| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Makio Dam |  | website | Japan | Asia | 35.8166656494 | 137.6000061035 | Nagano Prefecture | Ōtaki, Nagano | Map | |||||||||||||
| Otakigawa Dam |  | website | Japan | Asia | 35.7999992371 | 137.4499969482 | Nagano Prefecture | Ōtaki, Nagano | Map |