The California ISO has revised the operating procedures referenced below.
3210 Transmission Outages, version 17.1, effective May 18, 2023.
Periodic Review: Updated from ISO to CAISO. Updated North American Electric Reliability Corporation (NERC) Standards references. Minor format and grammar edits. Removed history prior to five years. Updated title of 3210G in Appendix section.
3210A Transmission Outage Request, version 6.1, effective May 18, 2023.
Periodic Review: Updated from ISO to CAISO and minor formatting.
3210G Outages to Connect New or Rearranged Facilities, version 4.1, effective May 18, 2023.
Periodic Review: Minor grammar edits to procedure title and Operationally Affected parties and spelled out Outage management system (OMS).
4120 Gas Transmission Pipeline System Limitations or Outages, version 7.3, May 18, 2023.
Sections 3.2.1.3 & 3.5: Removed Emergency Response Coordinator (ERC) notification tasks and minor grammar edits.
References Section: Updated NERC reference of EOP-011.
Definitions Section: Removed Emergency Response Coordinator.
Removed history prior to five years.
Minor formatting and grammar updates.
5330 Resource Testing Guidelines, version 12.1, effective May 18, 2023.
Periodic Review: Updated from ISO to CAISO throughout.
Section 1: Updated Scheduling Coordinator (SC) responsibilities.
Section 3.1.1: Expanded content for definition of Reliability Must Run (RMR) Capacity to RMR Units and RMR Capacity and added reference for 5340 for Legacy RMR.
Section 3.4: Updated Note and Exceptions for System Resources to include E-Tag requirement.
Section 3.4.1: Added E-Tagging instructions, including “Dynamic” within section title and added CAISO Transmission Desk to CAISO task tables.
References Section: Removed 1310 procedure since relevant content was included in 1210 procedure and updated NERC and Western Electricity Coordinating Council (WECC) Standard references.
Removed history prior to five years.
Removed Technical Review and Approval sections for procedures consistency (approvals maintained electronically).
The California ISO’s operating procedures are available on the Operating Procedures webpage.
