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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 use an Emporia Vue device, it uses an ESP32 internally and you can find instructions on how to flash it with esphome code onto it. No cloud dependency, just wifi.
You can get various kits for one/two/three phase mains, and monitor up to 16 individual circuits via passive current clamps.
Thanks for the tip! Installed a Flukso meter several years ago, but it looks like the project is eol.
Always great to have an alternative option.