Home  >  Market Rules  >  Nodal Protocols  >  Nodal Protocol Revision Requests

Nodal Protocol Revision Requests

This section contains nodal protocol revision requests (NPRRs) now in the approval process or already approved.

See NPRR Submission Process for access to revision request and comment forms.

Pending

NPRR Description Next Group
NPRR091 Scarcity Pricing and Mitigated Offer Cap During the Period Commencing on the Nodal Market Implementation Date and Continuing for a Total of 45 Days TAC
NPRR146 ICCP Telemetry Information Submittals TAC
NPRR147 DAM Short Pay Changes WMS
NPRR156 Transparency for PSS and Full Interconnection Studies Board of Directors
NPRR169 Clarify the Calculation and Posting of LMPs for the Load Zone and LMPs for each Hub Board of Directors
NPRR190 Clarification of Resource Definitions and Resource Registration of Self-Serve Generators for Reliability Purposes PRS
NPRR198 Load Used in RMR Studies Board of Directors
NPRR203 Amend Telemetry Bus Accuracy Requirements Board of Directors
NPRR204 Update Generic Startup Cost for Reciprocating Engines Board of Directors
NPRR205 Transmission and/or Distribution Service Provider (TDSP) Definition Revision PRS
NPRR207 Hour Start Unit Deselection and Half Hour Start Unit RUC Clawback TAC
NPRR208 Registration and Settlement of Distributed Generation (DG) Less Than One MW PRS
NPRR209 Data Posting Changes to Comply with P.U.C. Subst. R. 25.505 PRS
NPRR210 Wind Forecasting Change to P50, Synchronization with PRR841 PRS
NPRR211 Modify RUC Capacity Short Charge to Use Final Energy Trades PRS
NPRR212 Disputing Fuel Oil Price (FOP) Costs PRS
NPRR213 Deadlines for Initiating Alternative Dispute Resolution PRS
NPRR214 Wind-powered Generation Resource (WGR) High Sustained Limit (HSL) Update Process PRS
NPRR215 Resolution of Alignment Item A151 - Removal of Posting Requirement for RMR Services PRS

