Carbon price and optimal extraction of a polluting fossil fuel with restricted carbon capture

Renaud Coulomb and Fanny Henriet

PSE Working Papers from HAL

Abstract: Among technological options to mitigate greenhouse gas (GHG) emissions, Carbon Capture and Storage technology (CCS) seems particularly promising. This technology allows to keep on extracting polluting fossil fuels without drastically increasing CO2 atmospheric concentration. We examine here a two-sector model with two primary energy resources, a polluting exhaustible resource and an expensive carbon-free renewable resource, in which an environmental regulation is imposed through a cap on the atmospheric carbon stock. We assume that only the emissions from one sector can be captured. Previous literature, based on one-sector models in which all emissions are capturable, finds that CCS technology should not be used before the threshold has been reached. We find that, when technical constraints make it impossible to capture emissions from both sectors, this result does not always hold. CCS technology should be used before the ceiling is reached if non capturable emissions are large enough. In that case, we find that energy prices paths must differ between sectors reflecting the difference of social cost of the resource according to its use. Numerical exercise show that, when the ceiling is set at 450ppm CO2, the initial carbon tax should equal 52$/tCO2 and that using CCS before the ceiling is optimal.

Keywords: dynamic models; global warming; externalities; nonrenewable resources; carbon capture; energy markets; modèles dynamiques; changement climatique; externalités; ressources non renouvelables; capture CO2; marchés énergétiques; taxe carbone (search for similar items in EconPapers)
Date: 2010-04
Note: View the original document on HAL open archive server: https://shs.hal.science/halshs-00564852v1
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Citations: View citations in EconPapers (19)

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Working Paper: Carbon price and optimal extraction of a polluting fossil fuel with restricted carbon capture (2011)
Working Paper: Carbon price and optimal extraction of a polluting fossil fuel with restricted carbon capture (2010)
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