Unexplainable Grid to Consumption at night - not comnsumed from Battery

[mac]

@Msperl

but I find this behaviour annoing (and an unnecessary waste of money)

I agree, but i fail to find a better system that works out of the box.

@Msperl

Some hints on which logs on my GX/VenusOS device would explain the behaviour of DESS would also be appreciated!

Seeing you use home assistant maybe this thread can be of help. That way you can log what the DESS strategy is in home assistant.