| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fukuzato Underground Dam |  | Operational | Embankment | 1998 | 1988 | website | 27 | Japan | Asia | 24.7333335876 | 125.3833312988 | Okinawa Prefecture | Miyakojima, Okinawa | Map |