PV generator output 9.43 kWp
Specific annual yield 695.83 kWh/kWp
Plant utilization ratio (PR) 74.64 %
Yield reduction due to shading 5.5%/year
PV generator energy (AC grid) with battery 6.346 kWh/year
under yield it says annual yield is 6,346 kWh per year and not 9.43*695.83=6561.67 why?