Primary Control

A.k.a. Frequency Response.

Last Updated:  June 22, 2025

Version:  1.0.0

Generated:  January 19, 2026

Also known as:  

Frequency Response

Tags:  

# frequency-control    # generation    # nerc

See Also:  

Fast Frequency Response    Secondary Control    Tertiary Control    Frequency Regulation    Automatic Generation Control    Frequency Stability

Definition by NERC

Source:

More commonly known as Frequency Response. Frequency Response occurs within the first few seconds following a change in system frequency (disturbance) to stabilize the Interconnection.

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