engleski

Impact pathway methodology in estimating external costs of electricity generation (case study Croatia)

To allow for a fair comparison of various electricity generating options, it is necessary to account for environmental and societal impacts caused by electricity generation. Because of their diverse character, impacts are expressed in a common measure, so called external costs. External costs can be calculated using the so called impact pathway methodology, which relates to the sequence of events linking a "burden" to an "impact", and subsequent valuation. This paper estimates, by means of the impact pathway methodology, external costs of the representative coal and gas fired power plants, determined as candidates for Croatian power system expansion till 2030. It is analyzed how the estimated external costs, when incorporated into total production costs of the facility, would affect the competitivness of fossil-fired plants compared to other electricity generation options, i.e. how they would influence the optimal expansion strategy of the Croatian power system.

electricity generation; external costs; environmental damage valuation; impact pathway method

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