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Bulletins, reports and studies

We provide centralized access here to all ISO technical bulletins, reports and studies.

   

Industry insight reports

Technical information authored and/or presented by employees of the California ISO and industry associations. Documents are listed in chronological order.

Reliability requirements deliverability studies

  • Deliverability assessment methodologies
  • 2009 Serial group deliverability assessment updates
  • 2011 Serial group deliverability assessment updates
  • 2008 Q2 Generation deliverability study
  • 2007 Q3 Generation deliverability study
  • Phase III baseline generation deliverability study
  • Phase IIB baseline generation deliverability study

Seasonal assessments

These assessments produce likely operating conditions that account for variances in load and resources under stressed and favorable operating conditions.

 

Transmission outage reports

All transmission outages must be reported to the California ISO with a description of the cause and all remedial actions taken. Information is confidential. Access requires a valid California ISO user certificate.

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.
Capacity benefit margins reports
Capacity benefit margins (CBM) are reserved by the California ISO in the Day Ahead Market to ensure the availability of adequate transmission capacity to serve ISO native load.

Market reports

Reports and audits regarding system events and other operational issues including frequency response and contingency reserve charts, reports on load shedding and other events, and operational studies.
  • Market performance reports
  • Capacity procurement mechanism
    The ISO issues preliminary notification of a CPM designation through a market notice and provides additional details in a formal designation report within 10 days after the end of the month.
  • Demand response net benefits test results
  • Exceptional dispatch reports
    The Exceptional Dispatch Report provides Market Participants with comprehensive data on the frequency and volume of exceptional dispatches initiated within the California ISO Balancing Authority Area. Reports are published monthly on the 15th of every month and include data for the trade dates ending 30 days prior to the report date.
  • Market disruption reports
    The Market Disruption Report provides Market Participants with a comprehensive record of all market disruptions occurring in the California ISO Day-Ahead and Real-Time Markets. Reports are published monthly on the 15th of every month and include data for the trade dates ending 30 days prior to the report date.
  • Participating intermittent resource program - settlement charges report
  • Price validation and correction reports
  • Resource adequacy evaluation reports
    The Resource Adequacy (RA) Evaluation Reports provide RA compliance data regarding individual and/or aggregate validation of system and local RA showings. The California ISO may implement backstop procurement if the additional reliability needs presented in these reports are not mitigated in a timely manner.
  • Standard capacity product biannual status reports
    Standard Capacity Product biannual status report on the application of SCP Availability Standards to all resource adequacy resources.

Operational reports and audits

Reports and audits regarding system events and other operational issues including frequency response and contingency reserve charts, reports on load shedding and other events, and operational studies

Technical bulletins

Market issues and performance reports

Market monitoring reports and presentations