Abstract
Abstract Through work with the Department of Energy and Environmental Protection Agency, ICF has developed a costing model for geologic sequestration of CO2 by geologic setting in the U.S. The GeoCAT model is being used by the EPA Office of Air and Radiation to assist in analyzing the impact of potential climate change legislation. GeoCAT includes an assessment of sequestration capacity by state and geologic setting. Costing algorithms are based upon a detailed analysis of individual cost components, such as site characterization and injection well construction. The study shows that the cost of geologic sequestration without by-product credits (such as additional oil produced with enhanced oil recovery (EOR)) ranges from $2.84 to $28.12 per metric ton of CO2, depending on characteristics specific to the type of geologic formation. By-product impacts on costs for EOR, enhanced coalbed methane, and shale gas production are very significant.
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