| NOGRR282 ! Board Priority - Large Computational Load Ride-Through Requirements |
ERCOT |
Approved |
Nov 14 '25 |
Jul 9 '26 |
| NOGRR283 ! Board Priority - Related to NPRR1309, Dispatchable Reliability Reserve Service Ancillary Service |
ERCOT |
Approved |
Nov 20 '25 |
Jul 9 '26 |
| NOGRR272 ! Advanced Grid Support Requirements for Inverter-Based ESRs |
ERCOT |
Approved |
Oct 31 '24 |
Nov 6 '25 |
| NOGRR278 ! Related to NPRR1290, Gap Resolutions and Clarifications for the Implementation of RTC+B |
ERCOT |
Approved |
Jul 16 '25 |
Nov 6 '25 |
| NOGRR277 ! Related to NPRR1282, Ancillary Service Duration under Real-Time Co-Optimization |
ERCOT |
Approved |
Apr 29 '25 |
Jul 31 '25 |
| NOGRR274 ! Conform Nodal Operating Guide to Revisions Implemented for NPRR1217, Remove Verbal Dispatch Instruction (VDI) Requirement for Deployment and Recall of Load Resources and Emergency Response Service (ERS) Resources |
ERCOT |
Approved |
Feb 26 '25 |
May 15 '25 |
| NOGRR245 ! Inverter-Based Resource (IBR) Ride-Through Requirements |
ERCOT |
Approved |
Jan 11 '23 |
Sep 26 '24 |
| NOGRR253 ! Related to NPRR1178, Expectations for Resources Providing ERCOT Contingency Reserve Service |
ERCOT |
Approved |
May 3 '23 |
Jun 29 '23 |
| NOGRR248 ! Related to NPRR1157, Incorporation of PUCT Approval into Revision Request Process |
ERCOT |
Approved |
Feb 22 '23 |
May 11 '23 |
| NOGRR243 ! Implementation of Seasonal Load Shed Tables |
Joint TOs |
Approved |
Sep 29 '22 |
Jan 26 '23 |
| NOGRR239 ! WAN Data Protection Responsibilities |
ERCOT |
Approved |
Jan 19 '22 |
May 12 '22 |
| NOGRR236 ! Related to NPRR1105, Option to Deploy Distribution Voltage Reduction Measures Prior to Energy Emergency Alert (EEA) |
ERCOT |
Approved |
Nov 4 '21 |
Dec 16 '21 |
| NOGRR237 ! Related to NPRR1106, Deployment of Emergency Response Service (ERS) Prior to Declaration of Energy Emergency Alert (EEA) |
ERCOT |
Approved |
Nov 4 '21 |
Dec 16 '21 |
| NOGRR232 ! Related to NPRR1093, Load Resource Participation in Non-Spinning Reserve |
ERCOT |
Approved |
Sep 1 '21 |
Oct 28 '21 |
| NOGRR211 ! RTC – NOG 2 and 9: System Operations and Control Requirements and Monitoring Programs |
ERCOT |
Approved |
Mar 25 '20 |
Dec 8 '20 |
| NOGRR218 ! Removal of Annual Disturbance Monitoring Equipment Database Submission Requirement |
System Protection... |
Approved |
Aug 19 '20 |
Sep 23 '20 |
| NOGRR204 ! Related to NPRR989, BESTF-1 Energy Storage Resource Technical Requirements |
ERCOT |
Approved |
Dec 16 '19 |
Jun 9 '20 |
| NOGRR197 ! Align Responsive Reserve (RRS) Manual Deployment Requirements with Current Practice |
ERCOT |
Approved |
Oct 1 '19 |
Oct 23 '19 |
| NOGRR164 ! Alignment with NPRR792, Removing Special Protection System (SPS) and adding Remedial Action Scheme (RAS) |
ERCOT |
Approved |
Jul 27 '16 |
Dec 15 '16 |
| NOGRR050 ! Resolution of Reporting Issues Related to NPRR219 |
DeAnn Walker on... |
Approved |
Aug 12 '10 |
Jun 14 '16 |
| NOGRR140 ! Posting of the ERCOT Geomagnetic Disturbance Operating Plan |
CenterPoint Energy |
Approved |
Nov 4 '14 |
Jan 29 '15 |
| NOGRR130 ! Alignment with NPRR555 and NPRR434 |
ERCOT |
Approved |
Mar 13 '14 |
Apr 24 '14 |
| NOGRR127 ! Synchronization with NPRR564, Thirty-Minute Emergency Response Service (ERS) and Other ERS Revisions |
ERCOT |
Approved |
Jan 21 '14 |
Feb 27 '14 |
| NOGRR119 ! Revisions to Load Shed Table |
ERCOT |
Approved |
Jun 18 '13 |
Jul 2 '13 |
| NOGRR092 ! Synchronization with NPRR451 |
ERCOT |
Approved |
Apr 5 '12 |
Jun 7 '12 |
| NOGRR087 ! Reinsertion of Network Operations Modeling Requirements |
Planning Working Group (PLWG) |
Approved |
Nov 30 '11 |
Jan 5 '12 |
| NOGRR082 ! Synchronization with NPRR258 and Alignment of Primary Frequency Response Test Procedures |
ERCOT |
Approved |
Oct 7 '11 |
Dec 1 '11 |
| NOGRR069 ! Relay Misoperation Reporting Changes for Consistency with ERO-RAPA Proposal |
SPWG |
Approved |
Apr 6 '11 |
Sep 1 '11 |
| NOGRR068 ! Hydro-Responsive Reserve |
ERCOT |
Approved |
Mar 31 '11 |
Jul 7 '11 |
| NOGRR062 ! Require Voltage Ride-Through Capability for IRRs |
ERCOT |
Approved |
Mar 3 '11 |
Apr 7 '11 |
| NOGRR057 ! Daily Report Containing Loss of Generation Greater than 450 MW |
LCRA |
Approved |
Jan 6 '11 |
Mar 22 '11 |
| NOGRR048 ! Synchronization with OGRR240, CREZ Facility Protection and Control Requirements |
AEPSC |
Approved |
Jul 23 '10 |
Nov 4 '10 |
| NOGRR051 ! Synchronization with OGRR192 and OGRR238 |
ERCOT |
Approved |
Aug 17 '10 |
Oct 7 '10 |
| NOGRR053 ! Synchronization with OGRR226, Generation Resource Response Time Requirement |
Frank Owens on... |
Approved |
Sep 15 '10 |
Oct 7 '10 |
| NOGRR030 ! Synchronization -- Total Transmission Capacity Correction |
ERCOT |
Approved |
Sep 3 '09 |
Oct 1 '09 |
| NOGRR025 ! Monitoring Programs for QSEs, TSPs, and ERCOT |
ERCOT |
Approved |
Feb 6 '09 |
Sep 15 '09 |