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OperationsNotification of revised ISO operating procedures 4510, 4510B and 4510F
The California ISO has revised the operating procedures referenced below.
4510 Load Management Programs and Underfrequency Load Shedding, version 6.4, effective May 16, 2024.
Annual Review: Removed history prior to five years. No content changes.
4510B Demand Response and UDC Interruptible Programs, version 7.4, effective May 16, 2024.
Annual Review: No changes.
4510F Reliability Demand Response Resource (RDRR) Daily Reporting Template, version 3.3, effective May 16, 2024.
Annual Review: Minor grammar (punctuation and capitalization) edits on Instructions & Definitions tab
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.