Extensive information on Solar Thermal, Photovoltaics, Solar Buildings and Renewables in German and English
Dear Visitor, you have now entered the probably biggest international data base for fotovoltaic + solar electricity.
Free of Charge Online Calculation, Software Programmes for Design and Calculation of Solar Systems ( TSOL, PVSOL)
Information on renewable energy and climate protection with articles, photos, statistics, software and more
Polysun is a simulation tool for solar water/space heating, photovoltaics and heatpumps (air and watersystems)