Solar Shading Analysis Calculator
Estimate production losses from shading on your solar array.
Inputs
kW
hrs
%
hrs
hrs
Results
Production Loss
12%
Actual Production
12,672 kWh/yr
Energy Lost1,728 kWh/yr
Unshaded Production14,400 kWh/yr
How to Use This Calculator
- Enter the solar panel array dimensions and tilt angle.
- Input the height of nearby obstructions (trees, buildings, chimneys) and their distance from the array.
- Set your latitude and the time periods of interest (e.g., winter solstice morning).
- Review the shading impact percentage on annual energy production.
- Even partial shading on one panel can significantly reduce string output — consider microinverters or optimizers.
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