WECC

FAC-501-WECC-2

Transmission Maintenance

Latest Edition2024-07-09

Country ScopeWestern Interconnection

CategoryRegional Reliability Standards / Historical / Superseded

Record Typehistorical_regional_standard

ApplicabilityHistorical WECC regional reliability requirement; newer version tracked separately where listed by WECC

Applicability Summary

Historical WECC regional reliability standard in the FAC family addressing transmission maintenance; a newer WECC-listed version is tracked separately.

Notes

Extracted from WECC Standards page section: Approved Regional Standards, Variances, and Interpretations. WECC source listed modified date 2024-07-09. WECC document status: Approved/Final. WECC categorization policy: Regional Reliability Standard. Classified as historical because WECC also lists FAC-501-WECC-4 with a later effective date.