Ranking · hydro

Largest hydro power stations in Great Britain

All 189 operational hydro power stations in Great Britain add up to 1.7 GW of capacity - the top 50 by nameplate rating are ranked below. Great Britain only: Northern Ireland is a separate market (SEM).

Stations: 189
Total capacity: 1.7 GW
Ranked here: top 50

The ranking

#	Station	Capacity (MW)	Technology	Operator	Region	Country
1	Sloy	152.5	Hydro	SSE Group	North Scotland	Scotland
2	Glendoe Hydro Power Station	100	Hydro	SSE Group	North Scotland	Scotland
3	Errochty	75	Hydro	SSE Group	North Scotland	Scotland
4	Fasnakyle	69	Hydro	SSE Group	North Scotland	Scotland
5	Clunie	61.2	Hydro	SSE Group	North Scotland	Scotland
6	Lochay	46	Hydro	SSE Group	North Scotland	Scotland
7	Rannoch	45	Hydro	SSE Group	North Scotland	Scotland
8	Clachan	40	Hydro	SSE Group	North Scotland	Scotland
9	Tummel	40	Hydro	SSE Group	South Scotland	Scotland
10	Tummel Bridge Power Station - Hydro Plant	40	Large Hydro	Scottish & Southern Energy Scottish Hydro Electric	North Scotland	Scotland
11	Deanie	38	Hydro	SSE Group	North Scotland	Scotland
12	Glenmoriston	37	Hydro	SSE Group	North Scotland	Scotland
13	Great Glen Scheme	36	Large Hydro	Scottish and Southern Energy (SSE)	North Scotland	Scotland
14	Luichart	34	Hydro	SSE Group	North Scotland	Scotland
15	Tongland	33	Hydro	Part of Drax Group	South Scotland	Scotland
16	Maentwrog	30	Hydro	Nuclear Decommissioning Authority	North Wales & Merseyside	Wales
17	Inverawe	25	Hydro	SSE Group	North Scotland	Scotland
18	Glenlee	24	Hydro	Part of Drax Group	South Scotland	Scotland
19	Kendoon	24	Hydro	Part of Drax Group	South Scotland	Scotland
20	Rheidol Hydro Scheme Gen 2	20.5	Hydro	Statkraft	North Wales & Merseyside	Wales
21	Rheidol Hydro Scheme Gen 3	20.5	Hydro	Statkraft	North Wales & Merseyside	Wales
22	Aigas Power Station - A,E	20	Hydro	SSE Group	North Scotland	Scotland
23	Invergarry Power Station - A,E	20	Hydro	SSE Group	North Scotland	Scotland
24	Kilmorack Power Station -A,E	20	Hydro	SSE Group	North Scotland	Scotland
25	Kinlochleven Hydro Power Station	19.5	Large Hydro	Hydro Plan (on behalf of Alcan)	North Scotland	Scotland
26	Grudie Bridge Power Station - A, G	18.7	Hydro	SSE Group	North Scotland	Scotland
27	Mossford Power Station - A,G	18.7	Hydro	SSE Group	North Scotland	Scotland
28	Shin Power Station-A,G	18.6	Hydro	SSE Group	North Scotland	Scotland
29	Quoich Power Station - A, E, G	18.1	Hydro	SSE Group	North Scotland	Scotland
30	Orrin Power Station- A	18	Hydro	SSE Group	North Scotland	Scotland
31	Culligran Power Station Unit 2 - A	17.1	Hydro	SSE Group	North Scotland	Scotland
32	High Head	17	Hydro	RWE Npower	North Wales & Merseyside	Wales
33	St Fillans Power Station - A, G	16.8	Hydro	SSE Group	North Scotland	Scotland
34	Ceannacroc Power Station - A, E	16.5	Hydro	SSE Group	North Scotland	Scotland
35	Finlarig Power Station - A,G	16.5	Hydro	SSE Group	North Scotland	Scotland
36	Livishie Power Station - A	15	Hydro	SSE Group	North Scotland	Scotland
37	Low Head	15	Hydro	RWE Npower	North Wales & Merseyside	Wales
38	Nant Power Station - A,E	15	Hydro	SSE Group	North Scotland	Scotland
39	Pitlochry Power Station - A	15	Hydro	SSE Group	North Scotland	Scotland
40	Torr Achilty Power Station - A,E	15	Hydro	SSE Group	North Scotland	Scotland
41	Earlstoun	14	Hydro	Part of Drax Group	South Scotland	Scotland
42	Rheidol Hydro Scheme Gen 1	13.5	Hydro	Statkraft	North Wales & Merseyside	Wales
43	Carsfad	12	Hydro	Part of Drax Group	South Scotland	Scotland
44	Bonnington	11	Hydro	Part of Drax Group	South Scotland	Scotland
45	Cashlie Power Station - A,C	11	Hydro	SSE Group	North Scotland	Scotland
46	Cassley Power Station - A,C,E	10	Hydro	SSE Group	North Scotland	Scotland
47	Court Farm Business Park, Road To Court Farm - Hydroelectric System	10	Large Hydro	Court Farm Business Park	South England	England
48	Cwm Dyli	9.9	Hydro	RWE Npower	North Wales & Merseyside	Wales
49	Cwm Dyli	9.9	Large Hydro	RWE	North Wales & Merseyside	Wales
50	Striven Power Station - A	8	Hydro	SSE Group	North Scotland	Scotland

Nameplate capacity is the maximum rated output, not current generation - stations tagged LIVE have a real-time output feed on their page.

The ranking

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