The International Solar Energy Society, ISES, works to achieve 100% renewable energy for all, used efficiently and wisely, by providing the global renewable energy community with a collective, scientifically credible voice and up-to-date information gathered and synthesized by its talented members.  

ISES, a non-profit UN-accredited membership NGO founded in 1954, has a long history of being the trusted global advisor on renewable energy and this remains its core value.

ISES informs and connects its extensive, diverse membership of researchers, academics, professionals, practitioners, businesses, decision makers, and advocates in more than 100 countries. 

ISES promotes solar research and development, provides authoritative advice on renewable energy issues worldwide, advocates for a sustainable global solar industry, supports career growth of Young ISES members, and promotes energy education at all levels.  

The ISES Solar World Congress, held biennially since the 1950's embodies the spirit of international networking and exchange of ideas advanced by the Society. Its objective is to maintain communication between the research community, industrial and political players. Learn more about past Solar World Congresses here: ises.org/what-we-do/events/solar-world-congress/