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Randenigala Dam information


Randenigala Dam
රන්දෙනිගල වේල්ල
The Randenigala Dam as seen from the southern bank, with the power station in the background.
The Randenigala Dam as seen from the southern bank, with the power station in the background.
CountrySri Lanka
LocationRantembe, Central Province
Coordinates07°12′00″N 80°55′30″E / 7.20000°N 80.92500°E / 7.20000; 80.92500
PurposePower
StatusOperational
Construction beganNovember 1982 (1982-11)
Opening date1986 (1986)
Construction costRs. 4.898 billion (1986)
Owner(s)Mahaweli Authority
Dam and spillways
Type of damEmbankment dam
ImpoundsMahaweli River
Height (foundation)94 m (308 ft)
Length485 m (1,591 ft)
Elevation at crest239 m (784 ft)
Width (crest)10 m (33 ft)
Width (base)303 m (994 ft)
Spillways3
Spillway typeTainter gate, chute
Spillway capacity8,100 m3/s (290,000 cu ft/s)
Reservoir
CreatesRandenigala Reservoir
Total capacity861,000,000 m3 (3.04×1010 cu ft)
Active capacity558,000,000 m3 (1.97×1010 cu ft)
Catchment area2,330 km2 (900 sq mi)
Surface area1,350 ha (13.5 km2)
Operator(s)CEB
Turbines2 × 63 MW
Installed capacity126 MW
Annual generation428 GWh
http://www.mahawelicomplex.lk/randdam.htm

The Randenigala Dam (Sinhala: රන්දෙනිගල වේල්ල) is a large hydroelectric embankment dam at Rantembe, in the Central Province of Sri Lanka.[1] Construction of the dam began in November 1982, and was completed in approximately 4 years. The dam and power station was ceremonially opened by then President J. R. Jayawardene in 1986.[2]

Construction of the dam cost approximately Rs. 4.898 billion (1986), of which 24.6% (Rs. 1.207 billion) was funded by the local government, and the majority of the remainder by Germany.[2]

  1. ^ "Randenigala Dam and Reservoir". Mahaweli Authority. Retrieved 12 January 2014.
  2. ^ a b "Sri Lanka's biggest river basin development project". The Sunday Times. 10 October 2010. Retrieved 12 January 2014.

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