Integrated gasification combined cycle and carbon capture: A risky option to mitigate CO2 emissions of coal-fired power plants

Bettina Susanne Hoffmann and Alexandre Szklo

Applied Energy, 2011, vol. 88, issue 11, 3917-3929

Abstract: The power sectors of many big economies still rely on coal-fired plants and emit huge amounts of carbon dioxide. Emerging countries like Brazil, China and South Africa plan to expand the use of coal-fired thermal plants in the next decade. Integrated gasification combined cycle (IGCC) is an innovative technology that facilitates the implementation of carbon capture (CC). The present work analyzes the maturity and costs of the IGCC technology, with and without CC, and assesses the effect of the technology risk on its economic viability. Findings show that the inclusion of the risk in the economic analysis of IGCC plants raises the cost of CO2 avoided from 36US$/tCO2 to 106US$/tCO2 in the case of Shell Gasifiers and from 39US$/tCO2 to 112US$/tCO2 in the case of GE Gasifiers. Thus, the introduction of IGCC with CC on a wider scale faces huge uncertainties. The feasibility of these plants will rely heavily on the overcoming of the technology risk. Besides, its implementation in the short run will depend on government incentives to bear with the additional cost incurred in the first-generation plants.

Keywords: IGCC plants; CO2 capture; Cost estimates; Technology risk (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (36)

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DOI: 10.1016/j.apenergy.2011.04.002

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