Most (all?) smart meters' payload is unencrypted, and can be read with a $20 software-defined radio: https://github.com/merbanan/rtl_433 https://github.com/mer

Most (all?) smart meters' payload is unencrypted, and can be read with a $20 software-defined radio: https://github.com/merbanan/rtl_433 https://github.com/merbanan/rtl_433 I now have my electric, gas, and water readings going into Home Assistant - the hardest part of setting this up was figuring out which meter serial numbers were mine, and which belonged to my neighbors.