Emergency notices are issued when operating reserves or transmission capacity limitations threaten the ability of the California ISO to safely and reliably operate the grid.
All notices should be confirmed with the appropriate operating personnel prior to taking any action.
AWE Reference Material
Compilation of No Touch, Alert, Warning,
Emergency, and Power Watch declarations since 1998
History - Compilation of the California ISO Notices of load shedding detail by date, time and utility.
This page contains the relevant ISO Operating procedures. Restricted Maintenance
Operations days are covered in ISO Procedure E-509. Alerts, Warnings, Emergencies
and the Electrical Emergency Plan are covered by procedure E-508.
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