NPRR #1057 · Revision Request

NPRR1057 Modification to Real-Time Hub Price Formulas for Fully De-Energized Hubs

Approved sponsor ERCOT posted 2020-11-24 ercot.com

ReasonMarket efficiencies or enhancements

Created2020-12-10

Approved2021-04-13

Sections Affected

3.5.2.13.5.2.23.5.2.33.5.2.43.5.2.53.5.2.63.5.2.76.6.1.5

Summary

This Nodal Protocol Revision Request (NPRR) revises paragraph (2) of Section 6.6.1.5, Hub LMPs, to apply the Hub Locational Marginal Price (LMP) formulas to the Panhandle 345 kV Hub and the Lower Rio Grande Valley 138/345 kV Hub. In the case of the Lower Rio Grande Valley 138/345 kV Hub, this proposed change would only apply after implementation of NPRR941, Create a Lower Rio Grande Valley Hub. The proposed revisions also eliminate the portions of Hub Real-Time Settlement Point Prices (SPPs) formulas that are designed to address the condition of all Hub Buses within a Hub being de-energized. The SPP logic is redundant with what occurs in the calculation of LMPs and the formulas are unclear regarding how to manage the case in which all the Hub Buses are de-energized for only a portion of a 15-minute Settlement Interval.

Timeline

Nov 24 '20
PRSFiled by ERCOT
- 1057NPRR-01 Modification to Real Time Hub Price Formulas for Fully De Energized Hubs 112420 Nov 24 '20 · Revision Request
- 1057NPRR-02 Impact Analysis 112420 Nov 24 '20 · Staff Report
Dec 10 '20
PRS PRS Meeting by Webex Only
PRSDeferred/Tabled Tabled Referred → WMS
“to table NPRR1057 and refer the issue to WMS” — Passed

→ Language Consideration

Ballot 27–0 roll call
Jan 6 '21
WMS WMS Meeting by Webex Only
Motion Carries 7.5–0 roll call

“Endorse NPRR1057 as amended by the 12/28/20 ERCOT comments”
- 1057NPRR-03 PRS Ballot 121020 Dec 15 '20 · Revision Request Ballot
- 1057NPRR-04 PRS Report 121020 Dec 15 '20 · Committee Report
- 1057NPRR-05 ERCOT Comments 122820 Dec 28 '20 · Revision Request Comments
Jan 14 '21
PRS PRS Meeting by Webex Only
PRSRecommended for Approval Recommended for approval Amended by the Jan 8 '21 ERCOT comments
“to recommend approval of NPRR1057 as amended by the 1/8/21 ERCOT comments” — Passed

→ Impact Analysis Consideration

Motion Carries 7–0 (1 abstain) roll call
- 1057NPRR-06 WMS Ballot 010620 Jan 7 '21 · Revision Request Ballot
- 1057NPRR-07 WMS Comments 010721 Jan 7 '21 · Revision Request Comments
- 1057NPRR-08 ERCOT Comments 010821 Jan 8 '21 · Revision Request Comments
Feb 11 '21
PRS PRS Meeting by Webex Only
PRSRecommended for Approval Recommended for approval Forwarded → TAC priority 2021 · rank 3310
“to endorse and forward to TAC the 1/14/21 PRS Report and Impact Analysis for NPRR1057 with a recommended priority of 2021 and rank of 3310” — Passed

→ Revision Request Consideration

Motion Carries 7–0 (2 abstain) roll call
- 1057NPRR-09 PRS Ballot 011421 Jan 20 '21 · Revision Request Ballot
- 1057NPRR-10 PRS Report 011421 Jan 20 '21 · Committee Report
Mar 24 '21
TAC TAC Meeting by Webex Only
TACRecommended for Approval Recommended for approval
“to recommend approval of NPRR1057 as recommended by PRS in the 2/11/21 PRS Report” — Passed

→ Revision Request Consideration

Motion Passes 29–0 roll call
- 1057NPRR-11 PRS Ballot 021121 Feb 16 '21 · Revision Request Ballot
- 1057NPRR-12 PRS Report 021121 Feb 16 '21 · Committee Report
Apr 13 '21
BOARD Urgent Board of Directors Meeting – Teleconference Available by Webcast
BOARDApproved Approved
“to approve NPRR1057 as recommended by TAC in the 3/24/21 TAC Report, and the Revised Impact Analysis” — Passed
- 1057NPRR-13 TAC Ballot 032421 Mar 26 '21 · Revision Request Ballot
- 1057NPRR-14 TAC Report 032421 Mar 26 '21 · Committee Report
- 1057NPRR-15 Revised Impact Analysis 033121 Mar 31 '21 · Staff Report
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Posted since the last meeting
- 1057NPRR-16 Board Report 041321 Apr 15 '21 · Committee Report