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Guanyinyan Dam

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Guanyinyan Dam

Guanyinyan Dam
Guanyinyan Dam is located in China
Guanyinyan Dam
Location of Guanyinyan Dam
Status Complete, generators commissioning
Construction began 2008
Opening date 2014
Owner(s) Datang Guanyinyan Hydropower Development Co.
Dam and spillways
Type of dam Gravity
Impounds Jinsha River
Height 159 m (522 ft)
Length 1,158 m (3,799 ft)
Spillways 3
Spillway type Service, controlled chute
Creates Guanyinyan Reservoir
Total capacity 2,072,000,000 m3 (1,679,798 acre·ft)
Power station
Commission date 2014-2016 (est.)
Turbines 5 x 600 MW Francis turbines
Installed capacity 3,000 MW

The Guanyinyan Dam is a gravity dam on the Jinsha River 30 km (19 mi) southwest of Panzhihua on the border of Yunnan and Sichuan Provinces in China. The purpose of the dam is hydroelectric power generation and flood control. Construction on the dam started in 2008 and the river was diverted by 2010. The first generator was operational on 20 December 2014 and the entire power station should be operational by 2016.[1][2] When complete, the dam will support a 3,000 MW power station consisting of five 600 MW Francis turbine generators.[3]


The Guanyinyan Dam will is a 159 m (522 ft) tall and 1,158 m (3,799 ft) long gravity dam. Of the dam's length, 838 m (2,749 ft) is roller-compacted concrete and 320 m (1,050 ft) is rock-fill embankment with this portion having a maximum height of 71 m (233 ft). The crest elevation of the dam will be 1,141 m (3,743 ft) above sea level and contain the power plant at the toe of its body. A spillway and two discharge openings are also included in the design.[4]

See also


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