Kilowatt-hour

A kilowatt-hour is a non-SI unit of energy equal to 3. 6 megajoules (MJ) in SI units, which is the energy delivered by one kilowatt of power for one hour. Kilowatt-hours are a common billing unit for electrical energy supplied by electric utilities.

Metric prefixes are used for multiples and submultiples of the basic unit, the watt-hour.

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Source: Wikipedia · Image: Wikimedia Commons · CC BY-SA 3.0

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