Notice
June 15, 2023
REQUESTED ACTION
Forward to Operating Department 
CATEGORIES
Operations
California ISO posts draft operating procedure 4420 with limited availability
MESSAGE

The California ISO has posted a revised draft of the operating procedure referenced below.

 

4420 System Emergency, version 15.0, effective date to follow.

Annual Review: Updated all references of EOP-011-1 to EOP-011-2. Removed history prior to five years. Updated title of 4420E (Removing “Transmission”) in Appendix section. Updated with Strategic Reliability Reserve (SRR) references to replace State Power Augmentation Project (SPAP) through sections for Responsibilities, Transmission Emergency, EEA Watch, EEA 1, EEA 2, EEA 3, Emergency Downgrade and Definitions. 

New section added for Forecasted Events.

Minor formatting and grammar edits.

 

The California ISO’s operating procedures are available on the Operating Procedures webpage.

CONTACT INFORMATION

Please contact the ISO Procedure Control Desk at ProcedureControl@caiso.com with any questions.

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