The kilowatt-hour is a composite unit of energy equal to one kilowatt (kW) sustained for (multiplied by) one hour. … See more

A widely used representation of the kilowatt-hour is "kWh", derived from its component units, kilowatt and hour. It is commonly used in billing for delivered energy to consumers by electric utility companies… See more

Electrical energy is typically sold to consumers in kilowatt-hours. The cost of running an electrical device is calculated by multiplying the device's power consumption in kilowatts by the operating time in hours, and by the … See more

In 2020, the average household in the United States consumed 893 kWh per month.
In terms of human power, a healthy adult male manual laborer performs work equal to about ha… See more

All the SI prefixes are commonly applied to the watt-hour: a kilowatt-hour is 1,000 Wh (kWh); a megawatt-hour is 1 million Wh (MWh); a milliwatt-hour is 1/1,000 Wh (mWh) and so on. The kilowatt-hour is commonly … See more

A kilowatt is a unit of power (rate of flow of energy per unit of time). A kilowatt hour is a unit of energy. Kilowatt per hour would be a rate of change of power flow with time.
Work is the amount of energy transferred to a system; … See more

Several other units related to kilowatt-hour are commonly used to indicate power or energy capacity or use in specific application areas.
Average annual energy production or consumptio… See more