Exergy and Exergy-Economic Approach to Evaluate Hybrid Renewable Energy Systems in Buildings

Sonja Kallio and Monica Siroux ()
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Sonja Kallio: INSA Strasbourg ICUBE, University of Strasbourg, 67000 Strasbourg, France
Monica Siroux: INSA Strasbourg ICUBE, University of Strasbourg, 67000 Strasbourg, France

Energies, 2023, vol. 16, issue 3, 1-22

Abstract: Hybrid renewable energy systems (HRES) combine two or more renewable energy systems and are an interesting solution for decentralized renewable energy generation. The exergy and exergo-economic approach have proven to be useful methods to analyze hybrid renewable energy systems. The aim of this paper is to present a review of exergy and exergy-economic approaches to evaluate hybrid renewable energy systems in buildings. In the first part of the paper, the methodology of the exergy and exergo-economic analysis is introduced as well as the main performance indicators. The influence of the reference environment is analyzed, and results show that the selection of the reference environment has a high impact on the results of the exergy analysis. In the last part of the paper, different literature studies based on exergy and exergo-economic analysis applied to the photovoltaic-thermal collectors, fuel-fired micro-cogeneration systems and hybrid renewable energy systems are reviewed. It is shown that the dynamic exergy analysis is the best way to evaluate hybrid renewable energy systems if they are operating under a dynamic environment caused by climatic conditions and/or energy demand.

Keywords: hybrid renewable energy systems; exergy; efficiency; costing method; micro-grid (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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