Hassan I Dam

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Hassan I Dam
Hassan I Dam is located in Morocco
Hassan I Dam
Location of Hassan I Dam
Official name Barrage Hassan I
Country Morocco
Location Demnate
Coordinates 31°48′52″N 06°49′22″W / 31.81444°N 6.82278°W / 31.81444; -6.82278Coordinates: 31°48′52″N 06°49′22″W / 31.81444°N 6.82278°W / 31.81444; -6.82278
Status Operational
Opening date 1986
Owner(s) Office National de L'Electricite (ONE)
Dam and spillways
Type of dam Embankment
Impounds Lakhdar River
Height 145 m (476 ft)
Length 380 m (1,247 ft)
Dam volume 9,000,000 m3 (11,771,556 cu yd)
Total capacity 273,000,000 m3 (221,325 acre·ft)
Catchment area 1,670 km2 (645 sq mi)
Power station
Commission date 1991
Turbines 1 x 67.2 MW Francis-type
Installed capacity 67.2 MW[1]
Annual generation 132 GWh

The Hassan I Dam is an embankment dam located 19 km (12 mi) northeast of Demnate on the Lakhdar River in Azilal Province, Morocco. Completed in 1986, the dam provides water for the irrigation of over 40,000 ha (98,842 acres) of farmland. The dam's hydroelectric power plant also generates 132 GWh on average annually. At 145 m (476 ft) in height, it is the tallest dam in Morocco and the tallest earth-fill dam in Africa. The dam is named after Hassan I of Morocco.[2]


  1. ^ "Hassan I Hydroelectric Power Project". Global Energy Observatory. Retrieved 23 August 2011. 
  2. ^ "Hassan I" (in French). Secretariat D'etat Charge de L'eau et de L'environnement. Retrieved 23 August 2011.