Abstract
The cost effectiveness of photovoltaic systems, internal combustion engine generator units and extending the main electric utility network as sources of electric power for remote rural locations have been compared by means of mathematical model incorporating the principal technical and economic features of these systems. Plant investment and maintenance costs were determined for each of the systems by including all of the identifiable principal costs in the model. The model does not, however, take into account failure modes, mean time between failures and mean time for repairs which are very different for the three types of systems and can affect the results of the analysis. The results of the parametric analysis on the most significant parameters are presented in charts which permit quick comparison of the principal features of each of the three kinds of power sources.
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