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We updated all the statistics on the electricity used in households. In fact since this article was originally written many years ago, electricity consumption estimates have doubled for Americans. The recent figures, as of 2020, show that the average annual electricity consumption for a U.S. residential utility customer is 10,715 kilowatthours (kWh). If you divide that by 12 months, the average monthly electricity consumption is 890 kWh per month. What about in a single day? That would be 10,715 KWh divided by 365, or 29 kWh. Then the average daily electricity consumption is 29 kWh.

Let’s get the instantaneous electricity usage. The number of hours in a year is 365 times 24 = 8760 hours. Then on average, at any one time, your house is using 10,715 divided by 8760 hours, which is 1.22 kilowatts. The power needs of a house at any instant then is on average 1.22 kilowatts. But to be fair, there are heavy and light load fluctuations. And most of the energy use is happening during waking hours. A better approximation is to say that energy use is happening only during the day. That boosts the instantaneous power consumption up to 2.44 kilowatts.

The daytime power needs will fluctuate further. The fluctuations are caused by high load devices like washers, dryers. We’ll ignroe that for now. Read on to know how that breaks down by state for the U.S.

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