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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.​
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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
    .........
    1542Addition of regulation attenuation factors associated with the state of charge equation with ancillary impact Market OperationsInitial CommentAMartin, Michael (CAISO)Emergency11/3/2023 IC: 0
    RC: 0
    1541Update to allow pseudo-tie resources to be part of co-located aggregate capability constraintsMarket OperationsRecommendation CommentBMartin, Michael (CAISO)Normal12/1/2023 IC: 0
    RC: 0
    1540Updated multiple configuration guides to accommodate fixing typos in variable names which are otherwise correct in the bill determinate matrix and the settlements systemSettlements and BillingRecommendation CommentAAhmadi, Massih (CAISO)Normal12/1/2023 IC: 0
    RC: 0
    1539Update to variable operation and maintenance addersMarket InstrumentsFinal DecisionAFox, Jacob (CAISO)Normal12/1/2023 IC: 0
    RC: 0
    1538Revisions to section 8.4.1 related to market participants leaving the market or incurring substantial activity level changesCredit Management and Market ClearingFinal DecisionABilling, Christina (CAISO)Normal12/1/2023 IC: 0
    RC: 0
    1537New customer market results interface report that displays Hold state-of-charge exceptional dispatch dataMarket InstrumentsClosedAMartin, Michael (CAISO)Normal11/15/2023 IC: 0
    RC: 0
    1536New payment for exceptional dispatches holding state-of-chargeMarket OperationsClosedBMartin, Michael (CAISO)Normal11/15/2023 IC: 0
    RC: 0
    1535Western energy imbalance market Washington greenhouse gas enhancementsEnergy Imbalance MarketClosedAFox, Jacob (CAISO)Normal11/15/2023 IC: 0
    RC: 0
    1534Western energy imbalance market Washington greenhouse gas enhancementsMarket InstrumentsClosedAFox, Jacob (CAISO)Normal11/15/2023 IC: 1
    RC: 1
    1533Removal of day ahead economic market priority typeMarket OperationsClosedAMartin, Michael (CAISO)Normal11/15/2023 IC: 1
    RC: 1
    1532Addition of exemption to failed-to-start rule for resourcesEnergy Imbalance MarketClosedAMartin, Michael (CAISO)Normal11/15/2023 IC: 3
    RC: 1
    1531Two new customer market results interface reports that display market priority typesMarket InstrumentsClosedAMartin, Michael (CAISO)Normal11/15/2023 IC: 0
    RC: 0
    1530Changes to ancillary awards constraints and bidding requirements implemented in energy storage enhancements track 1Market OperationsClosedCMartin, Michael (CAISO)Emergency11/15/2023 IC: 0
    RC: 0
    1529Update configuration guide for intertie deviation settlement to resolve rounding issueSettlements and BillingClosedBAhmadi, Massih (CAISO)Normal11/15/2023 IC: 0
    RC: 0
    1528Created and updated multiple BPM configuration guides to accommodate energy storage enhancements phase 1 track 2 initiativeSettlements and BillingClosedCAhmadi, Massih (CAISO)Normal11/15/2023 IC: 0
    RC: 0
    1527Changes to automated dispatch system partial accept and T-minus 20 auto approvalMarket OperationsClosedBMartin, Michael (CAISO)Normal11/15/2023 IC: 0
    RC: 0
    1526​Addition of a withdrawal limit for scheduling coordinators of battery resourcesMarket OperationsClosedAMartin, Michael (CAISO)Normal11/15/2023 IC: 1
    RC: 0
    1525Emergency assistance energy transfer opt-in processEnergy Imbalance MarketClosedBMartin, Michael (CAISO)Emergency11/15/2023 IC: 0
    RC: 0
    1524Maximum import capability enhancementsMarket InstrumentsClosedAFox, Jacob (CAISO)Normal10/20/2023 IC: 0
    RC: 0
    1523Maximum import capability enhancements policy changesReliability RequirementsClosedCSchimschal, Melanie (CAISO)Normal10/20/2023 IC: 0
    RC: 0
    1522Documentation only updates to the real time energy quantity pre-calculation and metered energy adjustment factor pre-calculation for the BAResBaseScheduleEnergy variable.Settlements and BillingClosedAAhmadi, Massih (CAISO)Normal10/20/2023 IC: 0
    RC: 0
    1521New process to automatically adjust day ahead electronic tags to the match the energy profile to the residual unit commitment final scheduleMarket OperationsClosedBMartin, Michael (CAISO)Emergency10/20/2023 IC: 0
    RC: 0
    1520Process for handling disconnected PNodes for congestion revenue rights purposesCongestion Revenue RightsClosedAXiao, Mengjia (CAISO)Normal11/15/2023 IC: 0
    RC: 0
    1519Utilize North to South and South to North nomograms in all real-time markets to manage physical and market flows with all lines in service and/or outage conditionsManaging Full Network ModelClosedBLiang, Vivian (CAISO)Emergency10/20/2023 IC: 1
    RC: 0
    1518Meter data retentionMeteringClosedANamburi, Priyanka (CAISO)Normal9/14/2023 IC: 0
    RC: 0
    Total No. of Proposed Revision Requests = 1475
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