NPRR #1145 · Revision Request
NPRR1145 Use of State Estimator-Calculated ERCOT-Wide TLFs in Lieu of Seasonal Base Case ERCOT-Wide TLFs for Settlement
ReasonMarket efficiencies or enhancements
Created2022-08-11
Approved2023-05-11
Sections Affected
2.113.1.113.1.213.2.213.2.313.2.413.2.513.2.5 (new)13.413.4.1
Summary
This Nodal Protocol Revision Request (NPRR) changes the 15-minute level ERCOT-wide Transmission Loss Factors (TLFs) that are used in the Settlement process from seasonal base case TLFs to State Estimator-calculated TLFs in Energy Management System (EMS). It also clarifies the use of Non-Opt-In Entity (NOIE) deemed actual TLFs to remove behind-the-meter Transmission Losses.
Action Log 6 milestones
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Aug 11
PRSDeferred/Tabled→ Language Consideration
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Feb 9
PRSRecommended for Approval→ Impact Analysis Consideration
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Mar 8
PRSRecommended for Approval→ Revision Request Consideration
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Mar 21
TACRecommended for Approval→ Revision Request Consideration
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Apr 18
BOARDRecommended for Approval→ Revision Request Consideration
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May 11
PUCTApproved
Amendments
| Date | Body | Motion | Result |
|---|---|---|---|
| Feb 9 '23 | PRS | to recommend approval of NPRR1145 as amended by the 8/10/22 ERCOT comments | Passed |
| Mar 21 '23 | TAC | to recommend approval of NPRR1145 as recommended by PRS in the 3/8/23 PRS Report as revised by TAC | Passed |
Ballots
| Date | Body | Result | Yes | No | Abstain | |
|---|---|---|---|---|---|---|
| Mar 21 '23 | TAC | Motion Passes | 30 | 0 | 0 | xls |
| Mar 8 '23 | PRS | Motion Carries | 7 | 0 | 0 | xls |
| Feb 9 '23 | PRS | Motion Carries | 7 | 0 | 0 | xls |
| Feb 6 '23 | WMS | Motion Carries | 7.5 | 0 | 0 | xls |
| Jan 11 '23 | WMS | Motion Carries | 6.25 | 1.25 | 0 | xls |
| Aug 11 '22 | PRS | Motion Carries | 7 | 0 | 0 | xls |
| WMS | Motion Carries | 7.5 | 0 | 0 | xls |
Documents 19
| Name | Type | Posted | Classification |
|---|---|---|---|
| 1145NPRR-01 Use of State Estimator-Calculated ERCOT-Wide TLFs in Lieu of Seasonal Base Case ERCOT-Wide TLFs for Settlement_072722 | doc | Jul 27 '22 | Revision Request |
| 1145NPRR-02 Impact Analysis 072722 | docx | Jul 27 '22 | Staff Report |
| 1145NPRR-03 ERCOT Comments 081022 | doc | Aug 10 '22 | Revision Request Comments |
| 1145NPRR-04 PRS Ballot 081122 | xls | Aug 16 '22 | Revision Request Ballot |
| 1145NPRR-05 PRS Report 081122 | doc | Aug 16 '22 | Committee Report |
| 1145NPRR-06 WMS Ballot 090722 | xls | Sep 14 '22 | Revision Request Ballot |
| 1145NPRR-07 WMS Comments 091422 | doc | Sep 14 '22 | Revision Request Comments |
| 1145NPRR-08 WMS Ballot 011123 | xls | Jan 13 '23 | Revision Request Ballot |
| 1145NPRR-09 WMS Comments 011323 | doc | Jan 13 '23 | Revision Request Comments |
| 1145NPRR-10 WMS Ballot 020623 | xls | Feb 14 '23 | Revision Request Ballot |
| 1145NPRR-11 WMS Comments 021423 | doc | Feb 14 '23 | Revision Request Comments |
| 1145NPRR-12 PRS Ballot 020923 | xls | Feb 14 '23 | Revision Request Ballot |
| 1145NPRR-13 PRS Report 020923 | doc | Feb 14 '23 | Committee Report |
| 1145NPRR-14 PRS Ballot 030823 | xls | Mar 10 '23 | Revision Request Ballot |
| 1145NPRR-15 PRS Report_030823 | doc | Mar 10 '23 | Committee Report |
| 1145NPRR-16 TAC Ballot 032123 | xls | Mar 24 '23 | Revision Request Ballot |
| 1145NPRR-17 TAC Report 032123 | doc | Mar 24 '23 | Committee Report |
| 1145NPRR-18 Board Report 041823 | doc | Apr 20 '23 | Committee Report |
| 1145NPRR-19 PUCT Report 051123 | doc | May 12 '23 | Committee Report |
Meetings That Took It Up 17
| Date | Meeting | Committee | Status |
|---|---|---|---|
| Apr 18 '23 | Board of Directors Meeting | BOARD | Concluded |
| Mar 21 '23 | TAC Meeting | TAC | Concluded |
| Mar 8 '23 | PRS Meeting | PRS | Concluded |
| Feb 9 '23 | PRS Meeting - Webex Only | PRS | Concluded |
| Feb 6 '23 | WMS Meeting - Webex Only | WMS | Concluded |
| Feb 1 '23 | WMS Meeting - Webex Only (RESCHEDULED) | WMS | Rescheduled |
| Jan 17 '23 | PRS Meeting | PRS | Concluded |
| Jan 11 '23 | WMS Meeting | WMS | Concluded |
| Dec 8 '22 | PRS Meeting By Webex Only | PRS | Concluded |
| Nov 11 '22 | PRS Meeting by Webex Only | PRS | Concluded |
| Nov 2 '22 | WMS Meeting by Webex Only | WMS | Concluded |
| Oct 21 '22 | WMWG Meeting by Webex Only | WMWG | Concluded |
| Oct 13 '22 | PRS Meeting | PRS | Concluded |
| Oct 12 '22 | WMS Meeting | WMS | Concluded |
| Sep 15 '22 | PRS Meeting | PRS | Concluded |
| Sep 7 '22 | WMS Meeting | WMS | Concluded |
| Aug 11 '22 | PRS Meeting | PRS | Concluded |