Notice
April 20, 2023
REQUESTED ACTION
Forward to Operating Department
CATEGORIES
Operations
Notification of revised ISO operating procedures 2550 and 3100
MESSAGE

The California ISO has revised the operating procedures referenced below.

 

2550 Inadvertent Interchange Automatic Time Error Correction (ATEC) Payback, version 6.0, effective Apr. 20, 2023.

Periodic Review: Replaced Reliability messaging system with Grid Messaging System (GMS) message and minor formatting.

 

3100 Establishing System Operating Limits for the Operations Horizon, version 7.3, effective Apr. 20, 2023.

Periodic Review: Definitions Section: Updated Transmission Path buy removing reference to North American Electric Reliability Corporation (NERC) Standard TOP-007-WECC-1, as it no longer applies. Appendix Section: Updated procedure titles.

 

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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