Winfried Hoffmann

Solar-Fabrik AG engages in the manufacture, development, and sale of solar power systems and equipment. The company was founded by Georg Salvamoser on May 2, 1996 and is headquartered in Freiburg, Germany.

Helmholtz-Zentrum Berlin für Materialien und Energie GmbH engages in research activities focusing on energy materials. It operates large-scale scientific research facilities, in order to perform experiments on photovoltaics, solar fuels and catalysis, energy-efficient information technologies, thermoelectrics, electrochemical energy storage, and accelerator development. The firm also provides job training programs. The company was founded on January 1, 2009 and is headquartered in Berlin, Germany.

The Institut für Solarenergieforschung GmbH is a research institute located in Emmerthal, Germany. The German company promotes the use of solar energy through applied research and the training of young people in the areas of "photovoltaics" and "solar systems". The company cooperates with industry, other research institutions, and universities and are an institute of the Leibniz University of Hanover. The company ultimately controlled by the State of Lower Saxony. The CEO of the company is Rolf Brendel.

Part of Fraunhofer-Gesellschaft eV, Fraunhofer-Institut für Solare Energiesysteme ISE is a research institute based in Freiburg, Germany. The German company conducts research for energy sustainability purposes.

Zentrum für Sonnenenergie- & Wasserstoff-Forschung Baden-Württemberg (ZSW) is a research and development center based in Stuttgart, Germany. and has subsidiaries in Germany. The German company's main goal is to conduct research and development for sustainable and climate-friendly provision of electricity, heat, and renewable energy. The private company also aims to implement research and development results into marketable products through technology transfer and provide advice to political decision-makers and professional associations.