NPRR #598 · Revision Request
NPRR598 Clarify Inputs to PRC and ORDC
ReasonMarket efficiencies or enhancements
Created2014-02-13
Approved2014-04-08
Sections Affected
6.5.7.36.5.7.56.7.4
Summary
This Nodal Protocol Revision Request (NPRR) aligns the inputs to Physical Responsive Capability (PRC) and ORDC; stipulates the treatment of Off-Line capacity during scarcity conditions; and also proposes the following changes: · Removes STARTUP and SHUTDOWN status from PRC and ORDC calculations; · Sets Real-Time Off-Line available reserves used in the ORDC calculation to zero when SCED snapshot of the PRC becomes less than or equal to 2,300 MW which is the PRC MW at which Energy Emergency Alert (EEA) Level 1 is initiated; and · Changes the Load Resource Responsive Reserve (RRS) schedule used in ORDC to Max { min{Telemetered MW, RRS schedule, max[MPC - LPC - (Regulation responsibility + Non-Spin responsibility + Down Regulation responsibility), 0]}, 0}
Timeline
- Feb 12 '14
-
Feb 13 '14
PRSEmail Vote / Unlisted MeetingPRSRecommended for Approval Recommended for approval Forwarded → TAC“To recommend approval of NPRR598 as submitted and to forward it and the Impact Analysis to TAC.” — Passed→ TAC for consideration
- Feb 20 '14
-
Feb 27 '14
TAC TAC MeetingTACRecommended for Approval Recommended for approval Amended by the Feb 25 '14 ERCOT comments Recommended for approval Amended by the Feb 25 '14 ERCOT comments Action“To recommend approval of NPRR598 as recommended by PRS in the 2/13/14 PRS Report and as amended by the 2/25/14 ERCOT comments; to recommend approval of the "Methodology for Implementing Operating Reserve Demand Curve (ORDC) to Calculate Real-Time Reserve Price Adder" as amended by the 2/25/14 ERCOT comments - Attachment 1; and to add the methodology to the Other Binding Document List.” — Passed→ ERCOT Board for consideration
-
Mar 27 '14
TAC TAC Meeting“TAC Motion re 598OBD - Frazier/Goff move to endorse a proposed change to ERS that would remove ERS from ORDC calc when it is deployed, with a variable restoration time back into the calc, but upon implementation incrementally over 10 hours ( or rather endorse GDF Suez comments to Attachment 1 as amended by TAC and with ERCOT comments.)”“TAC Motion re 598OBD - FrazierStephenson move to endorse ERCOT and GDFSuez comments as revised by TAC, remove ERS from ORDC calculation,and to reject Luminant proposal for elimination of LRS from ORDC calculation.”
-
Apr 8 '14
BOARD Board of Directors MeetingBOARDApproved Recommended for approval Amended by the Mar 28 '14 TAC comments“To approved NPRR598 as amended by the 3/28/14 TAC comments.” — Passed
-
May 7 '14
Listed without action at 1 meeting