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OperationsNotification of revised ISO Operating Procedures 2210D, 2510, 2510A, 2510B, 4410D, and 4420
The California ISO has revised the operating procedure(s) referenced below.
2210D Ancillary Service Blocking and Disqualification, version 4.5, effective July 1, 2024.
Periodic Review:
Section 1.5: Updated Note regarding CAISO Customer Service Staff alerting resources Scheduling Coordinators primary contacts.
2510 NERC and CAISO Tagging Requirements, version 10.0, effective July 1, 2024.
Major Update to include Resource Sufficiency Evaluation Enhancement 2 track 2 changes as follow:
Split the procedure into two sections, Section 3.1 North American Electric Reliability Corporation (NERC) validation and timelines and Section 3.2 CAISO validation and timelines.
Updated Section 3.2 to include Subsections 3.2.5 Existing Transmission Contract Curtailments, Subsection 3.2.6 Export Low Priority Type E-Tags validation, and Subsection 3.2.7 Export Low Priority Type E-Tags Curtailments. Minor formatting and grammar edits.
2510A POR/POD-Scheduling Path Cross Reference, version 12.4, effective July 1, 2024.
Updated Westley-Quinto information with Westley-Fink.
2510B CAISO Tagging Templates, version 1.5, effective July 1, 2024.
Replaced WESTLYQUINTO with WESTLYFINK (Updated link name in Tie Point Links tab and updated tab name with highlight).
4410D Emergency Assistance Resource IDs, version 4.7, effective July 1, 2024.
Updated Resource ID from TIDS_WESTLYQNTO_E_F_EMERG to TIDS_WESTLYFINK_E_F_EMERG for Turlock Irrigation District (TIDC).
4420 System Emergency, version 15.7, effective July 1, 2024.
Section 3.2.1: Moved Water agency contact up to 4 to 7 days out and updated communications document from Summer Heat Event to Extreme Weather Event. Sections 3.2.3.1 – 3.2.3.3: Updated language to clarify Exceptional Dispatch and market bidding steps. Section 3.6.3: Added Metered Subsystem (MSS) resource step. References: Updated status of the Strategic Reserve Resources (SRR) resources and reformatted sorting by BAA. Removed history prior to five years.
The California ISO’s operating procedures are available on the Operating Procedures webpage.
Contact information
Please contact the CAISO/RC West Procedure Control Desk at ProcedureControl@caiso.com with any questions.