The Ma'an Dam (traditional Chinese: 馬鞍壩; simplified Chinese: 马鞍坝; pinyin: Mǎ'ān Bà, 'Saddle Dam') is a concrete gravity barrage dam on the Dajia River in Heping District, Taichung, Taiwan. The dam is the final stage of a cascade of hydroelectric power plants along the Dajia River and is located below the Tienlun Dam.

Ma'an Dam
馬鞍壩
Ma'an Dam is located in Taichung
Ma'an Dam
Location of Ma'an Dam
馬鞍壩 in Taichung
LocationHeping, Taichung, Taiwan
Coordinates24°11′03″N 120°54′50″E / 24.18417°N 120.91389°E / 24.18417; 120.91389
Purposehydroelectricity
StatusOperational
Construction began1992; 32 years ago (1992)
Opening date1998; 26 years ago (1998)
Dam and spillways
Type of damconcrete gravity barrage dam
ImpoundsDajia River
Height16.3 m (53 ft)
Length229.5 m (753 ft)
Spillways9
Spillway capacity6,380 m3/s (225,000 cu ft/s)
Reservoir
Total capacity965,000 m3 (782 acre⋅ft)
Power Station
Turbines2 X 66.735 MW
Installed capacity133.47 MW
Annual generation410.2 GWh

Built from 1992 to 1998, the dam is 16.3 m (53 ft) high and 229.5 m (753 ft) long, storing up to 965,000 m3 (782 acre⋅ft) in its reservoir. The service spillway of the dam consists of nine gates with a combined capacity of 6,380 m3/s (225,000 cu ft/s).[1]

The dam supplies water through a tunnel to a 133.47 MW power station near Xinshe with two 66.735 MW turbines, generating 410.2 million kilowatt hours per year.[2]

See also edit

References edit

  1. ^ Reservoirs and Weirs in Taiwan (in Chinese). Taiwan Water Resources Agency, Ministry of Public Affairs. p. 328.
  2. ^ 大甲溪 (PDF) (in Chinese). Taiwan Water Resources Agency. 2009-01-22. Archived from the original (PDF) on 2011-08-15. Retrieved 2013-06-25.