TITLE

Uncertainty in Carbon Capture and Storage (CCS) deployment projections: a cross-model comparison exercise

AUTHOR(S)
Koelbl, Barbara; Broek, Machteld; Faaij, André; Vuuren, Detlef
PUB. DATE
April 2014
SOURCE
Climatic Change;Apr2014, Vol. 123 Issue 3/4, p461
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Carbon Capture and Storage (CCS) can be a valuable CO mitigation option, but what role CCS will play in the future is uncertain. In this paper we analyze the results of different integrated assessment models (IAMs) taking part in the 27th round of the Energy Modeling Forum (EMF) with respect to the role of CCS in long term mitigation scenarios. Specifically we look into the use of CCS as a function of time, mitigation targets, availability of renewables and its use with different fuels. Furthermore, we explore the possibility to relate model results to general and CCS specific model assumptions. The results show a wide range of cumulative capture in the 2010-2100 period (600-3050 GtCO), but the fact that no model projects less than 600 GtCO indicates that CCS is considered to be important by all these models. Interestingly, CCS storage rates are often projected to be still increasing in the second half of this century. Depending on the scenario, at least six out of eight, up to all models show higher storage rates in 2100 than in 2050. CCS shares in cumulative primary energy use are in most models increasing with the stringency of the target or under conservative availability of renewables. The strong variations of CCS deployment projection rates could not be related to the reported differences in the assumptions of the models by means of a cross-model comparison in this sample.
ACCESSION #
95446548

 

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