In my setup the grid is only connected to my MultiPlus-II's. My house is only connected to the AC Out 1's on the Multis: In this setup, the readings are inconsistent:
Question: Do I really need the EM24 energy meter? What is it - in my setup - good for? Is it required by german regulations?
I ask because when I set the grid metering in ESS to Inverter/Charger the inconsistent display is gone: