WIOSUN GmbH & Co KG is a medium-sized company based in Saarbrücken, Germany. The photovoltaic system wholesaler was founded in 2009 by Claudia Luft, a long-standing retail sales manager at Conergy Deutschland GmbH and William Bihler, a solar technology pioneer entrepreneur (Solarzentrum Allgäu GmbH & Co. KG) and inventor.

The heart and soul of WIOSUN are 28 dedicated employees with years of experience in photovoltaics. Other than providing high-quality and innovative products, there is nothing more important to us than serving our customers!