Solar Panel Sizer

Solar Panel Sizer – Design Your
Perfect Solar System

Take the guesswork out of solar system design. This free Solar Panel Sizer tool helps you calculate the exact number of solar panels, battery capacity, and inverter size needed based on your daily energy use and sunlight availability. Whether you're building an off-grid setup or upgrading a rooftop system, SurgePV makes it simple.

Solar Panel Sizer

Solar Panel Sizer

Appliance Qty Voltage (V) Power (W) Hrs/Day Days/Week Wh/Day % of Total