Nathpa Jhakri Dam

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]

Nathpa Jhakri Dam
Nathpa Jhakri Dam is located in India
Nathpa Jhakri Dam
Location of Nathpa Jhakri Dam in India
Nathpa Jhakri Dam is located in Himachal Pradesh
Nathpa Jhakri Dam
Nathpa Jhakri Dam (Himachal Pradesh)
LocationHimachal Pradesh
India
Coordinates31°33′50″N 77°58′49″E
Construction began1993
Opening dateMay 2004
Construction cost₹8187 crores[1]
Owner(s)SJVN
Dam and spillways
Type of damConcrete gravity
ImpoundsSatluj River
Height67.5 m (221 ft)
Length185 m (607 ft)
Dam volume200,000 m3 (261,590 cu yd)
Spillway capacity5,660 m3/s (199,881 cu ft/s)
Reservoir
Total capacity3,430,000 m3 (2,781 acre⋅ft)
Active capacity3,030,000 m3 (2,456 acre⋅ft)
Surface area234.5 m (769 ft)[2]
Nathpa Jhakri Hydro Power Station
Coordinates31°29′52.5″N 77°42′33″E
Operator(s)SJVN
Commission dateMay 2004
Hydraulic head428 m (1,404 ft)
Turbines6 × 250 MW Francis-type
Installed capacity1,500 MW
Website
https://sjvn.nic.in/businessprojectdetails/28/5/7

Scheduling and generation despatch

The scheduling and despatch of the Nathpa Jhakri Hydro Power plant is done by Northern Regional Load Despatch Centre which is the apex body to ensure the integrated operation of the power system grid in the Northern region and comes under Power System Operation Corporation Limited (POSOCO).

Sponsors and investors

See also

References
  1. "नाथपा झाकरी एचपीएस | SJVN Limited".
  2. "India: National Register of Large Dams 2009" (PDF). Central Water Commission. Archived from the original (PDF) on 19 February 2018. Retrieved 10 July 2011.
  3. "Nathpa - Jhakri Hydroelectric Project, Himachal Pradesh, India" (PDF). Geological Survey of India. Archived from the original (PDF) on 2 October 2011. Retrieved 7 August 2011.
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