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OperationsNotification of revised ISO operating procedure 3220
The California ISO has revised the operating procedure referenced below.
3220 Generation Outages, version 6.5, effective Feb. 12, 2026.
Updated version of North American Electric Reliability Corporation (NERC) TOP-002 reference in Footnote 1. Minor formatting and grammar edits.
The ISO’s operating procedures are available on the Operating Procedures webpage.
Contact information
Please contact the CAISO/RC West Procedure Control Desk at ProcedureControl@caiso.com with any questions.