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 Carbon Offset Calculator
Estimates the annual CO2 emissions avoided by your solar PV system, using your yearly production in kWh and the grid emission factor it displaces. Useful for sustainability reports, REC quantification, and household carbon-footprint dashboards.
Fill in the required fields to see your result.
Key differences
| Solar Roof Analysis Calculator | Solar Carbon Offset Calculator | |
|---|---|---|
| Category | Solar Energy | Solar Energy |
| Inputs required | 5 | 2 |
| Result | Maximum System Size (kW) | Annual CO2 Reduction (tonnes) |
| 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. | Estimates the annual CO2 emissions avoided by your solar PV system, using your yearly production in kWh and the grid emission factor it displaces. Useful for sustainability reports, REC quantification, and household carbon-footprint dashboards. |