Mingtan Dam

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Mingtan Dam
Taiwan Power Ccopany Mingtan Power Station.JPG
Mingtan Dam is located in Taiwan
Mingtan Dam
Location of Mingtan Dam in Taiwan
Official name 明潭壩
Country Republic of China
Location Shuili, Nantou County
Coordinates 23°50′11″N 120°52′04″E / 23.83639°N 120.86778°E / 23.83639; 120.86778Coordinates: 23°50′11″N 120°52′04″E / 23.83639°N 120.86778°E / 23.83639; 120.86778
Construction began 1987
Opening date 1995
Dam and spillways
Type of dam Concrete gravity
Impounds Shuili River
Height 61.5 m (202 ft)
Length 314 m (1,030 ft)
Spillway capacity 2,550 m3/s (90,000 cu ft/s)
Creates Mingtan Reservoir
Total capacity 14,000,000 m3 (11,000 acre·ft)
Catchment area 590.3 km2 (227.9 sq mi)
Power Station
Turbines 6 x 267 MW (358,000 hp) Francis pump-turbines [1]
Installed capacity 1,602 MW (2,148,000 hp)

The Mingtan Dam (Chinese: 明潭壩; pinyin: Míngtán Bà) is a dam that spans the Shuili River about 4 km (2.5 mi) downstream from the outlet of Sun Moon Lake in central Taiwan with a height of about 61.5 m (202 ft). It forms Mingtan Reservoir which is the lower reservoir for the Mingtan Pumped Storage Hydro Power Plant.[2]


To meet the demand of the ever-increasing peak load in Taiwan and to fully utilize off-peak power, the Taiwan Power Company (Taipower) had entrusted European consultants to undertake feasibility study since 1973. The study showed the feasibility of constructing Mingtan Dam to meet such peak load demand, to avoid expanding current fossil-fuel power plants in Taiwan and to have lower operational cost. The dam was completed in 1994 and opened a year later.[3] During the 7.2-magnitude 921 earthquake in 1999, Mingtan was one of eight dams that sustained damage, but did not collapse.[4]

Mingtan Pumped Storage Hydro Power Plant[edit]

The Mingtan Pumped Storage Hydro Power Plant is the largest hydroelectric power plant in Taiwan.[2] It uses Sun Moon Lake as the upper reservoir and Shuili River reservoir as lower reservoir. During high power demand, water used for power generation from Sun Moon Lake, as well as Shuili River, fills Mingtan Reservoir. During low demand, the water is pumped back upstream to the lake. This system can generate up to 1,602 megawatts (2,148,000 hp) at peak production.[5]


The dam is accessible within walking distance North from Checheng Station of the Taiwan Railway Administration Jiji Line.

Mingtan Reservoir

See also[edit]


  1. ^ "Pumped-Storage Hydroelectric Plants - Asia-Pacific". IndustCards. Retrieved 21 January 2012. 
  2. ^ a b Foster, Peter; Campbell, Grant (March 2000). "Nzsold Reconnaissance Report-Taiwan Dams" (PDF). Retrieved 2009-11-28. 
  3. ^ http://www.ieahydro.org/reports/Annex_VIII_CaseStudy0506_Mingtan_Taiwan.pdf
  4. ^ Charlwood, R.G.; Little, T.E.; Lou, J.K. (April 2000). "A review of the performance of two large substations and eight large dams during the Chi Chi Taiwan earthquake" (PDF). Institute for Catastrophic Loss Reduction. Retrieved 2009-11-28. 
  5. ^ "Minghu and Mingtan Reservoirs" (PDF). Taiwan Council for Public Affairs. Retrieved 2009-11-28.