Thanks @rolandbreedveld ! Managed to update my history thanks to your queries. It was a bit of a puzzle, since I didn't manage to do it directly the day after. I exported some of the metrics to influx, but only for gas was I able to accurately recalculate the exact values... ah well :-) Tip: the ...

My meter is also replaced. It does read from the new so I suppose the auto detect M-bus channel works just fine.

Is there a way to fix this:

Month Cost Usage
12. December -6944.850 -14463.34