What Are Photovoltaic Windows?

A rendering of the solar-powered skyscraper designed by Australian firm Peddle Thorp Architects.

Solar windows, also called photovoltaic or solar glass windows, function as windows while also generating electricity from the sun. Solar windows’ potential impact on world energy generation is enormous. They could be utilized in myriad applications, from greenhouse glazing, to replacing conventional windows in homes, to cladding entire skyscrapers. Solar windows are among the latest developments in building-integrated photovoltaics (BIPV) in which, rather than being applied over it, the photovoltaic element is incorporated into the building’s skin itself. In this article we’ll review what solar windows are, how they work, their advantages over conventional photovoltaics, and future prospects for this rapidly emerging technology.