| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Saigawa Dam (Nagano Prefecture) |  | 1923 | website | Japan | Asia | 36.2999992371 | 268 | 137.9166717529 | Nagano Prefecture | Azumino, Nagano | Map |