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CAISO Market Participant Data

CAISO Day-Ahead BidOffer

The following are valid Transactions when submitting BidOffer data for the CAISO MarketStage “DA”.

TransactionDescriptionLocation TypeReference CodeAvailable AttributesNotes
DA Gen Energy MarketGenerator Energy Market Bid. Minimum two, max eleven Price/MW rowsGenerator
DA Gen Spin MarketGenerator Spin Market Bid. One row with values for Price and MWGenerator
DA Gen NSpin MarketGenerator Non-Spin Market Bid. One row with values for Price and MWGenerator
DA Gen RegUp MarketGenerator Regulation Up Market Bid. One row with values for Price and MWGenerator
DA Gen RegDn MarketGenerator Regulation Down Market Bid. One row with values for Price and MWGenerator
DA Gen RUC MarketGenerator RUC Market Bid. One row with values for Price and MWGenerator
DA Gen Energy SelfGenerator Energy, Self-Scheduled. MW only.GeneratorETC/TOR contract ID (optional)
DA Gen RUC ObligationGenerator RUC Obligation. MW Only.Generator
DA Gen RegDn SelfProvisionGenerator Regulation Down, Self-Provided. MW only.Generator
DA Gen RegUp SelfProvisionGenerator Regulation Up, Self-Provided. MW only.Generator
DA Gen NSpin SelfProvisionGenerator Non-Spin, Self-Provided. MW only.Generator
DA Gen Spin SelfProvisionGenerator Spin, Self-Provided. MW only.Generator
DA Import Energy MarketIntertie Import Bid for Energy. Minimum two, max eleven Price/MW rowsIntertie
DA Import NFEnergy MarketIntertie Import Bid for Non-Firm Energy. Minimum two, max eleven Price/MW rowsIntertie
DA Import UntCntg MarketIntertie Import Bid for Unit Contingent Energy. Minimum two, max eleven Price/MW rowsIntertie
DA Import Wheel MarketIntertie Import Bid for Wheel. Import/Source of Wheel is scheduled as a separate transaction. Minimum two Price/MW pairsIntertie"WheelingCounterResource" (Required) - The name of the resource on the other side of the wheelNot currently supported. Contact your account manager.
DA Import Spin MarketIntertie Import Bid for Spin. One row with values for Price and MWIntertie
DA Import NSpin MarketIntertie Import Bid for Non-Spin. One row with values for Price and MWIntertie
DA Import RUC MarketIntertie Import Bid for RUC One row with values for Price and MWIntertie
DA Import Energy SelfIntertie Import of Energy, Self-Scheduled. MW only.IntertieETC/TOR contract ID (optional)Use this Transaction for Wheels with ETCs/TORs

CAISO Real-Time BidOffer

The following are valid Transactions when submitting BidOffer data for the CAISO MarketStage “RT”.

TransactionDescriptionLocation TypeReference CodeAvailable AttributesNotes
RT Gen Energy MarketGenerator Energy Market Bid. Minimum two, max eleven Price/MW rowsGenerator
RT Gen Spin MarketGenerator Spin Market Bid. One row with values for Price and MWGenerator
RT Gen NSpin MarketGenerator Non-Spin Market Bid. One row with values for Price and MWGenerator
RT Gen RegUp MarketGenerator Regulation Up Market Bid. One row with values for Price and MWGenerator
RT Gen RegDn MarketGenerator Regulation Down Market Bid. One row with values for Price and MWGenerator
RT Gen RUC MarketGenerator RUC Market Bid. One row with values for Price and MWGenerator
RT Gen Spin SelfProvisionGenerator Spin, Self-Provided. MW only.Generator
RT Import Energy MarketIntertie Import Bid for Energy. Minimum two, max eleven Price/MW rowsIntertie
RT Import NFEnergy MarketIntertie Import Bid for Non-Firm Energy. Minimum two, max eleven Price/MW rowsIntertie
RT Import UntCntg MarketIntertie Import Bid for Unit Contingent Energy. Minimum two, max eleven Price/MW rowsIntertie
RT Import Wheel MarketIntertie Import Bid for Wheel. Import/Source of Wheel is scheduled as a separate transaction. Minimum two Price/MW pairsIntertie"WheelingCounterResource" (Required) - The name of the resource on the other side of the wheelNot currently supported. Contact your account manager.
RT Import Spin MarketIntertie Import Bid for Spin. One row with values for Price and MWIntertie
RT Import NSpin MarketIntertie Import Bid for Non-Spin. One row with values for Price and MWIntertie
RT Import RUC MarketIntertie Import Bid for RUC One row with values for Price and MWIntertie
RT Import Energy SelfIntertie Import of Energy, Self-Scheduled. MW only.IntertieETC/TOR contract ID (optional)Use this Transaction for Wheels with ETCs/TORs

CAISO Day-Ahead BilateralSchedules

The following are valid Transactions when submitting BidOffer data for the CAISO MarketStage “RT”.

TransactionDescriptionLocation TypeReference CodeAvailable AttributesNotes
DA Buy Energy APNPurchase of Energy at an Aggregated Pricing NodeAPNodes
DA Sell Energy APNSale of Energy at an Aggregated Pricing NodeAPNodes
DA Buy Energy PHYPurchase of Energy at a Physical ResourceGeneratorTrade Name (Required)"DependOnTradeName" (Optional, string 120) - CAISO Depend on Name. Will default to Location if not provided.
DA Sell Energy PHYSale of Energy at a Physical ResourceGeneratorTrade Name (Required)"DependOnTradeName" (Optional, string 120) - CAISO Depend on Name. Will default to Location if not provided.

CAISO Real-Time BilateralSchedules

The following are valid Transactions when submitting BidOffer data for the CAISO MarketStage “RT”.

TransactionDescriptionLocation TypeReference CodeAvailable AttributesNotes
RT Buy Energy APNPurchase of Energy at an Aggregated Pricing NodeAPNodes
RT Sell Energy APNSale of Energy at an Aggregated Pricing NodeAPNodes
RT Buy NSpin ASTPurchase of Non-Spin"MRTU"Location is “MRTU”
RT Buy RegDn ASTPurchase of Spin"MRTU"Location is “MRTU”
RT Buy RegUp ASTPurchase of Regulation Up"MRTU"Location is “MRTU”
RT Buy Spin ASTPurchase of Regulation Down"MRTU"Location is “MRTU”
RT Sell Spin ASTSale of Non-Spin"MRTU"Location is “MRTU”
RT Sell RegUp ASTSale of Spin"MRTU"Location is “MRTU”
RT Sell RegDn ASTSale of Regulation Up"MRTU"Location is “MRTU”
RT Sell NSpin ASTSale of Regulation Down"MRTU"Location is “MRTU”
RT Buy IFMUPurchase of IFM Uplift Obligation"MRTU"Location is “MRTU”
RT Sell IFMUSale of IFM Uplift Obligation"MRTU"Location is “MRTU”
RT Buy Energy PHYPurchase of Energy at a Physical ResourceGeneratorTrade Name (Required)"DependOnTradeName" (Optional, string 120) - CAISO Depend on Name. Will default to Location if not provided.
RT Sell Energy PHYSale of Energy at a Physical ResourceGeneratorTrade Name (Required)"DependOnTradeName" (Optional, string 120) - CAISO Depend on Name. Will default to Location if not provided.