There is an increasing interest in popularizing small biogas plants to meet the bulk of domestic energy needs in Africa for cooking,lighting,and other activities such as cooling or refrigeration.As stakeholders(policy...There is an increasing interest in popularizing small biogas plants to meet the bulk of domestic energy needs in Africa for cooking,lighting,and other activities such as cooling or refrigeration.As stakeholders(policy makers,donors,credit providers,sector experts,and product development professionals)contemplate programs,one of the key questions to which a reliable answer is needed is biogas plant installation cost that may vary from region to region.An Africa-wide materials’cost multiplier factor(Lang factor of 2.63)estimation approach has been proposed,based on data from only two locations.The factor’s validity throughout Africa has been questioned.This study shows that the Africa-wide Lang factor of 2.63 is applicable in Uganda.However,differences in accuracy have been observed based on whether the installation is located in a rural or urban setting.Location-specific factors of 2.984 and 2.404 for rural and urban locations were established and validated,respectively,which produced more accurate estimates in comparison with a single composite non-location specific factor.展开更多
基金This study was supported by the World Bank through the Development Marketplace Program Award,DM085681.
文摘There is an increasing interest in popularizing small biogas plants to meet the bulk of domestic energy needs in Africa for cooking,lighting,and other activities such as cooling or refrigeration.As stakeholders(policy makers,donors,credit providers,sector experts,and product development professionals)contemplate programs,one of the key questions to which a reliable answer is needed is biogas plant installation cost that may vary from region to region.An Africa-wide materials’cost multiplier factor(Lang factor of 2.63)estimation approach has been proposed,based on data from only two locations.The factor’s validity throughout Africa has been questioned.This study shows that the Africa-wide Lang factor of 2.63 is applicable in Uganda.However,differences in accuracy have been observed based on whether the installation is located in a rural or urban setting.Location-specific factors of 2.984 and 2.404 for rural and urban locations were established and validated,respectively,which produced more accurate estimates in comparison with a single composite non-location specific factor.
