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A multicriteria approach to evaluate district heating system options

S. Ghafghazi, T. Sowlati, S. Sokhansanj and S. Melin

Applied Energy, 2010, vol. 87, issue 4, 1134-1140

Abstract: District energy systems, in which renewable energy sources may be utilized, are centralized systems to provide energy to residential and commercial buildings. The aim of this paper is to evaluate and rank energy sources available for a case of district heating system in Vancouver, Canada, based on multiple criteria and the view points of different stakeholders, and to show how communication would affect the ranking of alternatives. The available energy sources are natural gas, biomass (wood pellets), sewer heat, and geothermal heat. The evaluation criteria include GHG emissions, particulate matter emissions, maturity of technology, traffic load, and local source. In order to rank the energy options the PROMETHEE method is used. In this paper, two different scenarios were developed to indicate how the communication between the stakeholders would affect their preferences about criteria weights and would change the ranking of alternatives. The result of this study shows that without communication the best energy source for the considered district energy system is different for different stakeholders. While, addressing concerns through efficient communication would result in a general consensus. In this case, wood pellet is the best energy alternative for all the stakeholders.

Keywords: District; heating; systems; Multicriteria; decision; making; PROMETHEE; Group; decision; making; Renewable; energy; Biomass (search for similar items in EconPapers)
Date: 2010
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