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Okurodani Dam

Coordinates: 36°02′27.45″N 136°52′54.01″E / 36.0409583°N 136.8816694°E / 36.0409583; 136.8816694
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Okurodani Dam
Overhead of the dam and reservoir in 1977
Okurodani Dam is located in Japan
Okurodani Dam
Location of Okurodani Dam in Japan
CountryJapan
LocationShōkawa, Gifu Prefecture
Coordinates36°02′27.45″N 136°52′54.01″E / 36.0409583°N 136.8816694°E / 36.0409583; 136.8816694
PurposePower
StatusOperational
Construction began1969
Opening date1971
Dam and spillways
Type of damEmbankment, rock-fill
ImpoundsOshirakawa River
Height34 m (112 ft)
Length140 m (460 ft)
Elevation at crest971 m (3,186 ft)
Width (crest)8 m (26 ft)
Dam volume279,600 m3 (365,700 cu yd)
Spillway typeCrest overflow, 1 tainter gate
Reservoir
Total capacity765,000 m3 (620 acre⋅ft)
Active capacity220,000 m3 (180 acre⋅ft)
Catchment area64.6 km2 (24.9 sq mi)
Surface area87 m2 (0.021 acres)
Normal elevation967 m (3,173 ft)
Power Station
Operator(s)Kansai Electric Power Co., Inc.
Commission date4 November 1971
Hydraulic head210.8 m (692 ft)
Turbines1 x 21.2 MW Francis-type
Installed capacity21.2 MW

The Okurodani Dam is a rock-fill dam on the Oshirakawa River (a tributary of the Shō River) about 7 km (4.3 mi) west of Shōkawa in Gifu Prefecture, Japan. It was constructed between 1969 and 1971. The dam has an associated 21.2 MW hydroelectric power station located about 3.5 km (2.2 mi) downstream which was commissioned in 1971.[1]

See also

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References

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  1. ^ "Power Development Onoe Township power plant" (in Japanese). Suiryoku. Retrieved 28 July 2013.