Development of household biogas digesters and its economic analysis in China

During the development of biogas digesters, a problem, which is how to appraise the economic benefits, always exists. This paper mainly discusses the necessity of cost-benefit analysis on biogas digesters, clearly defines some vague concepts during the analysis, tells how to quantitatively analyse the environmental benefits, and affirms the role of the government and the rural families.

Keywords: household biogas digesters, renewable energy, cost-benefit analysis, China, bioenergy, rural households