The California ISO has revised the operating procedures referenced below.

2390 Over-supply/Over-generation, version 14.0, effective May 20, 2021

• Periodic Review: Updated procedure title to include Over-supply.
• Section 2: Revised background detail and removed second paragraph of Scope/Applicability.
• Section 3.2: Updated Example Market Notification to all Scheduling Coordinators (SCs).
• Sections 3.4 & 3.5.1: Changed Interchange Scheduler to Transmission Dispatcher.
• Sections 3.4, 3.5.1, 3.5.2 & 3.6: Added "... and Automated Dispatch System (ADS)..." to action for sending Market Notifications.
• Section 3.5: Deleted redundant paragraph (duplicate in 3.5.1).
• Section 3.5.2 added step 2 to align with procedure attachment 2390B.
• Replaced many references of Over-generation with Over-supply throughout with distinction between the two in Section 2.1.
• Replaced most references of Reliability Messaging Tool (RMT) with Reliability messaging system.
• Replaced references of Market Messaging system (MNS) with Market Notification system (MNS).
• Updated to include over-supply notification for Eligible Intermittent Resource (EIR) and Variable Energy Resource (VER).
• Changed to or added ‘Operating Instruction’ in several places.
• Corrected messaging system identified in several places.
• Replaced Interchange Scheduler with Transmission Desk.
• Updated all ISO references to CAISO.
• Added the RC to Operationally Affected Parties.
• Updated Definitions section for acronym clarity.
• Removed history prior to 5-years.
• Minor format and grammar updates. 

4120 Gas Transmission Pipeline System Limitations or Outage, version 7,1, effective May 20, 2021

Aliso Canyon Phase V Initiative: Updated Section 3.2 to reflect added capability in the Gas Nomogram Enhancement Initiative to specify a flat limitation with a fixed volume per hour or daily limitation as applicable. Revised timing language in Section 3.3 for consistency with Section 3.4 and removed bold and underline emphasis formatting that was obsolete and caused confusion.

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