Approved

NPRR Description Approved On
NPRR001 Section 1, Zonal PRR Synchronization and ERCOT Staff Clarifications 07/18/2006
NPRR002 Section 3, Zonal PRR Synchronization and ERCOT Staff Clarifications 08/15/2006
NPRR003 Section 5, Zonal PRR Synchronization and ERCOT Staff Clarifications 09/19/2006
NPRR004 Section 8, Zonal PRR Synchronization and ERCOT Staff Clarifications 07/18/2006
NPRR005 Section 7 ERCOT Staff and TPTF Clarifications 07/18/2006
NPRR006 Section 4 ERCOT Staff Clarifications 07/18/2006
NPRR007 Section 9 Zonal PRR Synchronization and ERCOT Staff Clarifications 07/18/2006
NPRR008 PRR 307 Inclusion in Nodal 08/15/2006
NPRR009 Section 6 PRR Synchronization and ERCOT Staff Clarifications 08/15/2006
NPRR010 Synchronization of PRR630 and Section 3, Management Activities for the ERCOT System 08/15/2006
NPRR011 Revision to Credit Requirements 09/19/2006
NPRR012 CRR Granularity in CRR Auction 09/19/2006
NPRR013 Section 2, Zonal PRR Synchronization and ERCOT Staff Clarifications 09/19/2006
NPRR014 Zonal PRR Synchronization for Section 16 09/19/2006
NPRR015 Zonal PRR Synchronization Section 22 Attachment H 09/19/2006
NPRR016 TPTF Cleanup Items for Sections 2, 3, and 16 09/19/2006
NPRR017 Discontinuation of Interest Charge for Defaulting Entities at Time of Uplift 10/17/2006
NPRR019 Black Start Testing Requirements 12/12/2006
NPRR020 ERCOT Nodal Implementation Surcharge 07/17/2007
NPRR022 MIS Posting for Area Trades 10/17/2006
NPRR023 Correction to Formatting of Section 8.1.2.2.1 10/17/2006
NPRR024 Synchronization of PRRs 627 and 640 07/17/2007
NPRR025 Definition of Annual Planning Model 10/17/2006
NPRR026 Nodal Implementation Surcharge Verifiable Costs 07/17/2007
NPRR027 Block Offers in CRR Auction 10/17/2006
NPRR028 CRR Trading in Blocks Only 10/17/2006
NPRR029 Network Model Testing Clarification 10/17/2006
NPRR030 Addition to CRR Account Holder Qualification Criteria 10/17/2006
NPRR031 Correction of Voltage Support Bill Determinants 12/12/2006
NPRR032 Correction of Black Start Bill Determinants 12/12/2006
NPRR033 Settlement of CRRs When DAM Does Not Execute 12/12/2006
NPRR034 Conforming Section 10 to Nodal Format 01/16/2007
NPRR035 Nodal Protocol Clarifications Required For Net Metering Provisions 07/17/2007
NPRR036 Market Operations Test Environment (MOTE) in the Nodal Market 07/17/2007
NPRR037 Conforming Section 13 to Nodal Format and Changing Frequency of Transmission Loss Base Case Calculations 07/17/2007
NPRR038 Synchronization of PRR624 01/16/2007
NPRR039 Availability of Ancillary Service Offers for the Supplementary Ancillary Service Market 07/17/2007
NPRR041 Corrections to Section 4, Day-Ahead Operations 07/17/2007
NPRR042 Corrections to Section 5, Transmission Security Analysis and Reliability Unit Commitment 07/17/2007
NPRR043 Corrections to Section 7, Congestion Revenue Rights 07/17/2007
NPRR044 Corrections to Section 6, Adjustment Period and Real-Time Operations 07/17/2007
NPRR045 Wind Power Forecasting 10/16/2007
NPRR046 Real-Time ICCP Communications Only 05/16/2007
NPRR047 Credit Monitoring – ERCOT Staff Clarifications 07/17/2007
NPRR048 Revised Wording of Opportunity Outages for Transmission Facilities 07/17/2007
NPRR049 Generation Subsystem Changes to Incorporate Approved Whitepapers 07/17/2007
NPRR050 Clarifications for HSL Values for WGRs and WGR Values to be Used in the RUC Capacity Short Calculation 07/17/2007
NPRR051 Removal of the Pseudo Resource Requirement in the Real Time Security Constrained Economic Dispatch (SCED) Process 07/17/2007
NPRR052 Settlement for Non-Modeled Generators 07/17/2007
NPRR054 Update of Nodal Protocols to Comply with NERC Name Change – Companion to PRR711 05/16/2007
NPRR055 Correction of Voltage Support QSE Total Bill Determinants 07/17/2007
NPRR057 Posting Requirements Pursuant PUC Subst. R. 25.505 07/17/2007
NPRR058 Clarification of Standard Form Market Participant Agreement 07/17/2007
NPRR059 Reconfiguring the Annual CRR Auction 07/17/2007
NPRR060 Hub Clarification 07/17/2007
NPRR061 Scarcity Pricing Mechanism 07/17/2007
NPRR062 Constraint Competitiveness Test 07/17/2007
NPRR063 Electrical Bus Clarification 07/17/2007
NPRR064 Modeling of Generic Transmission Constraints 07/17/2007
NPRR065 Synchronization of PRR647, Gross and Net MW/Mvar Data Reporting 07/17/2007
NPRR066 Synchronization of PRR698, Remove Default QSE Provisions 07/17/2007
NPRR067 Modeling of Private Use Networks 07/17/2007
NPRR068 Settlement Clarifications to Startup Eligibility, Decommitment Payments and Corrections to RUC Formulas 07/17/2007
