| name | image | status | type | Area (m²) | date Commissioned | date Opened | date Start construction | Website | Height (m) | Country | continent | Maximum discharge (m³/day) | lake | Installed capacity (w) | latitude (°) | Length (m) | longitude (°) | Turbines | volume (m³) | administrative división | city | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ozegawa Dam |  | 1964 | 1958 | website | 49 | Japan | Asia | 34.2999992371 | 158 | 132.1166687012 | Yamaguchi Prefecture | Iwakuni | Map | |||||||||
| Shimajigawa Dam |  | Operational | Gravity | 1980 | 1978 | website | 89 | Japan | Asia | 34.1666679382 | 240 | 131.7666625977 | 317,000 | Yamaguchi Prefecture | Shūnan | Map | ||||||
| Sugano Dam |  | website | Japan | Asia | 34.1333351135 | 131.8999938965 | Yamaguchi Prefecture | Shūnan | Map | |||||||||||||
| Yasaka Dam |  | 1991 | 1971 | website | 120 | Japan | Asia | 34.2333335876 | 540 | 132.1499938965 | Yamaguchi Prefecture | Iwakuni | Map | |||||||||
| Kōdō Dam |  | website | Japan | Asia | 34.1333351135 | 131.8999938965 | Yamaguchi Prefecture | Shūnan | Map |