The Allal al Fassi Dam is an

embankment dam An embankment dam is a large artificial dam. It is typically created by the placement and compaction of a complex semi-plastic mound of various compositions of soil or rock. It has a semi-pervious waterproof natural covering for its surface ...

located northeast of

Sefrou Sefrou () is a city in central Morocco situated in the Fès-Meknès region. It recorded a population of 79,887 in the 2014 Moroccan census, up from 63,872 in the 2004 census. Sefrou is known for its historical Jewish population, and its annual che ...

on the

Sebou River The Sebou (Berber: Asif en Sbu, ) is a river in northern Morocco. At its source in the Middle Atlas mountains it is known as the Guigou River (Berber: Asif n Gigu). The river is 496 kilometers long and has an average water flow of 137 m3/s, wh ...

in the

Fès-Meknès Fez-Meknes () is among the twelve Regions of Morocco Regions are currently the highest administrative divisions in Morocco. Since 2015, Morocco officially administers 12 regions, including one (Dakhla-Oued Ed-Dahab) that lies completely wi ...

region of

Morocco Morocco, officially the Kingdom of Morocco, is a country in the Maghreb region of North Africa. It has coastlines on the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to Algeria–Morocc ...

. Completed in 1991, it provides water for irrigation and hydroelectric power production. The dam was named after the famous Moroccan

Allal al-Fassi Muhammad Allal al-Fassi () (January 10, 1910 – May 13, 1974) was a Moroccan revolutionary, politician, writer, poet, Pan-Arabist and Islamic scholar. Early life and exile He was born in Fes and studied at the University of al-Qarawiyyin. He ...

Power station

The dam's hydroelectric power station is located to the north on the southern bank of the Idriss I Dam's

reservoir A reservoir (; ) is an enlarged lake behind a dam, usually built to water storage, store fresh water, often doubling for hydroelectric power generation. Reservoirs are created by controlling a watercourse that drains an existing body of wa ...

. 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 long tunnel before reaching a compensating basin. From the basin, water is sent through pipelines and finally

penstock A penstock is a sluice or gate or intake structure that controls water flow, or an enclosed pipe that delivers water to hydro turbines and sewerage systems. The term is of Scots origin, and was inherited from the earlier technology of mill pond ...

s to 3 x

Francis turbine The Francis turbine is a type of water turbine. It is an inward-flow reaction turbine that combines radial and axial flow concepts. Francis turbines are the most common water turbine in use today, and can achieve over 95% efficiency. The pro ...

-generators. Once used for power generation, the water is discharged into the Idriss I Reservoir. About of water is transferred through the power station annually. The power station was commissioned in 1994 and generates on average annually.

References

{{GeoGroup Dams in Morocco Hydroelectric power stations in Morocco Embankment dams Dams completed in 1991 Energy infrastructure completed in 1994 1991 establishments in Morocco 20th-century architecture in Morocco

Power station

See also

References