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megawatt

American  
[meg-uh-wot] / ˈmɛg əˌwɒt /

noun

Electricity.
  1. a unit of power, equal to one million watts. MW


megawatt British  
/ ˈmɛɡəˌwɒt /

noun

  1.  MW.  one million watts

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

megawatt Cultural  
  1. A unit of power: one million watts. A typical large electrical generating plant can produce a thousand megawatts of electricity.


Etymology

Origin of megawatt

First recorded in 1895–1900; mega- + watt

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Costs for large-scale solar projects increased to an average of $69 per megawatt hour, up from $58 last year, according to Lazard.

From The Wall Street Journal Jul. 24, 2026

The August 2026 TTF contract was trading at a premium of around 1.75 euros a megawatt hour to winter 2026 on Monday.

From The Wall Street Journal Jul. 15, 2026

Firmus partnered with Nvidia for an eight-year deal to build a 360 megawatt AI facility, procuring up to 170,000 GPUs.

From Barron's Jun. 29, 2026

But unlike in Virginia, Texas, Ohio and other states where residents are fighting 400-plus megawatt hyperscaler facilities in their backyards, California has some major barriers keeping data centers at bay.

From Los Angeles Times Jun. 23, 2026

And then that megawatt smile that belonged on cereal boxes across the nation reappeared.

From "Beauty Queens" by Libba Bray

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