If you’re in San Francisco Bay Area, Fresno or Boston then you’re the lucky that can use “Project Sunroof” which can tells you how well solar energy panel would work on your roof. Google uses its maps to help calculate which solar will be the best fit.

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On the very basic level, you simply provide your address, Project Sunroof with the help of Google Maps figures out the surrounding environment and you home positioning which it then compares with other databases to create your tailored solar roof.

The project also help you figure out how much it will cost, if you buy it on loan on lease. Finally if you are will to take the plunge you’re also presented various purchase offers.