The California ISO has revised the operating procedure referenced below.
3510E Considerations When Requesting Unscheduled Flow Mitigation for Path 66 (COI), version 2.1, effective Apr. 27, 2023.
Periodic Review: Updated instances of ISO and CISO to CAISO. Updated from Reliability messaging system to Grid Messaging System (GMS).
3620 Transmission Reliability Margins, version 3.2, effective Apr. 27, 2023.
Periodic Review: Updated from ISO to CAISO and spelled out first instance.
Replaced “Dispatcher” with “Desk” in Responsibilities section. Replaced instance of Reliability messaging system with Grid Messaging System (GMS).
Minor edits in Section 5 for procedures consistency.
8110B Interchange Scheduling Limits, version 11.2, effective Apr. 27, 2023.
Periodic Review: Removed history prior to five years and removed Technical Review section for procedures consistency (Approvals maintained electronically).
The California ISO’s operating procedures are available on the Operating Procedures webpage.
