A kilowatt-hour (kWh) is a unit of energy equivalent to one kilowatt (1 kW) of power used for one hour. It is commonly used as a billing unit for energy consumption by electric utilities. To break it down: - **Kilowatt (kW)**: This is a measure of power. One kilowatt is equal to 1,000 watts. Power is the rate at which energy is used or produced.
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