NPRR069 Changes to SURAMP 07/17/2007
NPRR070 Changes to DAM Clearing Start Time Allocation of McCamey Flowgate Rights in Day-Ahead Market 07/17/2007
NPRR071 Trade Validation by Matching Identical Trade Submissions 07/17/2007
NPRR072 Day-Ahead RMR Settlement Clarifications 07/17/2007
NPRR073 Update of Sections 6.6 and 6.7 Due Requirements, Use Cases and CSDs 07/17/2007
NPRR075 Section-9, Settlements Clean-up 07/17/2007
NPRR076 Synchronization of Emergency Electric Curtailment Plan (EECP) Event Realignment 12/11/2007
NPRR077 Incorporating the ERCOT Internal Audit Department and Other Clarifications 12/11/2007
NPRR078 Simplifying the Dispute Process 01/15/2008
NPRR080 Revised Wording of Protocol Section 3.1.5.1 10/16/2007
NPRR081 Automatic Voltage Regulator (AVR) Status 03/18/2008
NPRR082 Section 8, Performance Monitoring and Compliance, Revisions to Monitoring and Qualification Tests 12/11/2007
NPRR083 Remove Real-Time Energy Charge for a BLT from List of Real-Time Charge Types 12/11/2007
NPRR084 Creating Amendment to Standard Form Market Participant Agreement 02/19/2008
NPRR085 Revision of Digital Certificate Procedures 02/19/2008
NPRR086 Settlement Clarifications to RUC Capacity Shortfall Ratio Share Formula 01/15/2008
NPRR087 Market Monitor Terminology Change 01/15/2008
NPRR088 Revision to 16.11.5, Monitoring of a Counter-Party’s Creditworthiness and Credit Exposure by ERCOT 02/19/2008
NPRR089 Changing Posting Requirement of Certain Documents From MIS Secure to Public Area 03/18/2008
NPRR090 Corrections of FIP-FOP in Energy Offers 02/19/2008
NPRR092 Remove Voltage Schedules Requirement 04/15/2008
NPRR094 Correct Reference to CRR Credit Limit 03/18/2008
NPRR095 Clarify Recipients of MCFRIs 03/18/2008
NPRR096 Revisions to the RMR Startup Energy Payment 03/18/2008
NPRR097 Changes to Section 8 to Incorporate Role of TRE, the IMM, and the Concept of Market Compliance 08/19/2008
NPRR098 Protocol Sections 4 and 6 Formula Clarifications and Related Revisions 03/18/2008
NPRR099 RMR Incentive Factor Payment 04/15/2008
NPRR100 PCRR Release Mechanism 04/15/2008
NPRR101 Modify Time Requirements for Entry of Equipment in the Outage Scheduler 04/15/2008
NPRR102 Implementation of PUC Subst. R. 25.505(f), Publication of Resource and Load Information 10/21/2008
NPRR103 Settlement of Power Imported via DC Ties and Block Load Transfer Under a Declared Emergency Condition 04/15/2008
NPRR105 Section 23, Synchronization of Zonal Protocols 06/17/2008
NPRR106 Section 24, Synchronization of Zonal Protocols 06/17/2008
NPRR107 Nodal Emergency Interruptible Load Service (EILS) 07/15/2008
NPRR108 Fuel Oil Price (FOP) Clarification 05/20/2008
NPRR109 Section 18, Synchronization of Zonal Protocols 06/17/2008
NPRR110 Section 20, Synchronization of Zonal Protocols 06/17/2008
NPRR111 Timelines for Response by ERCOT to TSP Requests 07/15/2008
NPRR112 Emergency Base Point Price Revision 07/15/2008
NPRR113 Load Resource Type Indicator for Ancillary Service (AS) Trades and Self-Arranged AS 10/21/2008
NPRR114 Section 11, Synchronization of Zonal Protocols 08/19/2008
NPRR117 Resource Registration Clarification 07/15/2008
NPRR118 Section 14, Synchronization of Zonal Protocols 07/15/2008
NPRR119 Resource Limit Calculator 07/15/2008
NPRR120 Corrections and Clarifications for Real Time Settlements 07/15/2008
NPRR122 Simplify Ancillary Services Settlement Formulas 07/15/2008
NPRR123 Inadvertent Energy Account Revision 07/15/2008
NPRR124 Resource Node Updated Definitions
NPRR126 Section 19, Synchronization of Zonal Protocols 09/16/2008
NPRR127 Section 22 Attachments A, I, J & M, Synchronization of Zonal Protocols 08/19/2008
NPRR128 Combined Cycle Power Blocks with Multiple Voltage Interconnections 11/17/2008
NPRR129 Section 15, Synchronization of Zonal Protocols 10/21/2008
NPRR130 CRR Settlements Revenue Equalization 07/15/2008
NPRR131 Ancillary Service Trades with ERCOT 01/19/2010
NPRR132 Outage Clarification 08/19/2008
NPRR133 Addtion of PSSE Format 08/19/2008
NPRR134 Section 7 Cleanup 11/17/2008
NPRR135 Deletion of UFE Analysis Zone Language 03/17/2009
NPRR136 Interim Solution for 15-Minute Settlement of Advanced Meters 11/17/2008
NPRR138 Credit Monitoring and Management Reports 11/17/2008
NPRR139 ACL, EAL, FCE Calculation Updates 11/17/2008
NPRR140 Revision to CRR Obligation Margin Adder 01/20/2009
NPRR141 TSP Energy Storage for Reliability (formerly “TSP and/or DSP Energy Storage for Reliability”) 06/16/2009
