Technical and Socioeconomic Potential of Biogas from Cassava Waste in Ghana

Table 4

Key financial variables of the analysis.

Output variable	Project life			Unit
	10 years	15 years	20 years
Asueyi
NPV	−7,004	35,021	78,697	US$
IRR	8.3	15.0	17.7	%
Digester size	300	300	300	m^3
Capital cost	90,690	90,600	90,690	US$
Average revenue per year	19,066	25,340	34,259	US$
Akrofrom
NPV	−832	72,550	147,905	US$
IRR	9.9	16.2	18.7	%
Digester size	500	500	500	m^3
Capital cost	150,791	150,791	150,791	US$
Average revenue per year	31,757	42,207	57,063	US$