Project Sunroof is a solar calculator from Google that helps you map your roof’s solar savings potential. Learn more, get an estimate and connect with providers.

Enter a state, county, city, or zip code to see a solar estimate for the area, based on the amount of usable sunlight and roof space.

Learn about the components of a home solar installation, factors that determine solar savings, and the positive long-term impacts on your property.

We define technical potential to include the energy generation from all solar panels (calculated as described above) that generate at least 75% as much energy as an ideally oriented and …

Enter a state, county, city, or zip code to see a solar estimate for the area, based on the amount of usable sunlight and roof space.