Assan River

Asan Barrage
Location of Asan Barrage in India Uttarakhand
Country	India
Location	Dakpathar
Coordinates	30°26′09″N 77°39′56″E / 30.43583°N 77.66556°E / 30.43583; 77.66556Coordinates: 30°26′09″N 77°39′56″E / 30.43583°N 77.66556°E / 30.43583; 77.66556
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

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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. northwest 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 30°25′43″N 77°37′46″E / 30.42861°N 77.62944°E / 30.42861; 77.62944 (Kulhal Power Plant). The power plant contains three 10 MW Kaplan turbine-generators and has a design hydraulic head of 18 m (59 ft). 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 30°21′02″N 77°36′06″E / 30.35056°N 77.60167°E / 30.35056; 77.60167 (Khara Power Plant) 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).