Multi-criteria evaluation of residential energy supply systems

Kari Alanne, Ahti Salo, Arto Saari, Stig-Inge Gustafsson

Research output: Contribution to journalArticleScientificpeer-review

70 Citations (Scopus)


In this paper, we consider the selection of a residential energy supply system as a multi-criteria decision-making problem, which involves both financial and environmental issues. Specifically, we compare micro-CHP (micro-cogeneration) heating with traditional heating systems through an evaluation that accounts for: (i) the decision-makers' subjective preferences, (ii) uncertainties in the performance of micro-CHP heating systems (which are partly caused by the lack of long-term operational experiences) and (iii) the context-dependency of life-cycle costs and environmental burdens of heating systems. Motivated by these considerations, we employ the PAIRS multi-criteria decision-making methodology that captures incomplete information by way of interval-valued parameters and provides support for sensitivity analyses, too. Our comparative analysis of alternative heating systems suggests that micro-CHP is a reasonable alternative to traditional systems, particularly from the environmental point of view. (C) 2007 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)1218-1226
Number of pages9
JournalEnergy and Buildings
Issue number12
Publication statusPublished - Dec 2007
Externally publishedYes
Publication typeA1 Journal article-refereed


  • multi-criteria evaluation
  • micro-cogeneration
  • micro-CHP
  • residential buildings


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