Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Uploaded on Feb 10, 2012
The solar array installed in the fall of 2011 on top of BlueCross BlueShield of Tennessee's Gateway Building is the largest in the Chattanooga area. The 198.24 kilowatt system is projected to produce an average of 241,217 kilowatt-hours a year, offsetting 40 percent of the building's energy use.