18 kW Solar System Energy Production Calculator (3.5 Peak Sun Hours)
Calculate daily, monthly, and annual kilowatt-hour (kWh) power output, electricity bill offset savings, and CO2 emissions reduction for a 18 kW residential solar installation receiving 3.5 peak sun hours daily.
Formula & Calculation Logic
Daily kWh = System kW × Peak Sun Hours × System Efficiency (0.80)
Inputs used by this tool
Enter values in the interactive controls when the page loads. The result depends on the assumptions and units shown for each field.
Input type: number
Input type: number
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