Solar panels and solar windows serve different purposes and complement each other beautifully. The transparent solar panels will be able to produce up to about 50% of the power of rooftop solar per given surface area. We do not see our product as a replacement for rooftop solar, but rather as a complement. If you have the option to install solar panels on your roof, you should. If you can install transparent solar windows, you should. It’s a win-win.