How does my electric company know what exactly is using the electricity?

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Looking at my electric bill, there’s a section saying “this percent came from [ex: Air conditioner, major appliances (fridge, oven), etc]”. How do they know that?

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Anonymous 0 Comments

I was looking at my “home energy report” tonight as I was tossing mail in the shredder. What’s with the assertion that my home uses 5x KWH compared to average homes in my area? and about 7x as much as an “energy efficient home”? I remember reading something, I think it was in a Malcolm Gladwell book, about the effect of hanging flyers on doorknobs informing residents they were either below, at, or above their neighbors in terms of electric consumption, and they reviewed the results of the household’s subsequent energy use based upon the comparison they fed the household. Is this just a psychological trick, or actually correct? I work for the State in welfare, so I see a lot of electric bills, and mine isn’t that much crazier than most, but I will admit the bills I usually see are from the bottom of the socio-economic rungs, so my samples may be skewed.

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