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watt
(redirected from Gigawatts)

   Also found in: Dictionary/thesaurus, Medical, Encyclopedia, Wikipedia 0.02 sec.

watt

SI unit of power (the rate of expenditure or transformation of energy from one form to another) defined as one joule per second. A light bulb, for example, may use 40, 60, 100, or 150 watts of power; an electric heater will use several kilowatts (thousands of watts). The watt is named after the Scottish engineer James Watt.

The absolute watt is defined as the power used when one joule of work is done in one second. In electrical terms, the flow of one ampere of current through a conductor whose ends are at a potential difference of one volt uses one watt of power (watts = volts × amperes).

One watt equals 0.00134 horsepower.



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Electricity generation is one of the fastest growing sectors in China with the total installed capacity increasing from 66 gigawatts in 1980 to 420 gigawatts in 2004.
The company's generating assets include interests in 116 facilities totaling over 45 gigawatts of capacity, in 27 countries.
 
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