America’s Tallest Skyscraper Becoming a Solar Farm
The windows called high power density photovoltaic glass units are being made by Pythagoras Solar. They will retain views and daylighting for the floor, reduce heat and produce as much electricity as a traditional solar panel. The windows consist of monocrystalline silicon solar cells sandwiched between two layers of glass with an internal prism that directs the sunlight onto the solar cells, while letting diffuse light through. The result is a cooler, natural lighting environment inside the skyscraper and a more efficient solar panel.
The windows are part of a bigger project by the tower’s owner and Pythagoras to show the benefits of a building integrated PV system (BIPV). For large towers all over the world, this could be a key component in both energy efficiency and renewable energy production.
- Willis Tower to get greener windows (ubergizmo.com)
- Chicago’s Willis Tower To Become Vertical Solar Farm (hardware.slashdot.org)
- Chicago’s Willis Tower to get solar windows (gizmag.com)
- Solar Panels For The Horizontally Challenged (lockergnome.com)
- Willis Tower goes solar (physorg.com)