Google’s Project Sunroof, which estimates whether homes get enough sunlight to switch over to solar power, is launching in Germany today. It’s the first time Sunroof has expanded outside the US, where it finally reached all 50 states earlier this year after launching in 2015.

But as with its US coverage, Google’s estimates don’t reach all — or even most — homes in Germany. Its coverage is limited to densely populated areas, like Munich and Berlin. Google says that around 7 million Germany homes are covered, or about 40 percent of the country’s homes.

Still, the tool serves as an extremely simple way to quickly look up whether your house — assuming it’s covered — could install solar panels to cut down on the energy bill. Right now,…

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