- Home
- Market Rules
Market Rules
Balanced market rules are a basic element in Texas competition. Clear, predictable and well-designed rules help foster a stable electricity market. Electric Reliability Council of Texas (ERCOT) market rules are developed by participants from all aspects of the electricity industry. The rules and amendments are reviewed by the Public Utility Commission of Texas to ensure that they satisfy the public interest.
In this section, you will find the ERCOT protocols, guides, policies and procedures that help steer the Texas market participants.
Pending Revision Requests and Issues
| Issue | Title |
|---|---|
| VCMRR031 | Clarification Related to Variable Costs in Fuel Adders |
| RRGRR032 | Related to NPRR1132, Communicate Operating Limitations during Cold and Hot Weather Conditions |
| VCMRR033 | Excluding Exceptional Fuel Costs from Fuel Adders |
| VCMRR034 | Excluding RUC Approved Fuel Costs from Fuel Adders |
| VCMRR035 | Allow Verified Contractual Costs in Fuel Adder Calculation |
| OBDRR041 | Updates to Requirements for Aggregate Load Participation in the ERCOT Markets |
| OBDRR043 | Related to NPRR1148, Language Cleanup Related to ERCOT Contingency Reserve Service (ECRS) |
| LPGRR069 | Add Lubbock Zip Codes |
| PGRR073 | Related to NPRR956, Designation of Providers of Transmission Additions |
| RMGRR170 | Inadvertent Gain Process Updates |
| NOGRR215 | Limit Use of Remedial Action Schemes |
| NOGRR226 | Addition of Supplemental UFLS Stages |
| NOGRR230 | WAN Participant Security |
| NOGRR241 | Related to NPRR1127, Clarification of ERCOT Hotline Uses |
| NOGRR242 | Update POIB References |
| NOGRR243 | Implementation of Seasonal Load Shed Tables |
| SCR820 | Operator Real-Time Messaging During Emergency |
| SCR821 | Voltage Set Point Target Information for Distribution Generation Resource (DGR) or Distribution Energy Storage Resource (DESR) |
| SCR823 | ERCOT Mass System “County Name” File Updates for Texas SET V5.0 Implementation |
| NPRR956 | Designation of Providers of Transmission Additions |
| NPRR1058 | Resource Offer Modernization |
| NPRR1067 | Market Entry Qualifications, Continued Participation Requirements, and Credit Risk Assessment |
| NPRR1070 | Planning Criteria for GTC Exit Solutions |
| NPRR1084 | Improvements to Reporting of Resource Outages, Derates, and Startup Loading Failures |
| NPRR1089 | Requiring Highest-Ranking Representative, Official, or Officer of a Resource Entity to Execute Weatherization and Natural Gas Declarations |
| NPRR1118 | Clarifications to the OSA Process |
| NPRR1127 | Clarification of ERCOT Hotline Uses |
| NPRR1128 | Allow FFR Procurement up to FFR Limit Without Proration |
| NPRR1132 | Communicate Operating Limitations during Cold and Hot Weather Conditions |
| NPRR1138 | Communication of Capability and Status of Online IRRs at 0 MW Output |
| NPRR1139 | Adjustments to Capacity Shortfall Ratio Share for IRRs |
| NPRR1140 | Recovering Fuel Costs for Generation Above LSL During RUC-Committed Hours |
| NPRR1143 | Provide ERCOT Flexibility to Determine When ESRs May Charge During an EEA Level 3 |
| NPRR1144 | Station Service Backup Power Metering |
| NPRR1145 | Use of State Estimator-Calculated ERCOT-Wide TLFs in Lieu of Seasonal Base Case ERCOT-Wide TLFs for Settlement |
| NPRR1146 | Credit Changes to Appropriately Reflect TAO Exposure |
| NPRR1147 | Update and Improve Notification and Evaluation Processes Associated with Reliability Must-Run (RMR) |
| NPRR1148 | Language Cleanup Related to ERCOT Contingency Reserve Service (ECRS) |
| NPRR1149 | Implementation of Systematic Ancillary Service Failed Quantity Charges |
| NPRR1150 | Related to NOGRR230, WAN Participant Security |
| NPRR1151 | Protocol Revision Subcommittee Meeting Requirement |