Determinants of the costs of carbon capture and sequestration for expanding electricity generation capacity

Emily Giovanni and Kenneth R. Richards

Energy Policy, 2010, vol. 38, issue 10, 6026-6035

Abstract: This study models the costs of electricity generation with carbon capture and sequestration (CCS), from generation at the power plant to carbon injection at the reservoir, examining the economic factors that affect technology choice and CCS costs at the individual plant level. The results suggest that natural gas and coal prices have profound impacts on the carbon price needed to induce CCS. To extend previous analyses we develop a "cost region" graph that models technology choice as a function of carbon and fuel prices. Generally, the least-cost technology at low carbon prices is pulverized coal, while intermediate carbon prices favor natural gas technologies and high carbon prices favor coal gasification with capture. However, the specific carbon prices at which these transitions occur is largely determined by the price of natural gas. For instance, the CCS-justifying carbon price ranges from $27/t CO2 at high natural gas prices to $54/t CO2 at low natural gas prices. This result has important implications for potential climate change legislation. The capital costs of the generation and CO2 capture plant are also highly important, while pipeline distance and criteria pollutant control are less significant.

Keywords: Climate; change; Carbon; capture; and; storage; Cost; analysis (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (8)

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