Solar Panel Sizer PV kW

Solar Panel Sizer — PV System Sizing by Peak Sun Hours # What it does Calculates the number of panels, system size in kW, annual & monthly production, and roof area requirements for residential and commercial photovoltaic systems. # Features - Daily energy consumption (kWh) input - Peak sun hours by location - 7 panel presets: mono 250-500 W and bifacial 600 W - Grid-tied, off-grid, hybrid system types - System loss factor (10%-25%) - Roof area sufficiency check (sq ft) - Annual & monthly kWh production estimate - Peak-sun-hours method with NREL TMY-derived state data # Made for Solar installers, PV system designers, electrical contractors, EPC engineers, NABCEP exam candidates. # Optional Pro Upgrade — $2.99 one-time The following features require a separate one-time in-app purchase. They are not required to use the calculator: - Calculation history (saved & searchable) - PDF report export with NEC references - Dark theme - Ad-free experience