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Both calculators run independently β€” change the inputs on either side to compare results.

Solar Energy

Solar Shading Loss Calculator

Quantify how much annual solar energy you lose to roof shading. Enter shading hours, affected panel percentage, and optimizer type to see real kWh losses before you install.

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

Solar Panel Output Calculator

Calculate the daily energy output (kWh) of a solar panel from its rated wattage, daily peak-sun hours, and efficiency. Use it during system sizing or to estimate production from a specific panel under your local sunlight conditions.

Fill in the required fields to see your result.

Key differences

Solar Shading Loss CalculatorSolar Panel Output Calculator
CategorySolar EnergySolar Energy
Inputs required53
ResultAnnual Energy Loss (kWh)Daily Energy Output (kWh)
What it doesQuantify how much annual solar energy you lose to roof shading. Enter shading hours, affected panel percentage, and optimizer type to see real kWh losses before you install.Calculate the daily energy output (kWh) of a solar panel from its rated wattage, daily peak-sun hours, and efficiency. Use it during system sizing or to estimate production from a specific panel under your local sunlight conditions.