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We can notify you about important developments

We send out important notifications regarding ISO operations and markets, alerts and emergencies, and upcoming events. Sign up for the notification lists you prefer.

Notification sign-ups

Stakeholders can request to be included on any of the California ISO External Notification lists.

Market notices

Emails that inform stakeholders about events, procedure and system changes, stakeholder initiatives, and other important information about ISO operations and markets.

Alerts, warnings, and emergency notices

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

System operating messages

Emails originating from the California ISO Control Room that describe current operational conditions on the transmission grid.

Follow us

Really Simple Syndication (RSS) enables you to automatically receive content from our Web site for easy tracking and archiving.

The Periscope

A weekly publication that provides a two-week calendar view of upcoming ISO stakeholder meetings and training.