http://www.mowr.gov.et/attachmentfiles/Downloads/Water%20Sector%20Development%20Program%20Vol.2.doc "Water Sector Development Program: Main Report, Volume II"], Ethiopia Ministry of Water Resources (2002), p. 12 The catchment area is estimated as having the potential to irrigate 1070 sqkm , and to generate 9270 gigawatt-hours per year. [