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.
You can receive notifications by downloading the ISO Today mobile app or you can subscribe to receive notifications via email.
Grid resources
- Grid Emergencies History Report - 1998 to Present07/26/2024, 2:03 PM
- Emergency Notifications Fact Sheet06/28/2024, 4:10 PM
- Extreme Weather Event - Process and Communications04/19/2024, 4:14 PM
- California ISO Peak Load History - 1998 to Present01/10/2024, 12:07 PM