My utility company told me they could do this, but I know for a fact they cannot. My power meter broadcasts its instantaneous reading in short plain text packets at a frequency once every few seconds. They told me all my power usage was hot water. I’m sure it’s HVAC and computers, which didn’t even show up in their list.

The ones on Amazon are intended to run GPUs for crypto farms, but they’re all brands you’ve never heard of with dubious claims and they’ve all got at least one review where either the device was defective or something was installed incorrectly and it caused damages.

I did this but buying these on Amazon is scary. Try to find one that won’t burn your house down.