| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sonohara Dam |  | 1965 | 1958 | website | Japan | Asia | 36.6333351135 | 139.1666717529 | Gunma Prefecture | Numata, Gunma | Map | |||||||||||
| Tamahara Dam |  | Operational | Embankment | 1986 | 1981 | 1973 | website | 116 | Japan | Asia | 36.7666664124 | 139.0500030518 | 4 | Gunma Prefecture | Numata, Gunma | Map |