Performance Ratio

Performance Ratio (PR) is a quality indicator of both the energy efficiency and reliability of your PV plant.

Performance Ratio takes into account the losses from the conversion of the current from DC to AC.
This formula is used to calculate our Performance Ratio:

 

 

Degradation factor is 0.5% per year.

 

The following settings are required

  • Installation date filled in

  • Location - a resolvable address must be stored

  • Orientation and tilt in module fields

  • Inverter AC power + MPP tracker configured