Ma'an Dam
| Ma'an Dam 馬鞍壩 |
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|---|---|
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 Location of Ma'an Dam
馬鞍壩 in Taiwan |
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| Country | Taiwan |
| Location | Heping, Taichung |
| Coordinates | 24°11′03″N 120°54′50″E / 24.18417°N 120.91389°ECoordinates: 24°11′03″N 120°54′50″E / 24.18417°N 120.91389°E |
| Purpose | hydroelectricity |
| Status | Operational |
| Construction began | 1992 |
| Opening date | 1998 |
| Dam and spillways | |
| Type of dam | concrete gravity barrage dam |
| Impounds | Dajia River |
| Height | 16.3 m (53 ft) |
| Length | 229.5 m (753 ft) |
| Spillways | 9 |
| Spillway capacity | 6,380 m3/s (225,000 cu ft/s) |
| Reservoir | |
| Total capacity | 965,000 m3 (782 acre·ft) |
| Power station | |
| Turbines | 2 X 66.735 MW |
| Installed capacity | 133.47 MW |
| Annual generation | 410.2 GWh |
The Ma'an Dam (Chinese: 馬鞍壩; 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 in a cascade of hydroelectric power plants along the Dajia River and is located below the Tienlun Dam.
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).
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.
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