| Asan Barrage | |
|---|---|
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| Country | India |
| Location | Dakpathar |
| Coordinates | |
| Opening date | 1967 |
| Dam and spillways | |
| Length | 287.5 m (943 ft) |
| Reservoir | |
| Surface area | 4 km2 (2 sq mi) |
| Power station | |
| Commission date | Kulhal: 1975 |
| Turbines | Kulhal: 3 x 10 MW Kaplan-type Khara: 3 x 24 MW Francis-type |
| Installed capacity | Kulhal: 30 MW Khara: 72 MW |
The Asan Barrage is a barrage in the Uttarakhand-Himachal Pradesh border region in Doon Valley, (Dehradun District), northern India, situated at the confluence of the Eastern Yamuna Canal and the Asan River and about 11 km (7 mi) from Dakpathar, and 28 km. southwest of Dehradun.
Directly behind the barrage on its eastern flank, water reenters the Eastern Yamuna Canal on the west side of the Yamuna River. At a distance of 4.5 km (3 mi) from the barrage on the canal, water reaches the 30 MW Kulhal Power Plant at . The power plant contains three 10 MW Kaplan turbine-generators and has a design hydraulic head of 18 m (59 ft).[1] Once discharged from the power station, the water is conducted by the canal 13 km (8 mi) to the 72 MW Khara Power Station at in Uttar Pradesh. The Khara Power Station contains three 24 MW Francis turbine-generators and a has a net head of 43 m (141 ft).[2]
The dam creates the Asan Reservoir, also called Dhalipur Lake. The lake is popular for bird watching and 53 species are known to make a habitat there, 19 species are migratory from Eurasia.[3]
The Asan River has been identified with the Asmanvati of the Rigveda.
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