Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Solar Energy
Solar Roof Analysis Calculator
Estimates the peak kilowatt capacity a rooftop can support based on available area, tilt, orientation, and shading. Use it before getting installer quotes to understand your roof's realistic solar potential.
Fill in the required fields to see your result.
Solar Energy
Solar Panel Savings Calculator
Estimate your annual solar savings and net yearly return after accounting for installation costs and the federal tax credit. Use this when comparing solar quotes or deciding whether rooftop solar makes financial sense for your home.
Fill in the required fields to see your result.
Key differences
| Solar Roof Analysis Calculator | Solar Panel Savings Calculator | |
|---|---|---|
| Category | Solar Energy | Solar Energy |
| Inputs required | 5 | 5 |
| Result | Maximum System Size (kW) | Annual Net Savings ($) |
| What it does | Estimates the peak kilowatt capacity a rooftop can support based on available area, tilt, orientation, and shading. Use it before getting installer quotes to understand your roof's realistic solar potential. | Estimate your annual solar savings and net yearly return after accounting for installation costs and the federal tax credit. Use this when comparing solar quotes or deciding whether rooftop solar makes financial sense for your home. |