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

Every day at your AC kicks on at random times, but when it does, there is a sudden spike of power use and its about the same power amount every time, then the spike drop off as the AC turns off after a certain amount of time. The amount of time is nearly the same since the AC kicks on at the same temp and kicks off at the same temp and the pow draw is nearly the same.

Very easy to see these power jumps.

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