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watt-hour
(redirected from kilowatt-hour)

   Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson 0.01 sec.

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.


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You've set your budget for the year, but, like a cold wind blowing across the western plains, your electricity supplier socks you with a two-cent increase per kilowatt-hour which translates to a whopping 30-40% percent increase in your total energy costs.
8 cents per kilowatt-hour, with an average monthly bill at $49.
37 cents per kilowatt-hour will remain in effect through April 30, 2007.
 
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