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Assessment Framework for Multicriteria Comparison Indicators in Various Electricity Supply Systems  

Kim Seong-Ho (Korea Atomic Energy Research Institute)
Kim Tae-Woon (Korea Atomic Energy Research Institute)
Publication Information
Journal of Energy Engineering / v.15, no.1, 2006 , pp. 74-81 More about this Journal
Abstract
In this study, on the basis of an analytic hierarchy process (AHP) method and through a questionnaire on subjective preference and importance, various power supply systems were comprehensively compared with multiple decision criteria such as environmental, social, healthy, and economic viewpoints and then overall priority was assessed. When a decision-making problem is modelled by a hierarchy structure, the AHP method is regarded as a useful tool for extracting subjective opinions via the aforementioned questionnaire. Here, the overall preferences were obtained by linearly aggregating weighting vector and preference matrix. The energy systems such as nuclear, coal, and LNG power plants were selected because they took share over 90% of domestic electricity supply in Korea. Furthermore, wind power and photovoltaic solar systems were included as representative renewable energy systems in Korea. According to the results of this demonstration study, the following comprehensive comparison indicators were yielded: 1) weighting factors for 4 types of main criteria as well as for 11 types of sub-criteria; 2) preference valuation for 7 types of energy systems under consideration; 3) overall score for each energy systems.
Keywords
Energy technology; Hierarchy model; MCDM; Social-environment effect; Comparison indicator;
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