products
The eGauge is an energy monitor that uses power line communication to send data from your home's breaker panel over your home's electrical wiring to the HomePlug adapter, and then to your computer through a wireless modem.
From the eGauge overview page:
"eGauge is an affordable, flexible, secure,...
The PowerCost Monitor (PCM) is a whole home energy monitor that "reads" your electrical meter on the outside of your home.
From the Amazon description: "The PCM technology consists of two discrete functional units: A detection unit, known as the sensor unit, attaches to an existing household...