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How to monitor 240v ac (US) power use? (lemmy.world)

submitted 1 day ago* (last edited 1 day ago) by AA5B@lemmy.world to c/homeassistant@lemmy.world

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Can anyone point to resources, reviews or experiences on monitoring power usage in 240v ac (US)?

Looking at the new energy dashboard features …. I have opower integration of my electricity usage and a nice graph. However most of my power usage is from a heat pump, and EV charger, and maybe a garage heater. All are 240v, larger current loads. So the new feature is something about graphing device usage with overall usage. So that would be cool to add

I started searching online and it doesn’t seem especially positive. I see a few clamp meters with integrations but also see reviews that they’re not very accurate.

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[–] dmtalon@infosec.pub 2 points 15 hours ago

It's been a little while but I did follow a guide for the emporia vue.

There are newer versions and other similar brands out there if I find the guide I used it will be fairly specific to this hardware (certainly the base code setup)

I will look tomorrow