Kurobe Dam
Dam in Toyama Prefecture / From Wikipedia, the free encyclopedia
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The Kurobe Dam (黒部ダム) or Kuroyon Dam (黒四ダム), is a 186 m (610 ft) high variable-radius arch dam on the Kurobe River in Toyama Prefecture, Japan. The tallest dam in Japan,[1] it supports the 335 MW Kurobe No. 4 Hydropower Plant and is owned by Kansai Electric Power Company. It was constructed between 1956 and 1963 at a cost of 51.3 billion yen. The project was a difficult engineering feat for the rapidly growing post–World War II Japan, and claimed the lives of 171 people.[2]
Dam in Toyama Prefecture
Kurobe dam | |
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![]() Orifice floodgates open | |
Official name | 黒部ダム |
Location | Toyama Prefecture |
Coordinates | 36°33′59″N 137°39′41″E |
Purpose | Power, water supply |
Status | Operational |
Construction began | 1956; 67 years ago (1956) |
Opening date | 1963; 60 years ago (1963) |
Construction cost | ¥51.3 billion $142.5 million (1963) |
Operator(s) | Kansai Electric Power Company |
Dam and spillways | |
Type of dam | Arch, variable-radius (dome) |
Impounds | Kurobe River |
Height | 186 m (610 ft) |
Length | 492 m (1,614 ft) |
Width (crest) | 8.1 m (27 ft) |
Width (base) | 39.7 m (130 ft) |
Dam volume | 1,582,845 m3 (2,070,283 cu yd) |
Spillway type | Service, uncontrolled overflow |
Spillway capacity | 906 m3/s (32,000 cu ft/s) |
Reservoir | |
Creates | Kurobe Lake |
Total capacity | 199,285,175 m3 (161,563.121 acre⋅ft) |
Catchment area | 188.5 km2 (72.8 sq mi) |
Surface area | 3.49 km2 (1.35 sq mi) |
Power Station | |
Operator(s) | Kansai Electric Power Company (KEPCO) |
Commission date | 1961–1973 |
Type | Conventional |
Turbines | 4 x Pelton-type |
Installed capacity | 335 MW |
Annual generation | 1 billion kWh |
Website http://www.kurobe-dam.com/ |