NPRR142 EECP Media Appeal Change 01/20/2009
NPRR143 Section 9.9.1, Invoice Recipient Payment to ERCOT for the CRR Auction, Clean-up 11/17/2008
NPRR144 Five RUC Deployments Needed Before Requiring Verifiable Costs 10/21/2008
NPRR145 PPAs as Resource-Specific Verifiable Costs Documentation 11/17/2008
NPRR148 Treatment of Financial Information as Confidential 11/17/2008
NPRR149 Change the name of Emergency Electric Curtailment Plan (EECP) to Energy Emergency Alert (EEA) 04/22/2009
NPRR150 Responsive Reserve Service Offer Floor 11/17/2008
NPRR152 References to Section 22 Attachments 01/20/2009
NPRR153 Generation Resource Fixed Quantity Block 01/19/2010
NPRR154 Corrections of Entities Able to Bid for Point-To-Point Obligations in the Day-Ahead Market 01/20/2009
NPRR155 Clarification of Authorized Representative 01/20/2009
NPRR157 Extending Black Start Service Bid Timeline 05/20/2009
NPRR158 EILS Self-Provision Formula Correction and Clarifications 07/21/2009
NPRR159 Resource Category Startup Offer Generic Cap for Wind Resources 01/20/2009
NPRR160 Elimination of the Non-ERCOT LSE Fee 01/20/2009
NPRR161 Clarification of Establishing Decision-Making Authority of Managed Capacity 03/17/2009
NPRR162 Change the Sign Convention of Net Real Power Consumption, LPC and MPC of Load Resources (formerly titled “Change the Sign Convention for Load Resources”) 01/20/2009
NPRR163 Removal of Late Fee Language 05/21/2009
NPRR164 Resubmitting Ancillary Service Offers in SASM 01/19/2010
NPRR165 Synchronizing Section 1 with PRR697 09/15/2009
NPRR166 Timing for Required Black Start Unit Load Carrying Test 05/20/2009
NPRR167 Options for Filing Verifiable Costs – QSEs or Resources 05/21/2009
NPRR168 Change the Definition of "Start-up" and Include the Fuel from Breaker Close to LSL in Startup Costs (formerly titled "Verifiable Costs General Corrections") 09/15/2009
NPRR170 Synchronization of PRR806, Re-Registration of Market Participant due to Mass Transition of ESI IDs 07/21/2009
NPRR171 Synchronization of PRR805, Adding POLR Customer Class and AMS Meter Flag to the Database Query Function on the MIS 08/18/2009
NPRR172 Synchronization of Section 15 with PRR782, Clean-up and Corrections to Terminology and Transaction Timings in Protocol Section 15, Customer Registration 06/16/2009
NPRR173 Reduce the Minimum Quantity for Ancillary Service Offers 06/16/2009
NPRR174 FIP Modifications in Verifiable Startup and Minimum Energy Cost and Recovery of Exceptional Fuel Costs During RUC Intervals 10/20/2009
NPRR175 Hub Bus List Clarification 08/18/2009
NPRR176 Resource Status Input to RUC and Ancillary Service Awards from RUC 08/18/2009
NPRR177 Synchronization of Nodal Protocols with PRR808, Clean-up and Alignment of RECs Trading Program Language with PUCT Rules 08/18/2009
NPRR178 Regulation Reduction (GS-FR3) and Reg-Up/Reg-Down Allocation to QSEs 08/18/2009
NPRR180 Reconciliation of CRR Related Protocol Language 08/18/2009
NPRR181 FIP Definition Revision 01/19/2010
NPRR182 Non-Protocol Postings on the Market Information System 08/18/2009
NPRR183 Synchronization of PRR790, Load Profile ID Annual Validation Change Request 09/15/2009
NPRR184 Section 2, Addition of Definitions and Acronyms from Zonal Protocols and Clarifications 09/15/2009
NPRR185 Cancellations of RUC-Committed Resources 09/15/2009
NPRR186 Naming Convention Clarification 09/15/2009
NPRR187 Definition for Transmission and/or Distribution Service Provider 08/18/2009
NPRR188 MVA for SCED Input 09/15/2009
NPRR189 Ancillary Service Deployment Clarification 10/20/2009
NPRR191 Synchronization of PRR819, Changes to Support Revisions to the PUCT POLR and Expedited Switch Rules 10/20/2009
NPRR192 QSE Energy and Ancillary Service Compliance Criteria 09/15/2009
NPRR193 Application of Nodal Implementation Surcharge in Verifiable Costs 10/20/2009
NPRR194 Synchronization of Zonal Unannounced Generation Capacity Testing Process 01/19/2010
NPRR195 Removal of McCamey Congestion Management from Nodal Protocols 10/20/2009
NPRR196 Synchronization of Nodal Protocols with PRR827, Find Transaction and Find ESI ID Functions on the MIS 12/15/2009
NPRR197 Section 21, Synchronization of Zonal Protocols 01/19/2010
NPRR199 Shift Factors by Resource Node 02/16/2010
NPRR200 MMS DC Tie Schedule Data Source 02/16/2010
NPRR201 Calculation of Transmission and Distribution Losses 02/16/2010
NPRR202 Clarification of Network Operations Model and State Estimator Postings 01/19/2010
NPRR206 Nodal Market Day-Ahead Market Credit Requirements 02/16/2010

