==Publication
**All accepted (Registered & Presented) papers of REEE 2021 will be collected in the E3S conference proceedings (eISSN: 2267-1242), which is indexed by *Scopus*, *Ei Compendex*, Google Scholar, CAS, DOAJ, EBSCO, ProQuest, etc.
**Special Issue-Energies(ISSN 1996-1073)
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Aug 27, 2021 8:00 AM - Aug 30, 2021 6:00 PM
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