The Guanyinyan Dam is a gravity dam on the

Jinsha River The Jinsha River (, Tibetan: Dri Chu, འབྲི་ཆུ) is the Chinese name for the upper stretches of the Yangtze River. It flows through the provinces of Qinghai, Sichuan, and Yunnan in western China. The river passes through Tiger L ...

southwest of

Panzhihua Panzhihua (), formerly Dukou (), is a prefecture-level city located in the far south of Sichuan province, People's Republic of China, at the confluence of the Jinsha and Yalong Rivers. It has an administrative area of , and a population at the 2 ...

on the border of

Yunnan Yunnan , () is a landlocked province in the southwest of the People's Republic of China. The province spans approximately and has a population of 48.3 million (as of 2018). The capital of the province is Kunming. The province borders the C ...

and

Sichuan Province Sichuan (; zh, c=, labels=no, ; zh, p=Sìchuān; alternatively romanized as Szechuan or Szechwan; formerly also referred to as "West China" or "Western China" by Protestant missions) is a province in Southwest China occupying most of the ...

s 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 fourth on 14 December 2015. The entire power station should be operational by 2016. When complete, the dam will support a 3,000 MW power station consisting of five 600 MW Francis turbine generators.

Design

The Guanyinyan Dam will is a tall and long gravity dam. Of the dam's length, is roller-compacted concrete and is rock-fill embankment with this portion having a maximum height of . The crest elevation of the dam will be above sea level and contain the power plant at the toe of its body. A

spillway A spillway is a structure used to provide the controlled release of water downstream from a dam or levee, typically into the riverbed of the dammed river itself. In the United Kingdom, they may be known as overflow channels. Spillways ensure th ...

and two discharge openings are also included in the design.

References

{{Yangtze dams , dam=Guanyinyan Dam, downriver= Wudongde Dam, upriver=

Ludila Dam The Ludila Dam(鲁地拉水电站 in Chinese) is a gravity dam on the Jinsha River near Lijiang in Yunnan province, China. The primary purpose of the dam is hydroelectric power generation and it will support a 2,160 MW power station. Constructi ...

Hydroelectric power stations in Yunnan Hydroelectric power stations in Sichuan Dams in China Dams on the Jinsha River Roller-compacted concrete dams Dams completed in 2014 2014 establishments in China Buildings and structures in Lijiang

Design

See also

References