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How the rooftop solar calculator works:
- We analyze your roof for solar suitability
- You enter your energy history and goals
- We show potential savings and next steps
California CCPA notice: We collect your address, energy, and home info for analysis and may send you direct mail to follow up. Privacy policy
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Next, find out if solar makes financial sense
Adjust your scenario
Enter your address to see WattBuild's solar score for your roof, then share your historical power usage to understand whether solar makes financial sense.Enter your address on the Site tab to see your solar savings potential
Last updated: February 12, 2026
