可再生能源项目的最低成本分析

M. Cosgrove-Davies, A. Cabraal
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引用次数: 4

摘要

本文描述了在最低成本基础上评估分散和集中农村能源选择的方法。在定义要服务的负载时,每个备选供电方案必须提供同等水平的服务。要服务的村庄由负载数量、负载密度、到最近配电线路的距离和负载增长来定义。确定适当的农村能源替代方案并确定其规模,以满足规定的负荷。最后,进行净现值分析(包括资本、安装、运维、燃料和重置成本等),以确定成本最低的选择。世界银行亚洲替代能源组(ASTAE)开发的一种基于电子表格的分析工具采用了这种方法,并已用于比较印尼的光伏太阳能家庭系统与其他农村能源供应方案。负载大小和负载密度是选择电网和离网解决方案的关键因素。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Least cost analysis of renewable energy projects
This paper describes the methodology for evaluating dispersed and centralized rural energy options on a least cost basis. In defining the load to be served, each supply alternative must provide equivalent levels of service. The village to be served is defined by the number of loads, load density, distance from the nearest power distribution line, and load growth. Appropriate rural energy alternatives are identified and sized to satisfy the defined load. Lastly, a net present value analysis (including capital, installation, O&M, fuel, and replacement costs, etc.) is performed to identify the least cost option. A spreadsheet-based analytical tool developed by the World Bank's Asia Alternative Energy Unit (ASTAE) incorporates this approach and has been applied to compare photovoltaic solar home systems with other rural energy supply options in Indonesia. Load size and load density are found to be the critical factors in choosing between a grid and off-grid solution.
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