# watt-hour

(redirected from Kilowatthour)
Also found in: Dictionary, Thesaurus.
Related to Kilowatthour: KWHR, Megawatt hour

## watt-hour

[′wät ¦au̇r]
(electricity)
A unit of energy used in electrical measurements, equal to the energy converted or consumed at a rate of 1 watt during a period of 1 hour, or to 3600 joules. Abbreviated Wh.

## watt-hour

A unit of work equal to 3,600 joules; equivalent to the power of 1 watt operating for a period of 1 hour.

## watt-hour

The power utilization for one hour measured in watts. Abbreviated "Wh," it is widely used to rate how long it takes for a battery to discharge. For smaller batteries, a milliwatt-hour (mWh) rating is used. For example, a 500 mWh battery means it will release 500 watts at a specific voltage for one hour before it is discharged. See ampere-hour and watt.
References in periodicals archive ?
6 percent to 3,800 billion kilowatthours in 2000, due to economic growth, weather-related increases in sales to residences, and other factors.
35 per kilowatthour by Aklan Electric Cooperative; P1.
d) Electricity net generation in kilowatthours (kWh) multiplied by 3,412 Btu/kWh, the heat content of electricity (see Table A6).
The report said the project " will have two power stations with a combined generation capacity of 42 megawatts" and are " designed to generate 85 million kilowatthours of electricity each year".
Consider an average electric car uses about 15 kiloWatthours (kWh) of electricity to drive 100 kilometres, costing about pounds 1.
In fact, all domestic meters measure the instantaneous current and voltage and integrate this over time to give the energy consumption, with a reading in kilowatthours.
Department of Energy, if consumers replace their conventional holiday lights with eco-friendly LEDs, 2 billion kilowatthours of electricity could be saved each month, enough energy to power 200,000 homes for one year.
Yet the association expects wind to generate 48 billion kilowatthours in 2008, just over I percent of all U.
The households could have saved more than 73 billion kilowatthours of electricity and 627 billion gallons of water that year if their energy efficiency had been comparable to that of married households.
Venezuela generates 100 bn kilowatthours (Bkwh), up from 99.

Site: Follow: Share:
Open / Close