You can now check if your neighbors have installed solar panels on their rooftops, thanks to a new feature in Google’s Project Sunroof. The free online tool has been around for a couple years, allowing users to check whether installing solar panels could cut their energy bill. Now, if you zoom in on the satellite map, a red dot will indicate homes and buildings that have solar panels.

Project Sunroof launched in 2015, even expanding outside the US earlier this year. The tool tells you how much sunlight hits your rooftop, how much you could save by installing solar panels, and gives you information on local panel providers to do the installation. The new feature now tells you whether your neighbors are already harnessing the power of the…

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