Region

Bulk power system reliability regions in North America.

Last Updated:  June 17, 2025

Version:  1.0.0

Generated:  November 06, 2025

Tags:  

# geography

See Also:  

Zone    Subregions    Control Area    Balancing Authority Area    Reliability Coordinator Area

Definition by NERC

Regional Maps (from )

Source:

NERC divides North America into several regions for the purpose of reliability and coordination. Each region is responsible for ensuring the reliability of the bulk power system within its boundaries. The six regions are:

• MRO: Midwest Reliability Organization
• NPCC: Northeast Power Coordinating Council
• RF: ReliabilityFirst
• SERC: SERC Reliability Corporation
• Texas RE: Texas Reliability Entity
• WECC: Western Electricity Coordinating Council

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