Diagram:

Layers

Check boxes to show relationships:
Reliability coordination
Market interaction
Retail
Federal regulation
State regulation
Energy and services
Control and coordination

Merchant Generators

Merchant-owned generation facilities that provide power (both real and reactive power) and reliability-related services.

Federal LegislatureFederal LegislatureFederalLegislature FederalLegislature Public Utility Commission of TexasPUCTPUCT PUCT Federal Hydro GeneratorsFederal Hydro GeneratorsFederal Hydro Generators Federal Hydro Generators Public Hydro GeneratorsPublic Hydro GeneratorsPublic Hydro Generators Public Hydro Generators Commercial and Industrial CustomersC and I CustomersC and I Customers C and I Customers Residential CustomersResidential CustomersResidential Customers Residential Customers Independent Market MonitorIndependent Market MonitorIndependent Market Monitor Independent Market Monitor Power Market AdministrationPower Market AdministrationPower Market Administration Power Market Administration Federal RegulatorFederal RegulatorFederal Regulator Federal Regulator Texas LegislatureTexas LegislatureTexas Legislature Texas Legislature Entity ClassEntity Class only 1only 1 zero or 1zero or 1 zero or morezero or more 1 or more1 or more KeyKey AggregatorsAggregatorsAggregators Aggregators AA BB relation>relation> A acts on or for BA acts on or for B AA BB <relation<relation B acts on or for AB acts on or for A AA BB <relation><relation> bilateral relationbilateral relation Energy and servicesEnergy and services Control and coordinationControl and coordination State regulationState regulation Federal regulationFederal regulation RetailRetail Market interactionMarket interaction Reliability coordinationReliability coordination North American Electric Reliability CorporationNERCNERC NERC Texas Reliability EntityTexas RETexas RE Texas RE Neighboring Grids with DC TiesNeighboring Grids with DC TiesNeighboring Grids with DC Ties Neighboring Grids with DC Ties Bulk Power Marketers, ArbitragersBulk Power Marketers, ArbitragersBulk Power Marketers, Arbitragers Bulk Power Marketers, Arbitragers Merchant GeneratorsMerchant GeneratorsMerchant Generators Merchant Generators Distributed Generator (DG)Distributed GeneratorDistributed Generator Distributed Generator Other Transmission OperatorsOther Transmission OperatorsOther Transmission Operators Other Transmission Operators Competitive RetailerCompetitive RetailerCompetitive Retailer Competitive Retailer Distribution ProviderDistribution ProviderDistribution Provider Distribution Provider ERCOT - Transmission Service ProviderTransmission Service ProviderTransmission Service Provider Transmission Service Provider ERCOT - Balancing AuthorityBalancing AuthorityBalancing Authority Balancing Authority ERCOT - Reliability CoordinatorReliability CoordinatorReliability Coordinator Reliability Coordinator ERCOT - Transmission OperatorTransmission OperatorTransmission Operator Transmission Operator ERCOT - Wholesale Market OperatorWholesale Market OperatorWholesale Market Operator Wholesale Market Operator Electric Reliability Council of TexasERCOTERCOT 1. ERCOT fulfills other NERC functions not indicated in this ...1. ERCOT fulfills other NERC functions not indicated in this diagram2. Potomac Economics serves as the current Independent Market Monitor for ERCOT.3. The dotted lines connecting entities in the retail layer show the relations in the presence of an aggregator.4. TSP approves or denies transmission service requests from purchasing-selling entities, generator owners and load-serving entities (not shown in diagram)5. All market participants are monitored by Potomac Economics, and they have to be notified any changes in ownership and structure (not shown in diagram)6. Wholesale storage load is part of the merchant generators. Resource EntityResource EntityResource Entity Resource Entity ERCOT - Retail Market OperatorRetail MarketRetail Market Retail Market Opt In EntityOpt In EntityOpt In Entity Opt In Entity Non Opt In EntityNon Opt In EntityNon Opt In Entity Non Opt In Entity Qualified Scheduling EntityQualified Scheduling EntityQualified Scheduling Entity Qualified Scheduling Entity Load Serving EntityLoad Serving EntityLoad Serving Entity Load Serving Entity Bilateral MarketBilateral MarketBilateral Market Bilateral Market Title: ERCOT Industry Model (as built)Title: ERCOT Industry Model (as built) Title: ERCOT Industry Model (as built) Drawn by: S. PalDrawn by: S. Pal Drawn by: S. Pal Version: 1Version: 1 Version: 1 Date: 14 – Jan – 2019Date: 14 – Jan – 2019 Date: 14 – Jan – 2019 Project: GMLC 1.2.1 Grid ArchitectureProject: GMLC 1.2.1 Grid Architecture Project: GMLC 1.2.1 Grid Architecture