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Both calculators run independently — change the inputs on either side to compare results.

Solar Energy

Solar Panel Degradation Calculator

Project how much energy your solar panels will produce in any future year as their output gradually declines with age. Use it to model long-term performance, verify warranty compliance, and forecast lifetime energy generation.

Fill in the required fields to see your result.
Solar Energy

Solar Panel Tilt Angle Calculator

Find the ideal mounting angle for your solar panels based on your geographic latitude and the season you want to optimize. Use this when planning a fixed-tilt roof or ground-mount installation to maximize annual energy yield.

Fill in the required fields to see your result.

Key differences

Solar Panel Degradation CalculatorSolar Panel Tilt Angle Calculator
CategorySolar EnergySolar Energy
Inputs required33
ResultProduction After Degradation (kWh/year)Optimal Tilt Angle (degrees)
What it doesProject how much energy your solar panels will produce in any future year as their output gradually declines with age. Use it to model long-term performance, verify warranty compliance, and forecast lifetime energy generation.Find the ideal mounting angle for your solar panels based on your geographic latitude and the season you want to optimize. Use this when planning a fixed-tilt roof or ground-mount installation to maximize annual energy yield.