Nathpa Jhakri Dam | |
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Location | Himachal Pradesh India |
Coordinates | 31°33′50″N 77°58′49″E / 31.56389°N 77.98028°E |
Construction began | 1993 |
Opening date | May 2004 |
Construction cost | ₹8187 crores[1] |
Owner(s) | SJVN |
Dam and spillways | |
Type of dam | Concrete gravity |
Impounds | Satluj River |
Height | 67.5 m (221 ft) |
Length | 185 m (607 ft) |
Dam volume | 200,000 m3 (261,590 cu yd) |
Spillway capacity | 5,660 m3/s (199,881 cu ft/s) |
Reservoir | |
Total capacity | 3,430,000 m3 (2,781 acre⋅ft) |
Active capacity | 3,030,000 m3 (2,456 acre⋅ft) |
Surface area | 234.5 m (769 ft)[2] |
Nathpa Jhakri Hydro Power Station | |
Coordinates | 31°29′52.5″N 77°42′33″E / 31.497917°N 77.70917°E |
Operator(s) | SJVN |
Commission date | May 2004 |
Hydraulic head | 428 m (1,404 ft) |
Turbines | 6 × 250 MW Francis-type |
Installed capacity | 1,500 MW |
Website sjvn |
The Nathpa Jhakri Dam is a concrete gravity dam on the Sutlej river in Himachal Pradesh, India. The primary purpose of the dam is hydroelectric power production and it supplies a 1,500 megawatts (2,000,000 hp) underground power station with water. Before reaching the power station, water is diverted through a 27.4 km (17 mi) headrace tunnel. Construction on the project began in 1993 and it was complete in 2004. The last two of the 250 megawatts (340,000 hp) Francis turbine-generators went online in March 2004. It is owned by SJVN.[3]