Ranganadi Dam

Ranganadi Dam
Location of Ranganadi Dam
Location Arunachal Pradesh, India
Coordinates 27°20′34″N 93°49′0″E / 27.34278°N 93.81667°ECoordinates: 27°20′34″N 93°49′0″E / 27.34278°N 93.81667°E
Construction began 1988
Opening date 2001
Owner(s) North Eastern Electric Power Corporation (NEEPCO)
Dam and spillways
Type of dam Concrete gravity, diversion
Impounds Ranganadi River
Height 68 m (223 ft)
Length 339 m (1,112 ft)
Spillway type Service, gate-controlled
Reservoir
Creates Ranganadi Reservoir
Power station
Name Dikrong Power House
Coordinates 27°15′27″N 93°47′32″E / 27.25750°N 93.79222°E
Commission date January 2002
Type Run-of-the-river
Turbines 3 x 135 MW Francis-type
Installed capacity 405 MW


The Ranganadi Dam is a concrete-gravity diversion dam on the Ranganadi River in Arunachal Pradesh, India which serves a run-of-the-river scheme. The dam is intended for hydroelectric purposes and is part of Stage I of the Ranganadi Hydro Electric Project and supports the 405-megawatt (543,000 hp) Dikrong Power House. The 68 m (223 ft) tall dam diverts water south into a 10.1 km (6.3 mi) headrace tunnel which is then transferred into a 1,062 m (3,484 ft) penstock before reaching the three 135 megawatts (181,000 hp) turbines.[1] Since commissioning, the power house has been generating much less than its capacity because of drought.[2]

Stage II of the project is designed to provide water storage for Stage I and includes a 134 m (440 ft) rock-fill embankment dam with a 523,000,000 m3 (1.85×1010 cu ft) storage capacity. This dam will support an additional 180 megawatts (240,000 hp) power station.[3]

See also

References

  1. ↑ "Ranganadi Hydro Electric Project Stage I". North Eastern Electric Power Corporation. Retrieved 28 August 2010.
  2. ↑ "Reservoir of dams". India Environmental Portal. May 2008. Retrieved 28 August 2010.
  3. ↑ "Ranganadi Hydro Electric Project Stage II". North Eastern Electric Power Corporation. Retrieved 28 August 2010.