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Important Notice

11th SOLARIS-2021 Life-long Contribution Award

We arranged award-winning lectures and powerful keynote lectures. Please see Invited Speakers for the list of speakers and the titles of speeches. Since there should be more potential for general presentations, the deadline of abstract was extended as below. We encourage you to submit abstract in accordance with:

  • Deadline for abstract submission (250 Words)June 30, 2021
  • Deadline for Full Paper (2-5 Pages) submissionAugust 7, 2021
    July 31, 2021

    (Mandatory for Journal Paper Selection)
  • Online ConferenceeSep 27-30, 2021

Note, selected papers will be recommended for publication in special issue of "Journal of Thermal Science and Technology (JSME)" and "Renewable Energy (Elsevier)". Also note, registration fee was discounted as shown in Registration.


The Solaris conference provides a platform for meetings for researchers in the area of solar energy and efficient energy technology. It has a long tradition of organizing such meetings in Edinburgh 2003, Athens 2005, Delhi 2007, Hong Kong 2008, Bruno 2011, Granada 2013, Maribor 2015, London 2017, Chengdu 2018 and Delhi 2019. The 11th event will be held at Shibaura Institute of Technology, Japan (ONLINE) during 27-30th, Sep. 2021.

Conference Topics

SOLARIS will include plenary and keynote lectures and oral presentations on topics:

  • (1) Solar radiation measurement and modelling
  • (2) Solar thermal energy usage and conversion
  • (3) Solar photovoltaic (PV) generation
  • (4) Concentrated Solar Power (CSP) and solar fuel
  • (5) Solar technology and energy systems for buildings
  • (6) Energy storage, transportation, insulation and materials
  • (7) District heating/cooling
  • (8) Solar energy markets and political aspects
  • (9) Wind power and biomass
  • Registration

    At least one author needs to complete registration by 15th August in order to have your contribution included in the program and published in the conference proceedings. One regular/student registration covers only one paper.


    Registration Fee

    • Early Bird (until 20th August)
    • GeneralJPY 16,000
    • StudentJPY 8,000

    • After 20th August
    • GeneralJPY 20,000
    • StudentJPY 10,000
    • At least one author must registrate for each contribution included in the program.


    Conference Secretariat

    News and Topics

    • 2021.9.17Program has been updated.
    • 2021.9.7Program (tentative) is available.
    • 2021.7.30Important dates (deadline for full paper submission) has been updated.
    • 2021.7.1Registration is available.
    • 2021.7.1Full Paper Submission was started.
    • 2021.6.16Important dates (deadline for abstract submission) has been updated.
    • 2021.6.16List of invited speakers has been updated.
    • 2021.5.31Important dates (deadline for abstract submission) has been updated.
    • 2021.5.31List of invited speakers is available.
    • 2021.5.31Registration fee has been updated.
    • 2021.4.28Abstract submission was started.
    • 2021.4.28The schedule was postponed.