BPM change management: Proposed revision requests and updated BPMs posted as of 7/2/24

The California ISO has posted new Proposed Revision Requests (PRRs) reflecting edits to Business Practice Manuals (BPMs). Revised BPMs that have completed the BPM change management process are posted in the BPM Library. All PRRs and related activity are publicly available through the BPM change management site.

BPM PRR updates are part of the ISO Daily Briefing in addition to being listed in the “Announcement” sections of the BPM change management tool. These updates include PRRs that have become available for review, upcoming BPM meetings, and comment due dates. All registered BPM users should continue to reference the BPM Change Management tool to see current PRR status. Subscribe to the Daily Briefing to stay up to date.

The PRRs listed below have an open 10-business day comment or appeal period from July 2, 2024 through July 17, 2024.

New PRRs

PRR 1577 Market Operations BPM, Three unrelated corrections and clarifications.

ISO Recommendations

PRR 1573 Energy Imbalance Market BPM, Emergency PRR, Clarifications to the CAISO AET Opt-in determination and Opt-in process.

PRR 1574 Market Instruments BPM, Addition of new Real Time Advisory Shutdown Instructions Customer Market Results Interface report.

PRR 1575 Definitions and Acronyms BPM, Declassifying as a BPM, transition to supporting document.

ISO Final Decisions

PRR 1569 Metering BPM, Meter Data Submission.

PRR 1570 Market Operations BPM, Emergency PRR, Details on new process to establish Wheeling through Priority as part of the Transmission Service and Market Scheduling Priorities Project.

PRR 1571 Settlements and Billing BPM, Updating startup cost minimum load cost pre-calculation BPM documentation for advisory shutdown flag for minimum load cost qualification.

PRR 1572 Settlements and Billing BPM, Updated charge code 4575 grid management charge scheduling coordinator ID charge to clarify business rule charge code exclusions.

BPM Library Updates

The PRR tracking log on the ISO website lists the updated BPMs in the library.

The ISO may unilaterally make and implement revisions to the BPMs in emergency circumstances, as set forth in Sections 22.4.3 and 22.11 of the ISO Tariff and in Section 2.6 of the Business Practice Manual for BPM Change Management. An emergency PRR will continue through the BPM change management stakeholder process to obtain stakeholder input on the revisions and make other recommendations, as necessary.

Please note that affected parties must register in order to submit a PRR or written comments.

More information on the BPM change management process is available on the BPM webpage of the ISO website.

Contact information

Please contact Nicole Hines at 916-597-8108 or BPM_CM@caiso.com with any questions.