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| Tokuyama Dam | |
|---|---|
 Tokuyama Dam | |
  Location of Tokuyama Dam in Japan | |
| Location | Ibigawa, Ibi District, Gifu Prefecture, Japan |
| Coordinates | 35°39′55″N 136°30′08″E / 35.66528°N 136.50222°E |
| Construction began | 2000 |
| Opening date | 2008 |
| Construction cost | $360 million USD |
| Owner(s) | Japan Water Agency |
| Dam and spillways | |
| Type of dam | Embankment, rock-fill |
| Impounds | Ibi River |
| Height | 161 m (528 ft) |
| Length | 427.1 m (1,401 ft) |
| Dam volume | 13,700,000 m3 (480,000,000 cu ft) |
| Spillway type | Service, gate-controlled |
| Reservoir | |
| Creates | Tokuyama Reservoir |
| Total capacity | 660,000,000 m3 (540,000 acre⋅ft) |
| Catchment area | 254.5 km2 (98.3 sq mi) |
| Surface area | 13 km2 (5.0 sq mi) |
| Coordinates | 35°38′3.18″N 136°28′35.10″E / 35.6342167°N 136.4764167°E |
| Operator(s) | Chubu Electric |
| Commission date | 2014-2015 |
| Type | Conventional |
| Turbines | 1 x 23 MW, 1 x 130 MW Francis-type |
| Installed capacity | 153 MW |
The Tokuyama Dam (徳山ダム, Tokuyama damu) is an embankment dam near Ibigawa, Ibi District, Gifu Prefecture in Japan. The dam was completed in 2008 and will support a 153 MW hydroelectric power station that is expected to be fully operational in 2015. Unit 1 at 23 MW was commissioned in May 2014. The dam was originally intended to withhold the upper reservoir of a 400 MW pumped-storage power station until a design change in 2004. The dam is also intended for flood control and water supply. It is the largest dam by structural volume in Japan and withholds the country's largest reservoir by volume as well.[1]
- ^ "The Tokuyama Dam" (PDF). Japan Water Agency. Archived from the original (PDF) on 1 March 2012. Retrieved 3 October 2010.