International Solar Energy Society

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47°58′38″N 7°49′36″E / 47.977318°N 7.826739°E / 47.977318; 7.826739

International Solar Energy Society

Formation	1954
Type	Non-Profit
Headquarters	Freiburg im Breisgau
Location	Germany
Official language	English
President	Klaus Vajen, (University of Kassel, Germany)
Staff	7
Website	www.ises.org

The International Solar Energy Society (ISES) is a global organization for promoting the development and utilization of renewable energy. ISES is a UN-accredited NGO^[1] headquartered in Freiburg im Breisgau, Germany. Dr. David S. Renné is the current president.

ISES was established in 1954 as a global non-profit organization committed to promoting the use of solar energy. Presently, ISES operates in over 110 countries worldwide and boasts a membership that includes scientists, researchers, and individuals from various industries, solar energy associations, as well as other public and private organizations.

ISES also organizes Young ISES, a network of students and young professional ISES members connecting young solar professionals worldwide.