What are the drawbacks of controlling the MPPT on the inverter in a PV system which is connected to the load without a charge controller and batteries.
I think you should consider that if you make it you will not probably obtain the best performance of the system since you are not reajusting the MPP point of the panel, you will be altering the power supplied to your facility, nonetheless, you will be wasting energy due the absence of a power enhancer on the PV.