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Solar Panel Daily Energy Output Calculator

E = P_rated × PSH × η_system — daily solar yield.

Estimates daily and monthly energy output from a solar panel array from rated power, peak sun hours, and system efficiency.

Daniel Oh By Daniel Oh
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

E_day = P_kWp × PSH × η_sys (kWh/day)

In depth

Estimates daily and monthly energy output from a solar panel array from rated power, peak sun hours, and system efficiency.