Ranganadi Dam
Ranganadi Dam is located in India
Ranganadi Dam
Location of Ranganadi Dam in India
LocationArunachal Pradesh, India
Coordinates27°20′34″N 93°49′0″E / 27.34278°N 93.81667°E / 27.34278; 93.81667
Construction began1988
Opening date2001
Owner(s)North Eastern Electric Power Corporation (NEEPCO)
Dam and spillways
Type of damConcrete gravity, diversion
ImpoundsRanganadi River
Height68 m (223 ft)
Length339 m (1,112 ft)
Spillway typeService, gate-controlled
Reservoir
CreatesRanganadi Reservoir
Dikrong Power House
Coordinates27°15′27″N 93°47′32″E / 27.25750°N 93.79222°E / 27.25750; 93.79222
Operator(s)North Eastern Electric Power Corporation (NEEPCO)
Commission dateJanuary 2002
TypeRun-of-the-river
Turbines3 x 135 MW Francis-type
Installed capacity405 MW

The Ranganadi Dam is a concrete-gravity diversion dam on the Ranganadi River (also known as Panyor River) in Arunachal Pradesh, India which serves a run-of-the-river scheme.

Power generation

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. Archived from the original on 24 January 2010. Retrieved 28 August 2010.
  3. ↑ "Ranganadi Hydro Electric Project Stage II". North Eastern Electric Power Corporation. Retrieved 28 August 2010.
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