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석탄발전소의 사회적 비용 추정 : 균등화발전비용 중심으로Estimation of Social Costs for Coal Power Plants : Using the Levelized Cost of Electricity

Other Titles
Estimation of Social Costs for Coal Power Plants : Using the Levelized Cost of Electricity
Authors
조용성
Issue Date
2022
Publisher
한국기후변화학회
Keywords
Social Costs; External Costs; Coal Power Plant; LCOE
Citation
한국기후변화학회지, v.13, no.5, pp.633 - 647
Indexed
KCI
Journal Title
한국기후변화학회지
Volume
13
Number
5
Start Page
633
End Page
647
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/146853
ISSN
2093-5919
Abstract
Assuming a discount rate of 4.5% and a utilization rate of 80%, the levelized cost of electricity (LCOE) of a coal power plant was found to be 144.52 KRW/kWh. Among the calculated LCOE components, the factors accounting for the largest proportion were the fuel cost of 51.37 KRW/kWh (35.5%), the carbon emission cost of 45.83 KRW/kWh (31.7%), and the construction cost of 22.1 KRW/kWh (15.3%). As the international coal price rises, the unit cost of fuel is also showing an increasing trend. Recently, the initial investment cost of private coal power plants has increased, and environmental costs (external costs) due to conflicts with local residents are also increasing. Analysis of the sensitivity of the estimated LCOE to a discount rate and a utilization rate found that change in the utilization rate has the greatest effect on the LCOE of coal power plants.
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생명과학대학 (식품자원경제학과)
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