Komaki Dam

The Komaki Dam is an arch-gravity dam on the Shō River about 2.5 km (1.6 mi) southeast of Shogawa in Toyama Prefecture, Japan. It was constructed between 1925 and 1930. The dam has an associated 90.2 MW hydroelectric power station which was commissioned in 1930. Of the nine dams on the Shō River it is the second-furthest downstream.[2]

Komaki Dam
Downstream face
Komaki Dam is located in Japan
Komaki Dam
Location of Komaki Dam in Japan
CountryJapan
LocationShogawa, Toyama Prefecture
Coordinates36°33′24″N 137°0′30″E
PurposePower
StatusOperational
Construction began1925
Opening date1930
Dam and spillways
Type of damArch gravity
ImpoundsShō River
Height79.2 m (260 ft)
Length300.8 m (987 ft)
Dam volume289,000 m3 (378,000 cu yd)
Spillway typeCrest overflow, 17 tainter gates
Reservoir
Total capacity37,957,000 m3 (30,772 acre⋅ft)
Active capacity18,858,000 m3 (15,288 acre⋅ft)
Catchment area1,100 km2 (420 sq mi)
Surface area145 ha (360 acres)
Power Station
Operator(s)Kansai Electric Power Co., Inc.
Commission date5 November 1930
Hydraulic head68.46 m (224.6 ft)
Turbines4 x 22.55 MW Francis-type
Installed capacity90.2 MW[1]

See also

References

  1. "Kansai Electric Power Komaki power plant" (in Japanese). Suiryoku. Retrieved 15 July 2013.
  2. "Komaki dam" (in Japanese). Japan Dam Handbook. Retrieved 15 July 2013.
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