Founded in 1999, PSE is a technology company with specialized expertise in test equipment. We have almost 20 years of experience in building test facilities, developing new test methods and implementing turnkey laboratories around the world. As a spin-off of the Fraunhofer Institute for Solar Energy Systems ISE, PSE is closely linked to research. We continue to develop the state of the art in testing equipment and help to ensure quality in renewable energy technology, which in turn builds confidence in the market. Today, our company continues its mission to help make renewables a global success. Our equipment is used around the world.