Search for your home. Discover your solar savings potential.

See what’s possible with solar in your U.S. or Puerto Rico community.

Explore your area

How Project Sunroof Works

Your own personalized solar savings estimator, powered by Google Earth imagery.

  1. 1

    Search for your home

    We use Google Earth imagery to analyze your roof shape and local weather patterns to create a personalized solar plan.

  2. 2

    Personalize your solar analysis

    Adjust your electric bill to fine-tune your savings estimate and the recommended number of solar panels for your home.

  3. 3

    Compare finance options

    Compare loan, lease, and purchase options for your solar panels based on your results.

Customized savings estimate

Solar savings are calculated using roof size and shape, shaded roof areas, local weather, local electricity prices, solar costs, and estimated incentives over time. Using a sample address, take a look at the detailed estimate Project Sunroof can give you.

Preview of Project Sunroof solar calculations
15 Glendale Ave, Somerville, MA 02144, USA
1,479 hours of usable sunlight per year
Based on day-to-day analysis of weather patterns
497 sq feet available for solar panels
Based on 3D modeling of roof and nearby trees
$18,000 savings
Estimated net savings for roof over 20 years
Check my roof

Area-wide solar potential

Search for a city, state, or zip code to see solar potential and impact across entire geographic areas. We currently have solar data for portions of 50 states and Washington DC. See if we’ve got you covered.

Explore your area Project Sunroof coverage map

Start saving with solar