The California ISO's change management process facilitates the transparent exchange of ideas and information when the ISO considers modifications to its Business Practice Manuals (BPMs). Use this site to submit and view Proposed Revision Requests (PRRs) and their statuses and to access the BPM library.


  • The purpose of BPMs is to set forth business practices that implement the ISO tariff. The ISO conducts a yearly policy initiative roadmap process to consider and rank initiatives.
  • Policy changes submitted though the PRR process will be referred to the policy initiative road map process.  Each subject area in a BPM is based on enabling language in the ISO tariff.
  • The PRR process cannot be used to introduce changes that are not supported by existing tariff authority.
PRR Title Filter
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  • Click on the PRR Number to view the complete details of the PRR.
  • To view the complete title mouse hover on the PRR Title field.
  • IC - Initial Comment, RC - Recommendation Comment

  • PRR
    PRR Title
    BPM
    Status
    Category
    Submitted By
    Priority
    Last Action
    Comments
    .........
    1170Conditionally Available Resource (CAR) treatment and registration processMarket OperationsInitial CommentAAgbassekou, Kokou (CAISO)Emergency7/17/2019 IC: 0
    RC: 0
    1169Must offer obligation clarification for conditionally available resource (CAR) and other resources under Tariff section 40.6.4.1Reliability RequirementsInitial CommentAMohammed-Ali, Abdulrahman (CAISO)Emergency7/17/2019 IC: 0
    RC: 0
    1168Outage card clarification for resources and must offer obligation clarification for Conditionally Available Resource (CAR) and other resources under Tariff section 40.6.4.1Outage ManagementInitial CommentAMohammed-Ali, Abdulrahman (CAISO)Emergency7/17/2019 IC: 0
    RC: 0
    1167Manually Assigned Ancillary Services clarificationMarket OperationsInitial Stakeholder MeetingBBatakji, Jamal (CAISO)Normal7/22/2019 IC: 0
    RC: 0
    1166Opportunity costs in Scheduling Infrastructure and Business Rules (SIBR) generated cost bidsMarket InstrumentsInitial Stakeholder MeetingBBatakji, Jamal (CAISO)Emergency7/22/2019 IC: 0
    RC: 0
    1165Energy storage and distributed energy resources phase 3AMarket InstrumentsInitial Stakeholder MeetingBBatakji, Jamal (CAISO)Normal7/22/2019 IC: 0
    RC: 0
    1164Update the pre-calculation spin non-spin no pay quantity BPM to resolve a document only equation error.Settlements and BillingInitial Stakeholder MeetingAPeacock, Bonnie (CAISO)Emergency7/22/2019 IC: 0
    RC: 0
    1163RC Services implementation of settlements and billing includes the creation of new Reliability Coordinator and HANA Services charge codes and the termination of one charge codeSettlements and BillingInitial Stakeholder MeetingBPeacock, Bonnie (CAISO)Normal7/22/2019 IC: 0
    RC: 0
    1162Language update to the Flexible Ramp histogram calculationMarket OperationsInitial Stakeholder MeetingABatakji, Jamal (CAISO)Normal7/22/2019 IC: 0
    RC: 0
    1161Clerical editsGenerator ManagementStakeholder Meeting on RecommendationAStrouse, Nancy (CAISO)Normal7/22/2019 IC: 0
    RC: 0
    1160Meter services agreement for scheduling coordinatorsGenerator ManagementStakeholder Meeting on RecommendationCStrouse, Nancy (CAISO)Normal7/22/2019 IC: 0
    RC: 0
    1159Interconnection procedure enhancements implementation 2018Generator ManagementStakeholder Meeting on RecommendationCStrouse, Nancy (CAISO)Normal7/22/2019 IC: 2
    RC: 1
    11582019 Interconnection process enhancements - project name publication, financial security modificationsGenerator Interconnection ProceduresStakeholder Meeting on RecommendationCTavares, Phelim (CAISO)Normal7/22/2019 IC: 1
    RC: 0
    11572019 Interconnection process enhancements- project name publication, financial security modificationsGenerator Interconnection and Deliverability Allocation ProceduresStakeholder Meeting on RecommendationCTavares, Phelim (CAISO)Normal7/22/2019 IC: 1
    RC: 0
    1156Energy imbalance market upward available balancing capacity range penalty priceMarket OperationsStakeholder Meeting on RecommendationABatakji, Jamal (CAISO)Emergency7/22/2019 IC: 0
    RC: 0
    1155References to Tariff 43A and availability assessment hour for 2020Reliability RequirementsStakeholder Meeting on RecommendationAWoody, Kyle (CAISO)Normal7/22/2019 IC: 1
    RC: 0
    1154Resourse Adequacy Availability Incentive Mechanism Exemption UpdatesReliability RequirementsRecommendation CommentCWoody, Kyle (CAISO)Normal7/16/2019 IC: 2
    RC: 0
    1153Update the pre-calculation metered subsystem deviation penalty quantity configuration to properly calculate the metered subsystem expected instructed imbalance energy as per the metered subsystem agreement definitionSettlements and BillingClosedBKwong, Jennifer (CAISO)Emergency6/19/2019 IC: 1
    RC: 0
    1152Evaluation of generator reactive capabilityGenerator Interconnection and Deliverability Allocation ProceduresClosedATavares, Phelim (CAISO)Normal6/19/2019 IC: 0
    RC: 0
    1151Temporary telemetry exemptionsDirect TelemetryClosedANamburi, Priyanka (CAISO)Normal6/19/2019 IC: 0
    RC: 0
    1150Updates to Section 10 of Transmission Planning Process BPMTransmission Planning ProcessClosedABillinton, Jeffrey (CAISO)Normal6/19/2019 IC: 0
    RC: 0
    1149Commitment cost enhancement phase 3 attachment BMarket InstrumentsClosedCBatakji, Jamal (CAISO)Emergency6/19/2019 IC: 1
    RC: 0
    1148Updated BPM configuration guide for pre-calculation system resource deemed delivered energy quantity 5.3 to ensure ISO dynamic system resources logic meter calculation quantity is not derived at twice the value it should beSettlements and BillingClosedBPeacock, Bonnie (CAISO)Normal5/20/2019 IC: 0
    RC: 0
    1147Conditionally available resourceMarket OperationsAppeal PendingCBatakji, Jamal (CAISO)Emergency5/20/2019 IC: 2
    RC: 1
    1146Locational marginal prices clarificationMarket OperationsClosedCBatakji, Jamal (CAISO)Emergency5/20/2019 IC: 0
    RC: 0
    Total No. of Proposed Revision Requests = 1112
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