Dispatchable generation

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Dispatchable generation refers to sources of electricity that can be dispatched at the request of power grid operators, that is, turned on (or off) at on demand. This should be contrasted with certain types of base load generation capacity, such as nuclear power, which may have limited capability to maneuver or adjust their power output, or intermittent power sources such as wind power which cannot be controlled by operators.

The time periods in which dispatchable generation plant may be turned on or off may vary, and be considered in time frames of minutes or hours.