Since 2007, deanSolar is the solar energy division for the deanGruppe. The solar division's main office is located in at the corporate headquarters in Neustadt am Rübenberge near Hanover. An additional office is located in Düsseldorf. Both offices manage projects in Germany and abroad. deanSolar also founded a subsidiary in Southern Italy (Scorrano, Apulia), where a dedicated staff manages local solar plants.