The economically acceptable scenarios for investments in desulphurization and denitrification on existing coal-fired units in Bosnia and Herzegovina

► Research on the external costs from power plants in electricity sector of BH has been conducted. ► The EcoSense software was used, and the results regarding SO2 and NOx emission are presented. ► External costs are compared with private costs of DeSOx and DeNOx. ► Economically acceptable scenarios to achieve significant emission decreases are presented.