Chicago’s iconic Willis Tower (formerly the Sears Tower) is set to become a massive solar electric plant with the installation of a pilot solar electric glass project.
The high-profile project on the south side of the 56th floor will replace the windows with a new type of photovoltaic glass developed by Pythagoras Solar, which preserves daylighting and views while reducing heat gain and producing the same energy as a conventional solar panel.
Source: Inhabitat
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