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Allal al Fassi Dam

Allal al Fassi Dam
Allal al Fassi Dam is located in Morocco
Allal al Fassi Dam
Location of Allal al Fassi Dam in Morocco
Official nameBarrage Allal al Fassi
Coordinates33°55′53″N 04°40′38″W / 33.93139°N 4.67722°W / 33.93139; -4.67722
Opening date1991
Owner(s)Office National de L'Electricite (ONE)
Dam and spillways
Type of damEmbankment
ImpoundsSebou River
Height61 m (200 ft)
Length340 m (1,120 ft)
Dam volume1,300,000 m3 (46,000,000 cu ft)
Total capacity81.5×10^6 m3 (66,100 acre⋅ft)
Catchment area5,400 km2 (2,100 sq mi)
Allal al Fassi Power Plant
Coordinates34°05′43″N 04°37′13″W / 34.09528°N 4.62028°W / 34.09528; -4.62028
Commission date1994
Turbines3 x 80 MW (110,000 hp) Francis-type
Installed capacity240 MW (320,000 hp)[1]
Annual generation220 GWh (790 TJ)

The Allal al Fassi Dam is an embankment dam located 18 kilometres (11 mi) northeast of Sefrou on the Sebou River in the Fès-Meknès region of Morocco. Completed in 1991, it provides water for irrigation and hydroelectric power production. The dam was named after the famous Moroccan Allal al-Fassi.[2]

Power station

The dam's hydroelectric power station is located 18 kilometres (11 mi) to the north on the southern bank of the Idriss I Dam's reservoir. Water reaches the power plant after being diverted by the Allal al Fassi Dam via an intake on the right bank of the reservoir. It flows through a 15.45 kilometres (9.60 mi) long tunnel before reaching a compensating basin. From the basin, water is sent through pipelines and finally penstocks to 3 x 80 megawatts (110,000 hp) Francis turbine-generators. Once used for power generation, the water is discharged into the Idriss I Reservoir. About 300 million cubic metres (240,000 acre⋅ft) of water is transferred through the power station annually. The power station was commissioned in 1994 and generates 220 gigawatt-hours (790 TJ) on average annually.[2]

See also


  1. ^ "Allal el Fassi Hydroelectric Power Project Morocco". Global Energy Observatory. Retrieved 23 August 2011.
  2. ^ a b "Allal al Fassi" (in French). Secretariat D'etat Charge de L'eau et de L'environnement. Archived from the original on 2011-10-09. Retrieved 23 August 2011.
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