symbols, acronyms & abbreviations

MW

megawatt: mega- (an SI prefix meaning 1 million) + watt, = 1,000,000 watts. Used without a period. A symbol in SI, the International System of Units.

In power plant engineering, MWe is the symbol for the power output as megawatts of electricity, and MWt or MWth is the symbol for the several times larger thermal output.

authority

Barry N. Taylor and Ambler Thompson, editors.
The International System of Units (SI) pdf logo
NIST Special Publication 330, 2008 Edition.

“United States version of the English text of the eighth edition (2006) of the International Bureau of Weights and Measures publication Le Système International d’ Unités (SI)” This publication is the definitive guide for the United States, but the ultimate authority is the original, French version. See Section 2.1.2 and table 1, page 9.

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