Load curve

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Typical seasonal loads of electric utilities in Eastern New England Division in 1919. United States Geological Survey, 1921. Image courtesy of the National Museum of American History from Powering a Generation of Change
Typical seasonal loads of electric utilities in Eastern New England Division in 1919. United States Geological Survey, 1921. Image courtesy of the National Museum of American History from Powering a Generation of Change

A load curve is a chart showing the amount of electrical energy customers use over the course of time. Power producers use this information to plan how much electricity they will need to make available at any given time. Teletraffic engineering uses a similar load curve.

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