Kill-A-Watt Meter
Prelude:
I first ventured down the path of energy monitoring in the Winter of 2006. I was living in a 2 bedroom apartment with a friend and our electricity bills were outrageous! For instance, the kWh usage from 12/06-2/07 compared to the same months in '08-09 in my new and bigger town-home (I moved) is as follows: