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→Trends in the use of Energy Resources
: To meet the changing demand for [[electricity]] companies must be able to increase or decrease the amount of [[energy]] needed quickly.
The following '''energy resources''' can be used to quickly increased or decreased [[electricity]] production to meet the demands:
*[[Coal]] - The amount burned can be changed over a period of hours.
*[[Crude Oil]] - The amount burned can be changed over a period of minutes.
*[[Natural Gas]] - The amount burned can be changed at a moments notice.
*[[Nuclear Fuel]] - The rate of [[Nuclear Reaction|reaction]] can be changed quickly.