Nuozhadu Dam

Dam in Puer, Yunnan Province
22°39′22″N 100°25′06″E / 22.65611°N 100.41833°E / 22.65611; 100.41833StatusOperationalConstruction began2004Opening date2012Dam and spillwaysType of damEmbankment, central core, rock-fillImpoundsLancang (Mekong) RiverHeight261.5 m (858 ft)Length608 m (1,995 ft)Width (crest)18 m (59 ft)Spillway typeService, controlled side channel chuteSpillway capacity31,318 m3/s (1,106,000 cu ft/s)ReservoirCreatesNuozhadu ReservoirTotal capacity21,749,000,000 m3 (17,632,000 acre⋅ft)Catchment area140,000 km2 (54,000 sq mi)Surface area320 km2 (120 sq mi)Power StationCommission date2012-2014Hydraulic head187 m (614 ft)Turbines9 x 650 MW Francis-typeInstalled capacity5,850 MWAnnual generation23,9 TWh[1]

Nuozhadu Dam (Chinese: 糯扎渡大坝; pinyin: Nuòzhādù Dàbà) is an embankment dam on the Lancang (Mekong) River in Yunnan Province in southwest China. The dam is 261.5 m (858 ft) tall, and creates a reservoir with a normal capacity of 21,749,000,000 m3 (17,632,000 acre⋅ft) at a level of 812 m (2,664 ft) asl. The purpose of the dam is hydroelectric power production along with flood control and navigation. The dam supports a power station with nine generators, each with generating capacity of 650 MW. The total generating capacity of the power station is 5,850 MW.[2] Construction on the project began in 2004; the dam's first generator went online 6 September 2012 and the last generator was commissioned in June 2014.[3][4] The construction and management of the project was implemented by Huaneng Power International Ltd., which has a concession to build, own and operate hydroelectric dams on China's stretch of the Mekong River.

See also

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References

  1. ^ "Largest hydropower station on Mekong River starts operation - Xinhua | English.news.cn". Archived from the original on 2014-08-26. Retrieved 2014-08-27.
  2. ^ "Nuozhadu Hydropower Project" (PDF). Chinese National Committee on Large Dams. Retrieved 6 January 2011.
  3. ^ "Yunnan's largest hydroelectric dam goes online". Go Kunming. Archived from the original on 6 January 2019. Retrieved 15 May 2013.
  4. ^ Harris, Michael. "Last turbine unit in operation at Chian's 5,850-MW Huaneng Nuozhadu hydropower plant". Hydro World. Retrieved 19 November 2014.
  • Zhang Zhonglan and Yuan Youren: Slope stability study and section optimization of Nuozhadu’s earth core rockfill dam, New Developments in Dam Engineering. Proceedings of the 4th International Conference on Dam Engineering, 18-20 October 2004, Nanjing, China[permanent dead link]
  • Nuozhadu Hydropower Project - Excavation of the Underground Powerhouse Complex
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