SolarWorld is a German company dedicated to the manufacture and marketing photovoltaic products worldwide by integrating all components of the solar value chain, from feedstock (polysilicon) to module production, from trade with solar panels to the promotion and construction of turn-key solar power systems. The group controls the development of solar power technologies at all levels in-house. SolarWorld AG is listed on the Frankfurt Stock Exchange, the Photovoltaik Global 30 Index and the ÖkoDAX. SolarWorld was founded in 1988 as individual company by engineer and chief executive officer Frank Asbeck, and engaged in projects to produce renewable energy. In 1998, these activities were transferred to the newly founded SolarWorld AG, which went public on 11 August 1999.