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.

Executive Committee Members

Prof. Klaus Vajen

Professor, Director
Institute of Thermal Engineering
University of Kassel
DE-34109 Kassel

Dr. Andreas Häberle Alternate

Director SPF Institute for Solar Technologies
SPF - Eastern Switzerland University of Applied Sciences
Oberseestr. 10
8640 Rapperswil