Cost-Benefit Analysis and Financial Viability of Household Biogas Plant Installation in Aleta Wondo District, Southern Ethiopia

EnergyRN eJournal Pub Date : 2021-09-27 DOI:10.21203/RS.3.RS-910501/V1

Tale Gedefa, Yoseph Melka, G. Sime

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引用次数: 2

Abstract

Background: Installation of biogas plants has both costs and incomes; installation and maintenance service demand financial costs and reduction of costs for purchasing firewood, kerosene and chemical fertilizers are benefits or incomes. This study investigates the cost-benefit analysis and financial viability related to biogas plant installation in Southern Ethiopia. Method: A multi-stage sampling technique was employed to select sample households. A total of 105 adopter households were selected for household survey.Results and conclusion: The installation cost took the largest share of the total cost of installation and was one of the main constraints that hindered installation. Installation increased household income by reducing the costs incurred for buying firewood, kerosene and chemical fertilizers. Relatively, lower plant size was more profitable than larger plant size. Installation under the subsidy scheme was more financially viable at 10 % discount rate than its counterparts. The profitability of lower plant size was more sensitive to changes in the discount rate, the level of expenditure saving and input price than larger plant size, under an assumption and without subsidy. Installation of low cost plants could more attract the engagement of a large number of rural households with low economic capacity. Besides, installation of lower plant sizes could more substantially enhance household income by saving costs incurred for buying firewood, kerosene and chemical fertilizers.

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埃塞俄比亚南部Aleta Wondo地区家庭沼气厂安装的成本效益分析和财务可行性

背景:安装沼气厂既有成本也有收入;安装和维修服务所需的财务费用和减少购买柴火、煤油和化肥的费用都是收益或收入。本研究调查了成本效益分析和财务可行性相关的沼气厂安装在埃塞俄比亚南部。方法:采用多阶段抽样方法对样本家庭进行抽样。共选取105户收养家庭进行入户调查。结果与结论:安装费用在安装总成本中所占比例最大，是阻碍安装的主要制约因素之一。安装减少了购买柴火、煤油和化肥的费用，从而增加了家庭收入。相对而言，较小的工厂规模比较大的工厂规模更有利可图。在补贴计划下的安装比其他补贴计划在财政上更可行，有10%的折扣率。在假设和没有补贴的情况下，较小工厂规模的盈利能力对贴现率、节省开支水平和投入价格的变化比较大工厂规模的盈利能力更敏感。安装低成本的发电厂更能吸引大量经济能力较低的农村家庭的参与。此外，安装较小规模的工厂可以节省购买柴火、煤油和化肥的费用，从而大大提高家庭收入。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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EnergyRN eJournal

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