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Vic Sandler
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Here are some figures from this article.
Wiki: Electric Power Transmission
Wiki: Electric Power Transmission
Unless I made a mistake, that would be approximately 100W to 200W loss per foot.For example, a 100 mile 765 kV line carrying 1000 MW of energy can have losses of 1.1% to 0.5%
That's some 6 to 13 times as much as the percentage loss in the example above, but it doesn't tell me what is the line length or energy transmitted. Does anyone know what is the number of Watts lost per foot (or the same thing in any other units) for typical real transmission lines?Transmission and distribution losses in the USA were estimated at 6.6% in 1997 and 6.5% in 2007.