The PowerWindow

Today, the estimated 100 Gigawatt of sunlight that shines through Europes 5000 km2 window area is not converted to electric power. The ambition of Physee is to develop building-integrated electricity generating multi-functional PV-Windows based on advanced luminescent thin films.

For the commercial development of the PowerWindow please visit

For BSc and MSc student project or internships related to the PowerWindow project, please look here or contact Willem Kesteloo ( or Ferdinand Grapperhaus (