The Oshirakawa Dam is a rock-fill dam on the Oshirakawa River (a tributary of the Shō River) about 16 km (9.9 mi) southwest of Shirakawa in Gifu Prefecture, Japan. It was constructed between 1961 and 1963. The dam has an associated 66.3 MW hydroelectric power station located about 7.1 km (4.4 mi) downstream which was commissioned in 1963.[1]
| Oshirakawa Dam | |
|---|---|
 Overhead of the dam and reservoir in 1977 | |
  Location of Oshirakawa Dam in Japan | |
| Country | Japan |
| Location | Shirakawa, Gifu Prefecture |
| Coordinates | 36°08′26.73″N 136°49′19.24″E / 36.1407583°N 136.8220111°E |
| Purpose | Power |
| Status | Operational |
| Construction began | 1961 |
| Opening date | 1963 |
| Dam and spillways | |
| Type of dam | Embankment, rock-fill |
| Impounds | Oshirakawa River |
| Height | 95 m (312 ft) |
| Length | 390 m (1,280 ft) |
| Elevation at crest | 1,235 m (4,052 ft) |
| Dam volume | 1,700,000 m3 (2,200,000 cu yd) |
| Spillway type | Crest overflow, 1 tainter gate |
| Reservoir | |
| Total capacity | 14,200,000 m3 (11,500 acre⋅ft) |
| Active capacity | 11×106 m3 (8,900 acre⋅ft) |
| Catchment area | 44.7 km2 (17.3 sq mi) |
| Surface area | .665 km2 (0.257 sq mi) |
| Normal elevation | 1,230 m (4,040 ft) |
| Power Station | |
| Operator(s) | Kansai Electric Power Co., Inc. |
| Commission date | 19 December 1963 |
| Hydraulic head | 476.9 m (1,565 ft) |
| Turbines | 1 x 66.3 MW Francis-type |
| Installed capacity | 66.3 MW |
See also
edit
- Hatogaya Dam – downstream on the Shō River
References
edit- ^ "Kansai Electric Power Miboro 2 power plant" (in Japanese). Suiryoku. Archived from the original on 29 June 2019. Retrieved 28 July 2013.
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