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Solar Energy Production Calculator

Daily, monthly, and yearly kWh your array will produce.

Inputs

Inputs and assumptions

DC array size.

Site peak sun hours per day.

Soiling, wiring, inverter, shading.

100 south-facing tilt=latitude; less otherwise.

Result

Annual production
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Daily production
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Monthly production
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What to check

  • System kW
  • Peak sun hours
  • Loss and orientation factors

Related calculators

This calculator is a first-pass screening tool. Verify your utility tariff, metered usage, equipment specifications, and installer quotes before making a decision.

Saved calculations

Keep the assumptions with the result.

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