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Past notifications
Notifications issued
over the past 90 days

Home > Stay Informed > Notifications > Alert Warning Emergency Notices

Alert, warning and emergency notifications

Emergency notifications are issued when operating reserves or transmission capacity limitations threaten the ability of the California ISO to safely and reliably operate the grid.

 

Click here to sign up for Flex Alerts and other ISO communications. Receive notifications of grid emergencies via the ISO Today app or RSS.


Grid history and facts


Click here for all notifications issued over the past 90 days