Abstract
This paper presents the results of cost of energy (COE) analysis of integrated gasification combined cycle (IGCC) power plant with respect to CO 2 capture ratio under climate change scenarios. In order to obtain process data for COE analysis, IGCC power plant and IGCC with carbon capture and sequestration (CCS) power plant have been simulated and modeled using Aspen Plus, and verified using various materials such as related reports, papers and simulation guide lines. The concept of 20-year levelized cost of energy (LCOE), and climate change scenarios suggested by International Energy Agency (IEA) are adopted to compare the COE of IGCC power plants with respect to CO 2 capture ratio more realistically. In this study, LCOEs which consider fuel price and CO 2 price changes with respect to the climate change scenarios are proposed in order to increase the reliability of economic comparison. And results of proposed LCOEs of IGCC without CCS power plant and IGCC with CCS (30% and 70% capture-mole basis- of CO 2 in syngas stream) power plant are presented.
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