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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Smart meters will monitor how much power is being consumed at a specific time and then use that number to make an educated guess, for example most microwaves are around 1000 watts, AC around 2500 watts, water heater 3500, etc.
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