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Panel Degradation Loss Per Year Calculator
See how much power your solar panels lose each year and what they'll produce in the future.
Input Your Specs
Typical rates:
Results
Enter your specs to project panel degradation
Why Panels Degrade
UV Exposure
Continuous UV light slowly breaks down the semiconductor material, reducing power output over time.
Thermal Cycling
Daily heating and cooling causes micro-cracks in cells and solder joints, decreasing efficiency.
Potential-Induced Degradation
Voltage stress between cells and frame can cause leakage currents that reduce output.