Enter your zip code to find rebates and get your cost of solar

How many solar panels does your house need? Based on the details of your house and personal electricity usage, this calculator will tell you the system size and approximate price after federal and local rebates of solar panels for your house.

We believe that this is the most accurate solar pricing calculator you’ll find, but keep in mind that the numbers are just an estimate. For a true price, fill out our form to get competing quotes from qualified local installers.

Just learning about solar? Read Buying Solar For Your Home: The Complete Guide

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Note: The Solar Nerd calculator is currently only available for the United States.