The cost of carbon capture and storage for natural gas combined cycle power plants

Environmental Science & Technology
Edward S Rubin, Haibo Zhai

Abstract

This paper examines the cost of CO(2) capture and storage (CCS) for natural gas combined cycle (NGCC) power plants. Existing studies employ a broad range of assumptions and lack a consistent costing method. This study takes a more systematic approach to analyze plants with an amine-based postcombustion CCS system with 90% CO(2) capture. We employ sensitivity analyses together with a probabilistic analysis to quantify costs for plants with and without CCS under uncertainty or variability in key parameters. Results for new baseload plants indicate a likely increase in levelized cost of electricity (LCOE) of $20-32/MWh (constant 2007$) or $22-40/MWh in current dollars. A risk premium for plants with CCS increases these ranges to $23-39/MWh and $25-46/MWh, respectively. Based on current cost estimates, our analysis further shows that a policy to encourage CCS at new NGCC plants via an emission tax or carbon price requires (at 95% confidence) a price of at least $125/t CO(2) to ensure NGCC-CCS is cheaper than a plant without CCS. Higher costs are found for nonbaseload plants and CCS retrofits.

References

Feb 19, 2011·Environmental Science & Technology·Haibo ZhaiPeter L Versteeg
Sep 13, 2011·Environmental Science & Technology·Philip H StaufferAnthony Mancino

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Citations

Nov 7, 2012·Environmental Science & Technology·Chun Feng SongWei Zhong Jiang
Jun 5, 2013·Proceedings of the National Academy of Sciences of the United States of America·Greg H RauRoger D Aines
Sep 18, 2014·Environmental Science & Technology·Shuchi TalatiM Granger Morgan
Aug 13, 2015·Environmental Science & Technology·Ian C BourgDonald J DePaolo
Jan 1, 2019·Energy & Environmental Science·Rebecca L SiegelmanJeffrey R Long
Mar 28, 2020·Environmental Science & Technology·Habib Azarabadi, Klaus S Lackner
Apr 25, 2020·Environmental Science & Technology·Peter PsarrasJennifer Wilcox
Sep 1, 2017·Environmental Science & Technology·Peter C PsarrasJennifer Wilcox
May 30, 2015·Environmental Science & Technology·Haibo ZhaiEdward S Rubin
Feb 26, 2014·Environmental Science & Technology·Lauren A Fleishman MayerM Granger Morgan
Mar 27, 2015·Environmental Science & Technology·Jinhyok HeoPeter J Adams
Dec 31, 2021·PloS One·Zachariah Steven BairdKody M Powell

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