Title: Looking under the hood: A comparison of techno-economic assumptions across national and global integrated assessment models
Authors: KREY VOLKERGUO FEIKOLP PETERZHOU WENJISCHAEFFER ROBERTOAWASTHY AAYUSHIBERTRAM CHRISTOPHDE BOER HARMEN SYTZEFRAGKOS P.FUJIMORI SHINICHIROHE CHENMINIYER GOKULKERAMIDAS KIMONKOBERLE ALEXOSHIRO KENALELUIA REIS LARASHOAI BIANKAVISHWANATHAN SARITHACAPROS PANTELISDROUET LAURENTEDMONDS JAEGARG AMITGERNAAT DAVIDJIANG KEJUNKANNAVOU MARIAKITOUS ALBAN GABRIELKRIEGLER ELMARLUDERER GUNNARMATHUR RITUMURATORI MATTEOSANO FUMINORIVAN VUUREN DETLEF
Citation: ENERGY vol. 172 p. 1254-1267
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Publication Year: 2019
JRC N°: JRC110503
ISSN: 0360-5442 (online)
URI: https://publications.jrc.ec.europa.eu/repository/handle/JRC110503
DOI: 10.1016/j.energy.2018.12.131
Type: Articles in periodicals and books
Abstract: Integrated assessment models are extensively used in the analysis of climate change mitigation and are informing national decision makers as well as contribute to international scientific assessments. This paper conducts a comprehensive review of techno-economic assumptions in the electricity sector among fifteen different global and national integrated assessment models. Particular focus is given to six major economies in the world: Brazil, China, the EU, India, Japan and the US. The comparison reveals that techno-economic characteristics are quite different across integrated assessment models, both for the base year and future years. It is, however, important to recognize that techno-economic assessments from the literature exhibit an equally large range of parameters as the integrated assessment models reviewed. Beyond numerical differences, the representation of technologies also differs among models, which needs to be taken into account when comparing numerical parameters. While desirable, it seems difficult to fully harmonize techno-economic parameters across a broader range of models due to structural differences in the representation of technology. Therefore, making techno-economic parameters available in the future, together with of the technology representation as well as the exact definitions of the parameters should become the standard approach as it allows an open discussion of appropriate assumptions.
JRC Directorate:Energy, Transport and Climate

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