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
    .........
    1399Updated multiple BPM configuration guides to accommodate settling WAPA/TANC Contract 05-SNR-00869Settlements and BillingInitial CommentBCorona, Brenda (CAISO)Normal11/24/2021 IC: 0
    RC: 0
    1398Update BPM configuration guides to support the day ahead nodal pricing model phase 2 ancillary services InitiativeSettlements and BillingInitial CommentBCorona, Brenda (CAISO)Normal11/24/2021 IC: 0
    RC: 0
    1397Updates to BPM for tariff amendment adjusting the meaning of business day (FERC Filing ER21-2854-000)Settlements and BillingInitial CommentACorona, Brenda (CAISO)Normal11/24/2021 IC: 0
    RC: 0
    1396Base schedule submission deadlineMarket OperationsInitial CommentBBatakji, Jamal (CAISO)Emergency11/24/2021 IC: 0
    RC: 0
    1395Interchange transactions and electronic taggingMarket OperationsInitial CommentABatakji, Jamal (CAISO)Normal11/24/2021 IC: 0
    RC: 0
    1394Updated BPM Configuration guide for charge code 4575 to clarify business rule 4.1 exclusions and variable name.Settlements and BillingInitial CommentACorona, Brenda (CAISO)Emergency11/24/2021 IC: 0
    RC: 0
    1393Variable operations and maintenance cost changesMarket InstrumentsRecommendation CommentABatakji, Jamal (CAISO)Normal11/24/2021 IC: 1
    RC: 0
    1392Minor language update to BPM for Generator ManagementGenerator ManagementRecommendation CommentAJordan, Jill (CAISO)Normal11/24/2021 IC: 0
    RC: 0
    1391Transmission plan deliverability clarificationGenerator Interconnection and Deliverability Allocation ProceduresRecommendation CommentAWilson, Daune (CAISO)Normal11/24/2021 IC: 2
    RC: 0
    1390Eligible intermittent resource definition updateDirect TelemetryRecommendation CommentANamburi, Priyanka (CAISO)Normal11/24/2021 IC: 0
    RC: 0
    1389Excluding outlier data from energy imbalance market uncertainty histogramsEnergy Imbalance MarketFinal DecisionABatakji, Jamal (CAISO)Normal11/24/2021 IC: 0
    RC: 1
    1388Market data availability on market user interfaceCongestion Revenue RightsFinal DecisionCFox, Jacob (CAISO)Normal11/24/2021 IC: 0
    RC: 0
    1387Hybrid resources phase 2 updates related to Market Operation BPMMarket OperationsFinal DecisionCBatakji, Jamal (CAISO)Emergency11/24/2021 IC: 0
    RC: 0
    1386Hybrid resources phase 2 updates related to Market Instrument BPMMarket InstrumentsFinal DecisionCBatakji, Jamal (CAISO)Emergency11/24/2021 IC: 0
    RC: 0
    1385Scheduling coordinator update for document submission processScheduling Coordinator Certification and TerminationFinal DecisionAHines, Nicole (CAISO)Normal11/24/2021 IC: 0
    RC: 0
    1384Additional information for congestion revenue rights holder self-terminationCandidate CRR Holder RegistrationFinal DecisionAHines, Nicole (CAISO)Normal11/24/2021 IC: 0
    RC: 0
    1383Update regulation no pay pre-calculation to change data source for dispatch operating target calculation quantitySettlements and BillingFinal DecisionBCorona, Brenda (CAISO)Normal11/24/2021 IC: 0
    RC: 0
    1382Energy storage and distributed resources phase 4 updates related to market operations BPMMarket OperationsFinal DecisionCBatakji, Jamal (CAISO)Normal11/24/2021 IC: 0
    RC: 0
    1381Energy storage and distributed resources phase 4 updates related to market instrument BPMMarket InstrumentsFinal DecisionCBatakji, Jamal (CAISO)Normal11/24/2021 IC: 0
    RC: 0
    1380High sustainable limitDirect TelemetryFinal DecisionCNamburi, Priyanka (CAISO)Normal11/24/2021 IC: 0
    RC: 0
    1379Changes to section 10.4.5 schedule of request/deadlineTransmission Planning ProcessClosedABillinton, Jeffrey (CAISO)Emergency11/15/2021 IC: 0
    RC: 0
    1378Updated CC 64770 real time imbalance energy offset energy imbalance market to accurately and properly align with non-California balancing authority areas will get greenhouse gas adjustments.Settlements and BillingClosedBCorona, Brenda (CAISO)Normal11/15/2021 IC: 0
    RC: 0
    1377Update configuration guides to reflect settlement of exceptional dispatches designated as TMODEL8 and TMODEL9Settlements and BillingClosedBCorona, Brenda (CAISO)Normal11/15/2021 IC: 0
    RC: 0
    1376Update configuration guides to reflect Western Area Power Administration transmission exchange agreement treatmentSettlements and BillingClosedBCorona, Brenda (CAISO)Normal11/15/2021 IC: 0
    RC: 0
    1375Update configuration guides to reflect change in short and long start definitionsSettlements and BillingWithdrawnACorona, Brenda (CAISO)Normal8/30/2021 IC: 0
    RC: 0
    Total No. of Proposed Revision Requests = 1337
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