Operating Small hydro Wales RWE Npower
Dulyn 0.51 MW Operating Small hydro Wales RWE Npower
Duchally Power Station - A,C,E 0.45 MW Operating Small hydro Scotland SSE Group
Misgeach Power Station - A 0.35 MW Operating Small hydro Scotland SSE Group
Cluanie Dam - A 0.32 MW Operating Small hydro Scotland SSE Group
Quoich Dam - A 0.32 MW Operating Small hydro Scotland SSE Group
Vaich Power Station 0.32 MW Operating Small hydro Scotland SSE Group
Orrin Dam - A 0.26 MW Operating Small hydro Scotland SSE Group
Invergarry Dam - A, E 0.24 MW Operating Small hydro Scotland SSE Group
Cladach Dam 0.22 MW Operating Small hydro Scotland SSE Group
Clunie Dam - A 0.18 MW Operating Small hydro Scotland SSE Group
Stronuich Power Station - A 0.18 MW Operating Small hydro Scotland SSE Group
Beannachran Dam - A 0.16 MW Operating Small hydro Scotland SSE Group
Dundreggan Dam A 0.16 MW Operating Small hydro Scotland SSE Group
Rheidol Hydro Scheme Gen 7 0.1 MW Operating Small hydro Wales Statkraft
Shin Diversion Dam - A 0.1 MW Operating Small hydro Scotland SSE Group
Luichart Dam - A 0.09 MW Operating Small hydro Scotland SSE Group
Kilmelford Compset A,C 0.08 MW Operating Small hydro Scotland SSE Group
Meig Dam 0.08 MW Operating Small hydro Scotland SSE Group
Rheidol Hydro Scheme Gen 5 0.08 MW Operating Small hydro Wales Statkraft
Tralaig Power Station 0.08 MW Operating Small hydro Scotland SSE Group
Pitlochry Compensation Generation - A 0.06 MW Operating Small hydro Scotland SSE Group
Lochay Fish Pass Generator - C 0.05 MW Operating Small hydro Scotland SSE Group
Rheidol Hydro Scheme Gen 6 0.05 MW Operating Small hydro Wales Statkraft
Page 3 of 3 · 129 sites

Largest operators

All operators →

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.