Oshirakawa Dam

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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
Oshirakawa Dam is located in Japan
Oshirakawa Dam
Location of Oshirakawa Dam in Japan
CountryJapan
LocationShirakawa, Gifu Prefecture
Coordinates36°08′26.73″N 136°49′19.24″E / 36.1407583°N 136.8220111°E / 36.1407583; 136.8220111
PurposePower
StatusOperational
Construction began1961
Opening date1963
Dam and spillways
Type of damEmbankment, rock-fill
ImpoundsOshirakawa River
Height95 m (312 ft)
Length390 m (1,280 ft)
Elevation at crest1,235 m (4,052 ft)
Dam volume1,700,000 m3 (2,200,000 cu yd)
Spillway typeCrest overflow, 1 tainter gate
Reservoir
Total capacity14,200,000 m3 (11,500 acre⋅ft)
Active capacity11×10^6 m3 (8,900 acre⋅ft)
Catchment area44.7 km2 (17.3 sq mi)
Surface area.665 km2 (0.257 sq mi)
Normal elevation1,230 m (4,040 ft)
Power Station
Operator(s)Kansai Electric Power Co., Inc.
Commission date19 December 1963
Hydraulic head476.9 m (1,565 ft)
Turbines1 x 66.3 MW Francis-type
Installed capacity66.3 MW

See also

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References

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  1. ^ "Kansai Electric Power Miboro 2 power plant" (in Japanese). Suiryoku. Archived from the original on 29 June 2019. Retrieved 28 July 2013.