The California ISO has revised the operating procedure referenced below.

2720 Market Disruption – Western EIM, version 3.0, effective Oct. 31, 2019

Added definitions of planned and unplanned market separations; Added steps on planned separation including notification to Client Services; Clarified that the same steps for a planned separation must be performed to a real-time unplanned event.

Updated Distribution Restriction to “None” and updated Operationally Affected Parties as “Shared with the Public.”

Minor format and grammar updates.

3100 Establishing System Operating Limits for the Operations Horizon, version 6.5, effective Oct. 31, 2019

Section 3.1, last bullet: Updated language in accordance with Coordinated Functional Registration (CFR) designation of System Operating Limits (SOLs).

4420 System Emergency, version 12.1, effective Oct. 31, 2019

Updated procedure per changes to 4420B EOP-011-1 EEA levels with BAL-002 WECC 2A in sections Warning, Emergency Stage 1, 2 & 3.

Removed “WECC” from Notify the “All Reliability” distribution list. Section 3.5.3 Emergency Stage 1 removed Step 6.

Section 3.5.5 Emergency Stage 3 changed “Spinning Reserve” to “Contingency Reserve”.          

ISO Operating Procedures - http://www.caiso.com/rules/Pages/OperatingProcedures/Default.aspx