In Indonesia, commonly cow farmers maintain their cow together one with other farmers, raising approximately
10-50 cows in a remote location to prevent manure pollution to people. Considering that the price of biogas
biodigester in Indonesia is lower than in Philippines and the different farmer pattern in raising their cattle in which
the cows are maintained centrally in communal corrals, cow manure domestic biodigester programme in Indonesia
may be profitable. Therefore, this research will study an economic analysis of biogas digester programme as energy
source for electricity power generation in small scale ranch raising 10-50 cows in Indonesia. The research also
considering the solid fertilizer produced from the digester. The purpose of this research is to strengthen the support
in the persuading the government to make more policies in the promotion and utilization of biogas as one of feasible
alternative energy and in the persuading the farmers to apply this technology to increase their income.