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Units

kWh (Kilowatt-hour)

A unit of energy equal to using 1,000 watts for one hour. Your electricity bill is measured in kWh. The average US home uses about 900 kWh per month.

Example

If you run a 100-watt light bulb for 10 hours, you use 1 kWh of electricity.

Related Terms

WattElectricity RateEnergy Consumption