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watt-hour
(redirected from kilowatt hour)

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia 0.03 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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5 cents per kilowatt hour on Ontario Power Generation assets, since it generates about 73 per cent of the total energy in the province.
Business groups, especially the California Manufacturers & Technology Association, wanted this "exit fee" to be set at below 1 cent per kilowatt hour, while consumer groups pushed for 5 cents per kilowatt hour or even more.
Because it gets cheaper prices under an interruptible-service contract, the district's power rate jumps from 8 cents a kilowatt hour to $9.
 
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