| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nakagi Dam |  | 1959 | 1951 | website | 41 | Japan | Asia | 36.3166656494 | 138.7333374023 | Gunma Prefecture | Annaka, Gunma | Map | ||||||||||
| Sakamoto Dam |  | 1994 | 1985 | website | Japan | Asia | 36.3499984741 | 85 | 138.6999969482 | Gunma Prefecture | Annaka, Gunma | Map |