Notification of revised ISO Operating Procedure 2720B

The California ISO (ISO) has revised the operating procedure referenced below.

2720B Market Disruption Settlements Notification, version 1.1, effective Sep. 3, 2026

Updated Section 1.2.1 language to align with upcoming Business Practice Manual. Updated Operationally Affected Parties section to CAISO Public and removed WEIM (Western Energy Imbalance Market) Portal since it now links directly to the CAISO procedures page.

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

Please contact the CAISO/RC West Procedure Control Desk at ProcedureControl@caiso.com with any questions.