Generating electricity from photovoltaic panels is one of the technologies that has seen the most growth worldwide in recent years. And the future holds even more promise. For several years now, various initiatives have been underway to use transparent cells—which can serve as windows in different types of buildings—to generate electricity. One of the most promising technologies in this area is that of transparent solar luminescent concentrators (TLSCs), developed by the University of Michigan, which can be tuned to absorb ultraviolet and near-infrared wavelengths and thus generate enough electricity to power part of a building’s lighting and operate small devices. Other similar projects include those by the Italian state-owned oil company ENI—developed in collaboration with MIT—and the Australian company ClearVue, both of which are seeking to enter the market. The technology is in its early stages, and research is currently focused on achieving greater efficiency in converting light into electricity.