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:

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