Mandraka Dam

Mandraka Dam
Location of Mandraka Dam in Madagascar
Country Madagascar
Location Mandraka, Analamanga Region
Coordinates 18°55′16.79″S 47°55′46.14″E / 18.9213306°S 47.9294833°E / -18.9213306; 47.9294833Coordinates: 18°55′16.79″S 47°55′46.14″E / 18.9213306°S 47.9294833°E / -18.9213306; 47.9294833
Purpose Power
Status Operational
Opening date 1956
Owner(s) Jirama
Dam and spillways
Type of dam Gravity
Impounds Mandraka River
Height 20 m (66 ft)
Reservoir
Creates Lake Mandraka
Total capacity 36×10^6 m3 (29,000 acre⋅ft)
Mandraka Power Station
Coordinates 18°55′35.37″S 47°56′49.51″E / 18.9264917°S 47.9470861°E / -18.9264917; 47.9470861
Commission date 1958-1972
Hydraulic head 226 m (741 ft)
Turbines 4 x 6 MW (8,000 hp) Pelton-type
Installed capacity 24 MW (32,000 hp)

Mandraka Dam is a gravity dam on the Mandraka River near Mandraka in the Analamanga Region of Madagascar. The dam was constructed by a French firm by 1956 and creates Lake Mandraka.[1]

Mandraka Power Station

The dam supplies water to a 24 megawatts (32,000 hp) hydroelectric power station 1.9 km (1.2 mi) to the east, down in the valley. The change in elevation between the dam and power station affords a hydraulic head on 226 metres (741 ft).[2][3] The dam and power station are operated and owned by Jirama and the four 6 megawatts (8,000 hp) Pelton turbine-generators were commissioned between 1958 and 1972.[4]

See also

References

  1. ↑ "The French civil engineering works in the world dams 1860-2012" (PDF). IESF. Archived from the original (PDF) on 18 March 2014. Retrieved 17 March 2014.
  2. ↑ "Dams of Madagascar". UN FAO. Retrieved 17 March 2014.
  3. ↑ "References – ANDRITZ HYDRO". Andritz. Retrieved 18 March 2014.
  4. ↑ "Hydroelectric Power Plants in Southern Africa". IndustCards. Archived from the original on 4 February 2014. Retrieved 18 March 2014.
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