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Kilowatt hour (kWh)

Kilowatt hour (kWh)

A unit of work, being the work done in one hour at the rate of 1,000 watts. (099)The commercial unit of electricity energy equivalent to 1000 watt-hours. A kilowatt-hour can best be visualized as the amount of electricity consumed by ten 100-watt bulbs burning for an hour. One kilowatt-hour equals 3.6 million joules . Kilowatt-hour = 1 x 103 Wh