Udawalawe Dam

Dam in Udawalawe
06°26′02″N 80°51′15″E / 6.43389°N 80.85417°E / 6.43389; 80.85417PurposeIrrigation, PowerStatusOperationalDam and spillwaysType of damEmbankment damImpoundsWalawe RiverLength3.9 km (2.4 mi)Spillways4Spillway typeTainter gateReservoirCreatesUdawalawe ReservoirTotal capacity267MCMMaximum length8.6 km (5.3 mi)Maximum width7 km (4.3 mi)Udawalawe Power StationCoordinates06°25′55″N 80°51′02″E / 6.43194°N 80.85056°E / 6.43194; 80.85056Operator(s)CEBCommission dateApril 1969 (1969-04)TypeConventionalTurbines3 × 2 MWInstalled capacity6 MW

The Udawalawe Dam is a large irrigation dam in Udawalawe, in the Southern Province of Sri Lanka. The dam consists of an embankment section and a gravity section, combining the total dam length to approximately 3.9 km (2.4 mi). The dam is also used for hydroelectric power generation, powering two 2 MW units, commissioned in April 1969 (1969-04).[1]

The water level of the reservoir is controlled by the five tainter gate spillways located at the eastern end of the dam, with two additional spillways located towards the centre of the dam. The reservoir measures approximately 8.6 km (5.3 mi) in length, with a maximum perpendicular width of 7 km (4.3 mi).[citation needed]

The four tainter gate spillways.
Road over the larger embankment dam.

See also

  • flagSri Lanka portal
  • iconWater portal
  • iconRenewable energy portal
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References

  1. ^ "CEB Generation Network". Ceylon Electricity Board. Archived from the original on 16 January 2014. Retrieved 13 February 2014.


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