Withdrawn

NPRR Description Withdrawn On
NPRR040 Synchronization of Emergency Electric Curtailment Plan (EECP) Event Realignment 07/09/2007
NPRR074 Revisions to Monitoring and Qualification Tests in Section 8, Performance Monitoring and Compliance 09/25/2007
NPRR093 Clarification to Definition of DUNS Number; Section 2, Definitions and Acronyms 01/11/2008
NPRR104 Corrections and Clarifications for Real Time Settlements and Ancillary Service Net Obligations 04/21/2008
NPRR115 Grey-Boxing of Settlement and Billing Related Information Calculation 04/29/2008
NPRR116 Addition of Commercially Traded Points to Settlement Point List 04/09/2008
NPRR121 System Parameters Posting Frequency 04/22/2008
NPRR125 Creation of a New Trading Hub at Venus Switching Station 04/21/2008
NPRR137 Synchronization and Update of Section 21 10/23/2008
NPRR151 Clarify Definition of a Generator Output Breaker in the Outage Scheduler 03/26/2009
NPRR179 ERCOT Polled Settlement Load Data 07/21/2009

Rejected

NPRR Description Rejected On
NPRR018 Separate LaaR and Generator MCPCs for RRS 01/04/2007
NPRR021 Reduce Timeline for Notice and Cure and Create a Working Credit Limit 09/21/2006
NPRR053 Creation of a New Trading Hub at Venus Switching Station 06/21/2007
NPRR056 Modify Competitive Load Zones
NPRR079 Remove Shift Schedule Posting Requirement 08/23/2007

Reports

All NPRRs