PV Module Degradation Impact Calculator

Region presets, currency selector, performance ratio & degradation model variants — single HTML tool
Will be set by region preset but you can override manually.
Enter price in selected currency (e.g., 0.25 USD/kWh)

Summary & Charts

Run simulation to see outputs.

Standard Comparison

Year-by-Year Table

YearModule Eff (%)PRAnnual Prod (kWh)Lost vs 0% (kWh)Annual Loss (currency)Cumulative Loss (currency)
Designed for installers, investors & analysts — change Specific Yield to match local resource. © solvebility.com
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Written by Nouman Ahmed

Civil Engineer  •  Solar Energy Consultant  •  Software Developer

Nouman is the founder of Solvebility, with practical experience in solar PV system design, engineering calculations, and calculator development since 2011. This tool was built by Nouman and reviewed by the Solvebility engineering team to verify formulas, assumptions, and calculation accuracy before publication — and is updated whenever industry standards change.

15+ Yrs Experience Solar PV Design Electrical Calculations Reviewed by Team