The California ISO Balancing Authority is updating its Emergency Alerts to be more consistent with Reliability Coordinator and neighboring Balancing Authority procedures. The Alert, Warning, Stage 1, 2, 3 are changing to Energy Emergency Alert (EEA) Watch, EEA 1, 2, 3 effective May 1, 2022. There are no changes to the Flex Alert, Restricted Maintenance Operations or Transmission Emergency.
The ISO has revised the operating procedures referenced below with draft versions available for review and comments through end of day, April 15, 2022. Please send all comments to the ISO Procedure Control Desk at ProcedureControl@caiso.com by end of day April 15, 2022. Procedures will become effective May 1, 2022.
4420 System Emergency, version 14.0, effective May 1, 2022
Annual Review:
Converted Alert, Warning or Emergency Notice (AWE) levels Alert, Warning, Stage 1, 2 and 3 to EEA Watch, EEA 1, 2 and 3 throughout procedure.
Section 3.3 - Added Flex Alert criteria.
Clarified Emergency Load Reduction Program (ELRP) references through procedure.
Removed references to California State Emergency (CSEP) program throughout procedure.
Removed history prior to five years.
Minor format and grammar updates.
4420C Emergency Notice Templates, version 10.0, effective May 1, 2022
Annual Review:
Sections 1.2.8 through 1.2.12 and 1.3.8 through 1.3.12 - converted AWE notices to EEA notices – removing Grid Alert, Warning, Stage 1, Stage 2 and Stage 3, and adding EEA Watch, EEA 1, EEA 2 and EEA 3. Removed 1 hour probability notice.
Minor format and grammar updates.
The California ISO’s operating procedures are available on the Operating Procedures webpage.
