Title Update and Improve Notification and Evaluation Processes Associated with Reliability Must-Run (RMR)
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Status Approved on 03/23/2023
Effective Dates


Date Gov Body Action Taken Next steps
03/23/2023 PUCT Approved
02/28/2023 BOARD Recommended for Approval PUCT for consideration
01/24/2023 TAC Recommended for Approval Board for consideration
12/08/2022 PRS Recommended for Approval TAC for consideration
11/11/2022 PRS Recommended for Approval PRS for Impact Analysis consideration
09/15/2022 PRS Deferred/Tabled PRS for consideration

Voting Record

Date Gov Body Motion Result
03/23/2023 PUCT To approve NPRR1147 and accompanying ERCOT Market Impact Statement as presented in Project No. 54445, Review of Rules Adopted by the Independent Organization Passed
02/28/2023 BOARD To recommend approval of NPRR1147 as recommended by TAC in the 1/24/23 TAC Report Passed
01/24/2023 TAC To recommend approval of NPRR1147 as recommended by PRS in the 12/8/22 PRS Report Passed
12/08/2022 PRS To endorse and forward to TAC the 11/11/22 PRS Report and 8/15/22 Impact Analysis for NPRR1147 Passed
11/11/2022 PRS To recommend approval of NPRR1147 as submitted Passed
09/15/2022 PRS To table NPRR1147 and refer the issue to ROS Passed


Status: Approved
Date Posted: Aug 15, 2022
Sponsor: ERCOT
Urgent: No
Sections:,,,,,, and 22E
Description: This Nodal Protocol Revision Request (NPRR): adds a 20 MW capacity threshold for conducting a Reliability Must-Run (RMR) reliability analysis; requires that an RMR study be conducted when a Resource Entity gives notice that a Generation Resource is ceasing operation permanently due to a Forced Outage; and updates Section 22, Attachment E to require Resource Entity to provide information about deactivation of Transmission Facilities as part of the suspension of operations of the unit.
Reason: Market efficiencies or enhancements / Clarification and consistency

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