The University of Freiburg is one of the best Universities in Europe and has partnered with one of the worldâs best research institutes in Solar Energy - Fraunhofer ISE Â - to provide innovative, insightful and tailored training. Learn online, next to your job and family. Our distance learning programs will broaden your knowledge, widen your skills set and greatly improve your future career prospects. Obtain a German Masters Title, or a German Certificate and boost your career in the Renewable Energy and Solar Energy fields..