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NPRR663

Summary

Title Ancillary Service Insufficiency Actions
Next Group
Next Step
Status Approved on 10/13/2015
Effective Dates
02/10/2016

Action

Date Gov Body Action Taken Next steps
10/13/2015 BOARD Approved
09/24/2015 TAC Recommended for Approval Revision Request Consideration
09/10/2015 PRS Recommended for Approval Revision Request Consideration
08/13/2015 PRS Recommended for Approval Impact Analysis Consideration
06/11/2015 PRS Deferred/Tabled PRS for consideration.
11/06/2014 PRS Deferred/Tabled PRS for consideration.

Voting Record

Date Gov Body Motion Result
10/13/2015 BOARD To approve NPRR663 as recommended by TAC in the 9/24/15 TAC Report. Passed
09/24/2015 TAC To recommend approval of NPRR663 as recommended by PRS in the 9/10/15 PRS Report. Passed
09/10/2015 PRS To endorse and forward to TAC the 8/13/15 PRS Report as revised by PRS with an effective date of upon system implementation of NPRR689 and Impact Analysis for NPRR663. Passed
08/13/2015 PRS To recommend approval of NPRR663 as amended by the 7/22/15 ERCOT comments. Passed
06/11/2015 PRS To table NPRR663 and refer the issue to WMS. Passed
11/06/2014 PRS To table NPRR663 and refer the issue to WMS. Passed

Background

Status: Approved
Date Posted: Oct 17, 2014
Sponsor: ERCOT
Urgent: No
Sections: 4.5.2, 5.2.2.2, 6.5.9.3.3
Description: This Nodal Protocol Revision Request (NPRR) specifies the actions ERCOT will take to ensure sufficient Ancillary Service capacity exists in the event that ERCOT is unable to procure enough Ancillary Service capacity to meet its Ancillary Service Plan through the Day-Ahead Market (DAM). In summary, Supplementary Ancillary Service Market (SASM) and Houly Reliability Unit Commitement (HRUC) will be used, and in the event that Ancillary Service is still insufficient, Ancillary Service will be assigned to Qualified Scheduling Entities (QSEs) with Generation Resources based on available capacity. ERCOT’s intention is to keep this NPRR specific to ERCOT operational actions, with Settlement and other issues to be addressed in an additional NPRR submitted by Market Participants.
Reason: Addresses current operational issues Market Efficiencies or enhancements

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