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Home > Market Operations > Market monitoring

We keep a close watch on our markets

The ISO Department of Market Monitoring keeps a close watch on the efficiency and the effectiveness of the California ISO markets. We provide recommendations for market design and operational inputs, and review potential detrimental market behavior.

Mission statement

To provide independent oversight and analysis of the CAISO Markets for the protection of consumers and Market Participants by the identification and reporting of market design flaws, potential market rule violations, and market power abuses.

Market Monitoring Hotline

Call (800) 644-6409 or use this online form to ask questions or report suspected abuses in the wholesale electricity markets, including ISO ancillary services, congestion management, or real-time spot markets.

All information received will be kept strictly confidential, and used only to investigate complaints of market abuse. Reports may be made anonymously.

Suspected abuses may also be reported to the Federal Energy Regulatory Commission Enforcement Hotline.

For complaints about retail electric customer service, please contact the local utility or California Public Utilities Commission Consumer Affairs at (800) 649-7570.

Annual and quarterly reports

We provide annual and quarterly reports on market issues and performance. 

Special reports and presentations

Analysis materials produced by the ISO market monitoring staff regarding performance of the markets. 

Regulatory filings

We file comments in key federal and state regulatory proceedings.

Comments on stakeholder processes

Market Monitoring actively participates and submits comments in stakeholder processes.

ISO tariff reference
The relevant sections discussing ISO Market Monitoring can be found in Appendix P of the ISO Tariff. 

Market monitoring archive


For more information:
ISO Department of Market Monitoring
(916) 608-1220