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NPRR #598 · Revision Request

NPRR598  Clarify Inputs to PRC and ORDC

Approved Urgent sponsor ERCOT posted 2014-02-12 ercot.com
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