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Whole home energy monitor
(infosec.pub)
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
I just got a 6 channel from Circuit Setup and it's pretty great. I still want to do some tweaking to make sure it's calibrated but so far so good. I'm waiting for some smaller current transformers to come back in stock.