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Table 4 Annual biogas energy production potential from the village biomass energy resources

From: Alternative energy supply system to a rural village in Ethiopia

Biogas energy sources Dry matter Availability Available potential energy potential Useful energy potential (GJ/year)
(t) (%) (t) (GJ/year) Burner Electricity
Cow dung 70 0.4 28 172 103 52
Crop residues 75 0.3 23 198 119 59
Human feces 7.5 0.8 6 46 28 14
Human urine 3.8a 0.8 3 23 14 7
CD + CR 145   51 389 233 117
CD + HE 81   37 285 171 85
CR + HE 86   32 243 146 73
CD + CR + HE 156   60 458 275 137
  1. aTotal dry matter content of the annually produced urine