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Identification of Required Cost Reductions for CSP to Retain Its Competitive Advantage as Most Economically Viable Solar-Dispatchable Technology
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.
2018 (English)In: INTERNATIONAL CONFERENCE ON CONCENTRATING SOLAR POWER AND CHEMICAL ENERGY SYSTEMS (SOLARPACES 2017) / [ed] Mancilla, R Richter, C, AMER INST PHYSICS , 2018, article id 040028-1Conference paper, Published paper (Refereed)
Abstract [en]

The present study evaluates and compares the optimum configurations for both PV-batteries and molten salt tower concentrating solar power plants that minimize the levelized cost of electricity for a suitable location for deployment of both solar technologies nearby Ouarzazate, Morocco, when considering two capacity factor objectives, namely 50% and 85%, and cost-projections for 2020 and 2030. Required target cost reduction rates for each of the main blocks in the tower plant (i.e. the solar field, the storage and the power block) are identified for guaranteeing its competitive advantage as the most economically viable solar-only technology at both capacity factor objectives investigated. It is shown that the larger the capacity factor requirement is, the more competitive the solar thermal technology would be. Specifically, the case-study shows that for an 85% capacity factor objective, tower plants would be more competitive even when considering the most pessimistic and optimistic cost projections for the solar thermal and PV-batteries sub-components, respectively. Nevertheless, it was also determined that in order to ensure being the most competitive solar-only technology at a 50% capacity factor objective by 2030, the costs of the solar field of the solar tower plants should reach values as low as 20-50 (sic)/m(2), depending on the scenario, which means approximately a three to seven fold decrease of the costs as of 2017. At last, recommendations to solar thermal technology owners and developers are provided, and a short discussion regarding the viability and limitations of using battery electric storage systems for utility-scale solar plants is presented.

Place, publisher, year, edition, pages
AMER INST PHYSICS , 2018. article id 040028-1
Series
AIP Conference Proceedings, ISSN 0094-243X ; 2033
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-257839DOI: 10.1063/1.5067064ISI: 000481681200055Scopus ID: 2-s2.0-85057136481ISBN: 978-0-7354-1757-1 (print)OAI: oai:DiVA.org:kth-257839DiVA, id: diva2:1348720
Conference
23rd International Conference on Concentrating Solar Power and Chemical Energy Systems (SolarPACES), SEP 26-29, 2017, Santiago, CHILE
Note

QC 20190905

Available from: 2019-09-05 Created: 2019-09-05 Last updated: 2019-10-21Bibliographically approved

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