Automatic Generation Control

AGC. Automatic regulation of the power output of generators.

Last Updated:  June 22, 2025

Version:  1.0.0

Generated:  November 06, 2025

Tags:  

# frequency-control    # ferc    # nerc

See Also:  

Fast Frequency Response    Primary Control    Secondary Control    Tertiary Control    Frequency Regulation    Frequency Stability

Definition by NERC

Source:

Means equipment that automatically adjusts a Control Area’s generation from a central location to maintain its interchange schedule plus Frequency Bias.

Definition by FERC

Source:

The automatic regulation of the power output of electric generators within a prescribed range in response to a change in system frequency, or tie-line loading, to maintain system frequency or scheduled interchange with other areas within predetermined limits.

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