To table NPRR334 and to request that ROS and WMS review NPRR334 and provide input
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Feb 25, 2011
This Nodal Protocol Revision Request (NPRR) adds language to incorporate a percentage requirement limiting the amount of Regulation Service that Generation Resources may provide; and to provide for an annual ERCOT review of the percentage requirement limiting the amount of Regulation Service that Generation Resources may provide.
The reason for this NPRR is to:
Increase the distribution of Regulation Responsibilities across the ERCOT System;
Improve the dispatchability of On-Line Generation Resource capacity that is available to increase/decrease Security-Constrained Economic Dispatch (SCED) Base Points by minimizing Ramp Rate sharing between SCED and Regulation Service; and
Reduce the number of Reliability Unit Commitment (RUC) and Supplemental Ancillary Service Market (SASM) procurements that result from Regulation Service becoming undeliverable in Real-Time due to either a transmission constraint or a Qualified Scheduling Entity’s (QSE’s) failure to provide.