Notification of revised RC West operating procedure RC0610

RC West has revised the operating procedure referenced below. 

RC0610 System Operating Limits Methodology for the Operations Horizon, version 3.4, effective Aug. 29, 2025. 

Section G: Added less stringent criteria implementation for credible multiple contingencies. Minor grammar edits in Appendix D. Section G changes have been coordinated with and approved by the RC West Operations Working Group (ROWG).

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