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Market Notice
December 6, 2018


Request for Comment


Business Practice Manuals

BPM Change Management: Proposed Revision Requests and Updated BPMs Posted as of 12/6/18


This notice announces the posting and beginning of stakeholder review periods for new Proposed Revision Requests (PRRs) to Business Practice Manuals (BPM), ISO recommendations, and final decisions on previously submitted PRRs. The ISO posted updated versions of BPMs on its BPM change management website.


The California ISO has posted a new proposed revision request reflecting edits to Business Practice Manuals (BPM).  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 at


The PRRs listed below have an open 10-business day comment or appeal period from December 6, 2018 through December 20.


New PRRs

PRR 1114 Outage Management BPM, Outage coordination changes due to reliability coordinator service.


ISO Recommendations

There are no new PRRs to report.


ISO Final Decisions

There are no new PRRs to report.


BPM updates

The ISO has posted a document reflecting BPMs updated in 2018. Click here to view the document, which is located on the ISO website at


All BPMs are viewable in the BPM 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.


Julia Payton at 916-608-1133 or

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California Independent System Operator | P.O. Box 639014 | Folsom, CA 95630 | United States