Kilowatt Hour (kW•h or KWH or kw hr)
Kilowatt Hour (kW•h or KWH or kw hr) :
A commercial unit of electric energy. One kilowatt hour represents the amount of energy delivered at a rate of 1000 watts over a period of one hour. Since the watt is 1 joule/sec and there are 3600 seconds in an hour, the kilowatt hour is equivalent to exactly 3.6 megajoules of energy, or about 3412.141 Btu, 859.846 (kilogram) Calories, or about 2.655 million foot pounds
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