Bulletins, reports and studies
We provide centralized access here to all ISO technical bulletins, reports and studies.
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
These assessments produce likely operating conditions that account for variances in load and resources under stressed and favorable operating conditions.
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.
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.
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.
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
Market issues and performance reports
Market monitoring reports and presentations