kilowatt hour
Electricity bill measure
A kilowatt hour is a unit of energy equal to one kilowatt of power sustained for one hour.
It is the standard measure for billing residential and commercial electricity consumption.
My electric bill showed I used 800 kilowatt hours last month.
Despite the name suggesting time, a kilowatt hour measures total energy consumed, not the rate of consumption—running a 100-watt bulb for ten hours uses one kilowatt hour.
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