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NPRR860

Summary

Title Day-Ahead Market (DAM) Clean-Up
Next Group
Next Step
Status Approved on 04/10/2018
Effective Dates
05/01/2018

Action

Date Gov Body Action Taken Next Steps
04/10/2018 BOARD Approved
02/22/2018 TAC Recommended for Approval Revision Request Consideration
02/08/2018 PRS Recommended for Approval Revision Request Consideration
01/18/2018 PRS Recommended for Approval Impact Analysis Consideration

Voting Record

Date Gov Body Motion Result
04/10/2018 BOARD approved NPRR860 as recommended by TAC in the 2/22/18 TAC Report Passed
02/22/2018 TAC to recommend approval of NPRR860 as recommended by PRS in the 2/8/18 PRS Report Passed
02/08/2018 PRS to endorse and forward to TAC the 1/18/18 PRS Report and the Impact Analysis for NPRR860 Passed
01/18/2018 PRS to recommend approval of NPRR860 as amended by the 1/15/18 ERCOT comments Passed

Background

Status: Approved
Date Posted: Dec 21, 2017
Sponsor: ERCOT
Urgent: No
Sections: 4.1, 4.4.7.2, 4.5.1, 4.5.2
Description: This Nodal Protocol Revision Request (NPRR) clarifies certain current practices related to the Day-Ahead Market (DAM) and cleans up Protocol language to better match the current implementation. This NPRR: • Clarifies the language concerning offering in Three-Part Supply Offers and Ancillary Service Offers for Off-Line Non-Spinning Reserve (Non-Spin) in the same hour for DAM consideration, to reflect that it is done during clearing and not during transaction validation; • Removes the reference to Congestion Revenue Rights (CRRs) being co-optimized in DAM (a legacy of the CRR Offer transaction which was removed with NPRR322, Real-Time PTP Option Modeling); • Clarifies self-commitment treatment of resources that only have an Ancillary Service Offer submitted for DAM; and • Clarifies the Ancillary Service Offer resubmission rules when there is Ancillary Service insufficiency.
Reason: Administrative

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