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Hydro power plants in Japan

55 hydro power plants in Japan, totalling 27,439 MW of installed capacity — ranked by size, from open data.

#PlantRegionMW
1OkutataragiKyoto1,932
2OkuminoGifu1,500
3OkawachiHyogo1,280
4Shin TakasegawaNagano1,280
5OkuyoshinoWakayama1,206
6MatanogawaTottori1,200
7TamaharaGunma1,200
8Shin ToyoneShizuoka1,125
9ImaichiTochigi1,050
10OkukiyotsuNiigata1,000
11ShimogoFukushima1,000
12OmarugawaMiyazaki900
13ShiobaraTochigi900
14KazunogawaYamanashi800
15Okuyahagi DainiGifu780
16NumapparaTochigi675
17AzumiNagano623
18NabaraHiroshima620
19HongawaEhime615
20TenzanSaga Prefecture600
21OkutadamiNiigata560
22OhiraKumamoto500
23KannagawaNagano470
24KisenyamaKyoto466
25Daini NumazawaFukushima460
26TagokuraNiigata395
27IkeharaMie350
28SakumaShizuoka350
29Shin NariwagawaOkayama303
30Mazegawa DaiichiGifu288
31Tedorigawa DaiichiIshikawa250
32MidonoNagano245
33YagisawaNiigata240
34NaganoFukui220
35MiboroGifu215
36NiikappuHokkaido200
37TakamiHokkaido200
38OtoriNiigata182
39HitotsuseMiyazaki180
40ShinanogawaNiigata177
41JozankeiHokkaido120
42Hatanagi No.2Shizuoka87
43YokoyamaGifu70
44Mazegawa No.2Gifu66
45TadamiNiigata65
46IkawaShizuoka62
47Yahagi No.1Gifu61
48OshirakawaFukui59
49TakisatoHokkaido57
50UryuChiba51
51HoheikoHokkaido50
52OkuniikappuHokkaido44
53TokachiHokkaido40
54TomuraHokkaido40
55NokananHokkaido30

WRI Global Power Plant Database (CC BY 4.0).