Jiudianxia Dam

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Jiudianxia Dam
China edcp relief location map.jpg
Red pog.svg
Location of Jiudianxia Dam in China
CountryChina
Location Jonê County
Coordinates 34°55′26″N103°49′58″E / 34.92389°N 103.83278°E / 34.92389; 103.83278 Coordinates: 34°55′26″N103°49′58″E / 34.92389°N 103.83278°E / 34.92389; 103.83278
StatusOperational
Construction began2005
Opening date2008
Construction costUS$410 million
Dam and spillways
Type of dam Embankment, concrete-face rock-fill
Impounds Tao River
Height136.5 m (448 ft)
Elevation at crest2,206 m (7,238 ft)
Dam volume2,800,000 m3 (3,662,262 cu yd)
Reservoir
Total capacity943,000,000 m3 (764,503 acre⋅ft)
Normal elevation2,202 m (7,224 ft) [1]
Power Station
Commission date2008
Turbines3 x 100 MW Francis-type
Installed capacity300 MW
Annual generation 994 million kWh

The Jiudianxia Dam is a concrete-face rock-fill dam on the Tao River in Jonê County, Gansu Province, China. The dam was constructed to conserve water and produce hydroelectricity. [2] The 136.5 m (448 ft) tall dam withholds a reservoir of 943,000,000 m3 (764,503 acre⋅ft) and its power station has an installed capacity of 300 MW. Construction on the dam began in 2005 and it was complete in 2008. [3]

Tao River is a right tributary of China's Yellow River. It starts in Xiqing Mountains (西倾山) near the Gansu–Qinghai border, flows eastward across Gannan Tibetan Autonomous Prefecture, and then northward more or less along the border between Dingxi Prefecture-level City in the east and Gannan and Linxia Prefectures in the west. It flows into the Yellow River near Liujiaxia Town, just upstream of Liujiaxia Dam.

Jonê County County in Gansu, Peoples Republic of China

Jonê County is an administrative district in the Gannan Tibetan Autonomous Prefecture, Gansu Province, China. It is one of 58 counties of Gansu. It is part of the Gannan Prefecture. Its postal code is 747600. Its area is 4,954 km2 (1,913 sq mi), and its population is over 100,000 people. It is administered from Jonê Town.

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References

  1. "Gansu Jiudianxia Hydro civil works tenders" (in Chinese). Water China. Retrieved 3 September 2011.[ permanent dead link ]
  2. "Jiudianxia Water Conservancy Project Starts Generating Power". AsiaInfo Services. Retrieved 3 September 2011.[ dead link ]
  3. "China's highest CFRDs". Chinese National Committee on Large Dams. Retrieved 3 September 2011.