Ranganadi Dam

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.

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
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
Operator(s)North Eastern Electric Power Corporation (NEEPCO)
Commission dateJanuary 2002
TypeRun-of-the-river
Turbines3 x 135 MW Francis-type
Installed capacity405 MW

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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