Tana-Beles interbasin water transfer

The Tana-Beles interbasin water transfer takes water from Lake Tana and delivers it to the Beles River via the Tana Beles hydroelectric power plant. The water downstream is also used for irrigation. [1].

It was constructed between 2005 and 2010, specifically as a multi-purpose project, but with a major part of construction involving the hydropower plant, 11.8 km headrace tunnel from Lake Tana, and 7.2km tailrace tunnel to the Jehana river (minor tributary of the Beles River) [2].

While Lake Tana and the Beles River are both in the Blue Nile/Abbay basin, water would not usually flow from the lake through this river. The interbasin transfer project therefore provides substantial additional water within the Beles River region (on average 77 m3/s [3]), enabling irrigation development, notably of sugarcane [4].

References

  1. ↑ Goor, Q.; Halleux, C.; Mohamed, Y.; Tilmant, A. (12 October 2010). "Optimal operation of a multipurpose multireservoir system in the Eastern Nile River Basin". Hydrology and Earth System Sciences. 14 (10): 1895–1908. doi:10.5194/hess-14-1895-2010.
  2. ↑ "Beles Multipurpose Project - Salini Impregilo". www.salini-impregilo.com.
  3. ↑ Belete, Mulugeta Azeze (2013). "Modeling and Analysis of Lake Tana Sub Basin Water Resources Systems, Ethiopia" (PDF). Retrieved 9 October 2018.
  4. ↑ Kassahun, Berhanu; Tegegne, Gebre-Egziabher (2015). Socio-Economic Base-Line Survey of Rural and Urban Households in Tana Sub-Basin, Amhara National Regional State. Forum for Social Studies. p. 2. ISBN 9789994450497.
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