Registry
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North American Electric Reliability Corporation

FAC-501-WECC-4

Transmission Maintenance

Latest Edition2025-01-01
Country ScopeNorth America
CategoryReliability Standards / Facilities Design, Connections, and Maintenance
Record Typestandard
ApplicabilityEnforceable after approval or adoption by the applicable regulatory authority

Applicability Summary

NERC reliability standard in the FAC family addressing transmission maintenance.

Notes

NERC page label: Mandatory Subject to Enforcement. Standard document modified November 19, 2025. Public notes: Filing/Order Docket No. RD24-7-000.