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Project Sunroof

posted by Jason Kottke   Aug 18, 2015

Google’s latest project is called Project Sunroof. Sunroof utilizes Google Earth data to estimate the solar energy potential of buildings.

Enter Project Sunroof, my recent 20% project. Project Sunroof is a new online tool we’re testing to help homeowners explore whether they should go solar. Available in the San Francisco Bay Area, Fresno (in central California), and the Boston area for now, the tool uses high-resolution aerial mapping (the same used by Google Earth) to help you calculate your roof’s solar energy potential, without having to climb up any ladders.

If you’re in one of our test regions, simply enter your address and Project Sunroof will crunch the numbers. It first figures out how much sunlight hits your rooftop throughout the year, taking into account factors like roof orientation, shade from trees and nearby buildings, and local weather patterns. You can also enter your typical electric bill amount to customize the results. The tool then combines all this information to estimate the amount you could potentially save with solar panels, and it can help connect you with local solar providers.

Google still has 20% time?