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Finding Flexibility: Cycling the Conventional Fleet

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6 Author(s)
Lew, D. ; Nat. Renewable Energy Lab., Golden, CO, USA ; Brinkman, G. ; Kumar, N. ; Lefton, S.
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Adding new generation, load, or transmission to the grid changes the operation of the incumbent power system. Wind and solar generation plants are no different, but their impact on the rest of the grid is exacerbated by the facts that wind and solar energy is nondispatchable and such generators produce variable output. And because wind and solar effectively bid into the market at very low or negative cost, they are preferred resources in the dispatch stack. They are used by system operators whenever possible, unless there are generator operating limits or transmission constraints.

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Power and Energy Magazine, IEEE  (Volume:11 ,  Issue: 6 )