Oh, and one other that I have used: https://www.brultech.com/greeneye/ https://www.brultech.com/greeneye/ I had one of these in my old house. A little older

Oh, and one other that I have used: https://www.brultech.com/greeneye/ https://www.brultech.com/greeneye/ I had one of these in my old house. A little older tech, and I had my own code on a raspberry pi getting to data and putting it into influx. The IotaWatts are much more plug and play, but still it is an option for the DIY.