PV systems
PV Array and Inverter Ratio Calculator
Calculate the DC photovoltaic array to AC inverter size ratio from entered equipment ratings.
Systems worksheet
Calculation inputs
kW
kW
Calculated result
1.2 ratio
Planning estimateConfirm equipment ratings, manufacturer limits, adopted code requirements, and system-specific calculations before installation.
Method and field check
DC to AC ratio is array kW divided by inverter kW. Check module temperature, clipping, inverter limits, and manufacturer design rules separately.