The paper presents construction of heating system in Trebišov town in alternative solution and its environmental impact assessment (EIA). Choosing the best alternative consider zero variant (if no activity is done - present state of the environment) and another two alternatives assessment using the method of the total indicator of environmental quality. Nine selected criteria were divided into four groups according to their character - economic, technical, ecological and social. Based on evaluation of the construction of biomass-fired power plant seems to be the best solution of heating system for Trebišov town.
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