Zone

Geographical concept.

Last Updated:  November 02, 2025

Version:  1.0.1

Generated:  November 06, 2025

Tags:  

# geography    # system-operator    # pjm

See Also:  

Region    Subregions    Control Area    Balancing Authority Area    Reliability Coordinator Area

Definition by PJM

PJM Transmission Zones Map (from )

Source:

Definition by MATPOWER

Source: p139

In MATPOWER, there is a bus parameter named “ZONE”, and it means loss zone.

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