PV Glass Curtain Wall: Turn Facades Into ROI Assets

PV Glass Curtain Wall: Turn Facades Into ROI Assets A photovoltaic facade on a municipal building in Madrid. Photo: Hanjin, CC BY-SA 3.0, via Wikimedia Commons. Quick answer: A PV glass curtain wall uses glass with solar cells laminated inside it as the building’s outer skin. It keeps out wind and rain like normal glazing, and it also makes electricity. You pay more than for standard glass up front. The extra cost shrinks when you subtract the glazing you no longer buy. Whether the project pays back in 4 years or 30 depends mostly on three numbers: net extra cost, annual yield, and your power price. The worked model in […]