PICKING THE BEST HOUSES FOR SOLAR
Sun Number rates homes' rooftops for solar panels
David Shaffer, November 19, 2013 (Minneapolis Star-Tribune)
“…Sun Number, a start-up company that’s expanding in Minnesota, is using massive databases and web-based tools to help homeowners and solar panel installers determine whether millions of U.S. buildings get enough sun to make rooftop solar power worthwhile…[The technology] relies on aerial mapping known as Lidar that takes a three-dimensional snapshot of the landscape, accurately depicting tree and building heights, roof angles and other features…Using sophisticated 3-D analytics, Sun Number has rated the solar potential for 7.5 million properties in eight metropolitan regions…In places where the analysis is done, a free tool at sunnumber.com allows people to type in an address and see a score from 0 to 100 for a rooftop’s solar potential. Any score above 70 is worth considering for solar panels…” click here for more
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