Solar Power System Calculator

Estimate PV array size and battery capacity from your energy use.

System input

System Mode

Monthly Consumption

kWh/mo

Average Sunlight Hours

h/day

System Efficiency

Panel Wattage

Calculation Results

Array Size

kW Required

–

Number of Panels

Count

–

Disclaimer: This calculator provides approximate values for planning purposes only. Always verify results against relevant standards and consult a licensed electrical professional before installation.