renstur@coopnet:~/blog$ ls -lt ./topics/metering/
metering/
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Three power meters in Home Assistant and only one gets to be the total
My three brands of power meter in Home Assistant never quite agreed. I made the solar gateway at the mains, plus the battery's output, the only total, used every clamp for breakdown, guarded the subtraction and averaged before comparing. The leftover gap is an error bar, not a hidden load.