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Managing outages helps ensure system reliability

Accurate and complete outage scheduling is vital to reliable operation of the transmission system. The ISO coordinates outage schedules for maintenance, repair and construction within the ISO grid to maintain system reliability, maximize schedule feasibility and ensure effective planning for resource use.  

Requirements, guidelines and procedures

All forced outages must be reported to the California ISO with a description of the cause and all remedial actions taken.

Outage management guidelines

Procedures, manuals and requirements describe the processes and responsibilities for reporting outages to the ISO.

Outage reporting system user documentation

The Scheduling and Logging for the ISO of California, or SLIC is a web-enabled system for transmission and generation owners to communicate outage information.

Outage reports

Transmission outage reports (Requires a valid user certificate)
Daily snapshot of transmission facilities that are not operational because of planned or unplanned outages.

Curtailed and non-operational generators
Daily snap-shot of California power plants that are not operational due to planned or unplanned outages. Please note that reported conditions are dynamic and subject to change without further notice.

Curtailed / non-operational generator report glossary