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Market Notice
November 30, 2018


Request for Comment


Business Practice Manuals

BPM Change Management: Proposed Revision Requests and Updated BPMs Posted as of 11/30/18


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 Business Practice Manuals (BPM) on its BPM change management website.


The California ISO has posted new proposed revision requests 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 Nov. 30, 2018 through December 14.


New PRRs

  • PRR 1107 Definitions and Acronyms BPM, Fall 2018 definitions and acronyms update
  • PRR 1108 Market Operations BPM, Load forecasting improvements - phase 1
  • PRR 1109 Market Operations BPM, Transferring Attachment F to Congestion Revenue Rights BPM
  • PRR 1110 Market Instruments BPM, Aliso Canyon Tariff provisions plus new report definition
  • PRR 1111 Market Operations BPM, Aliso Canyon Tariff provisions
  • PRR 1113 Generator Interconnection and Deliverability Allocation Procedures BPM, 2018 interconnection process enhancements deliverability changes

ISO Recommendations

  • PRR 1097 Managing Full Network Model BPM, Reliability coordinator services updates
  • PRR 1098 Settlements and Billing BPM, Updated BPM configuration guide for charge code 8835 annual resource adequacy availability incentive mechanism neutrality to accommodate the removal of the pass through bill hierarchy
  • PRR 1099 Settlements and Billing BPM, Updates to the BPM for Settlements and Billing to support the implementation of reliability coordinator services
  • PRR 1100 Settlements and Billing BPM, Settlement charge codes changes for congestion revenue rights auction efficiency phase 1B initiative
  • PRR 1101 Settlements and Billing BPM, Updates to BPM configuration guides for charge codes 8830 and 8831 to implement resource-level resource adequacy availability incentive mechanism exclusion flags
  • PRR 1102 Settlements and Billing BPM, Updated BPM configuration guide for pre-calculation system resource deemed delivered energy quantity to accommodate energy imbalance market BANC-SMUD initiative relocation of logical meter calculation code from an upstream calculation into settlements
  • PRR 1103 Reliability Requirements BPM, Submitted by San Diego Gas & Electric Company, Reliability requirement update for consistency and cleanup
  • PRR 1104 Reliability Coordinator Services BPM, Reliability Coordinator Services BPM
  • PRR 1105 Congestion Revenue Rights BPM, Congestion Revenue Rights 1B changes and settlement rule attachment
  • PRR 1106 Settlements and Billing BPM, Update settlement input description for dynamic ancillary services obligation flag

ISO Final Decisions

  • PRR 1087 Market Operations BPM, Generator contingency and remedial action scheme modeling
  • PRR 1088 Outage Management BPM, Nature of Work attributes and force outages with Pmax < 10
  • PRR 1090 Energy Imbalance Market BPM, Dynamic pseudo-tie wheeling schedules
  • PRR 1091 Managing Full Network Model BPM, Emergency, Enhanced gas nomogram constraint formulation for Aliso Canyon
  • PRR 1093 Energy Imbalance Market BPM, Emergency, Enhancement for calculating fifteen-minute schedules from hourly resources
  • PRR 1094 Settlements and Billing BPM, Emergency, Update the pre-calculation metered sub-system deviation penalty quantity configuration to properly account for metered sub-system load following instructed imbalance energy for an metered sub-system load following resource
  • PRR 1095 Market Operations BPM, Pay for performance regulation recertification process change

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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