Every solar user I have seen on this forum sees about a 2-5% power drop off between their inverter readings vs. Sense. I’m personally getting seeing my inverter being 3% above my Sense solar data on an hourly basis. But when I compare my Sense net usage to my meter net usage, I’m within 1%. In my mind, Sense is more accurate than the inverter since it is more consistent with my utility revenue meter.