Notification of revised RC West operating procedures RC0420, RC0540, RC0600, RC0600A and RC West Coordination Plan

RC West has revised the operating procedure referenced below and including RC West Coordination Plan. 

RC West Coordination Plan, version 5.5, effective Dec. 18, 2025. 

Appendix C: Updated RC West Reliability Area Map and minor edit to Section 13.2 Entity list following map. Minor format and grammar edits.

RC0420 Event Reporting, version 2.2, effective Dec. 18, 2025.

Section 3.2: Included sub-bullet for emailing DOE OE-417 report.

Appendix 1: Minor edits for clarity and to align with Standard requirements for event reporting.

RC0540 WIT Administration, version 1.3, effective Dec. 18, 2025.

Updated from Net Scheduled Interchange to Scheduled Net Interchange (NIS) and from Net Actual Interchange to Actual Net Interchange (NIA) and updated version of NERC (North American Electric Reliability Corporation) BAL-004-WECC-4 reference to align with BAL-004-WECC-4 update on 10/01/25. Minor formatting and grammar edits.

RC0600 RC West Implementation of Common Interconnection-wide Methodology, version 3.4, effective Jan. 1, 2026.

Annual Review: Minor formatting and grammar edits and removed history prior to five years.

RC0600A Western Interconnection Modeling and Monitoring Common Methodology, version 7.0, effective Jan. 1, 2026

Annual Review: Minor formatting and grammar edits.

The California ISO and RC West operating procedures are available on the Operating Procedures webpage.