Solar panel energy
Solar panel energy: use array rated power, peak sun hours per day, system performance ratio. Review the formula, worked example and calculation steps.
Inputs
Use the units shown—
Enter your values and select Calculate.
Formula & explanation
Daily energy = rated kW × peak sun hours × performance ratio/100
Variables & units
- Array rated power
- kW · minimum 0, maximum 1000000000000
- Peak sun hours per day
- h/day · minimum 0, maximum 24
- System performance ratio
- % · minimum 0, maximum 100
Worked example
Use the example inputs to explore this model; the solution shows each supplied quantity.
Assumptions
Supplied peak sun hours and performance ratio; no location-specific irradiation or financial return is inferred.
Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.
Practice with an example
Use the default input values to find the answer. The reset icon restores those values.
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