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Home Assistant is open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Available for free at home-assistant.io

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Shelly relays for energy monitoring (forum.uncomfortable.business)

submitted 5 months ago by [email protected] to c/homeassistant

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I'm wanting to add a bunch of energy monitoring stuff so I can both track costs, and maybe implement automation to turn stuff on and off based on power costs and timing.

I'm using some TPlink based plugs right now which are like, fine, but I'm wanting to add something like 6 to 10 more monitoring devices/relays.

Anyone have experience with a bunch of shelly devices and if there's any weird behavior I should be aware of?

Assume I have good enough wifi to handle adding another 10 devices to it, but beyond that any gotchas?

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[–] [email protected] 2 points 5 months ago

I've done this and it works well. I'm upgrading to some pro 3s for mains and AC circuit monitoring. The Shelley em does a good job but I'm looking for a quicker response cases and want to monitor individual AC circuits. The 1pm works well for larger device monitoring and control. I was using it to control a hot water system but it had a short life as it was quite hot where I installed it. I coupled it with the add-on to monitor hot water temps to turn it on and off. I also use them to monitor water pump temps for the pool and an irrigation pump. I use home assistant for energy use visuals and control as find my old phone is slow to load the Shelly app. I still use the original wifi plugs (similar to U) as I still like controlling random devices like tv and screen time.