The kilowatt-hour (symbol kWh, kW⋅h or kW h) is a derived unit of energy equal to 3.6 megajoules. If the energy is being transmitted or used at a constant rate (power) over a period of time, the total energy in kilowatt-hours is the power in kilowatts multiplied by the time in hours.
https://en.wikipedia.org/wiki/Megawatt-hour
› a unit for measuring electric power, with the value of 1,000,000 watts. Thesaurus: synonyms and related words. Electricity - units. a. amp. amperage. coulomb. electron.
http://dictionary.cambridge.org/dictionary/english/megawatt
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http://dictionary.cambridge.org/dictionary/english/megawatt
The earliest citing of the megawatt in the Oxford English Dictionary (OED) is a reference in the 1900 Webster’s International Dictionary of English Language. The OED also states that megawatt appeared in a 28 November 1947 article in the journal Science (506:2).
http://definedelectric.com/basic-definitions-watt/
megawatt definition. A unit of power: one million watts. A typical large electrical generating plant can produce a thousand megawatts of electricity.
http://www.dictionary.com/browse/megawatt
The kilowatt-hour (symbolized kW⋅h as per SI) is a composite unit of energy equivalent to one kilowatt (1 kW) of power sustained for one hour. One watt is equal to 1 J/s. One kilowatt-hour is 3.6 megajoules, which is the amount of energy converted if work is done at an average rate of one thousand watts for one hour.
https://en.wikipedia.org/wiki/Megawatt-hour
A megawatt is one million watts. This 180- to 190-mile line, projected to carry 1,200 megawatts, will carry electricity to approximately one million homes. It would take 1,500 wind turbines spread over 20 square kilometers to produce the same electricity as a 1,000 megawatt nuclear power station. A megawatt is one million watts.
https://www.collinsdictionary.com/dictionary/english/megawatt
Watts per hour (W/h) is a unit of a change of power per hour. It might be used to characterize the ramp-up behavior of power plants. For example, a power plant that reaches a power output of 1 MW from 0 MW in 15 minutes has a ramp-up rate of 4 MW/h.
https://en.wikipedia.org/wiki/Megawatt-hour
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https://www.merriam-webster.com/dictionary/megawatt
Contemporary Examples. 1  A 110 megawatt plant in Nevada promises 10 hours of storage. 2  Arrayed over four acres, the 3,500 panels have a combined generation capacity of one megawatt. 3  megawatt 1980s and 1990s designer Adrienne Vittadini gave $250 to the RNC in 2001.
http://www.dictionary.com/browse/megawatt
megawatt definition
A megawatt is a unit of power, one million watts. A megawatt is a unit of power, equal to one million watts.