NPRRs 663NPRR Ancillary Service Insufficiency Actions. This Nodal Protocol Revision Request (NPRR) specifies the actions ERCOT will take to ensure sufficient.

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NPRRs 663NPRR Ancillary Service Insufficiency Actions. 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 Hourly Reliability Unit Commitment (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. 689NPRR Settlement of Ancillary Service Assignment in Real-Time Operations. This NPRR provides a Settlement mechanism for NPRR663, Ancillary Service Insufficiency Actions, by addressing the Settlement of Ancillary Services assigned during Real-Time Operations, as requested by WMS. This NPRR also includes administrative edits that consistently italicizes variables in equations and tables and aligns the formatting of equations in Sections and NPRR Clarification of EPS Metering Exception for ERS Generation. This Nodal Protocol Revision Request (NPRR) adds language in Section to exempt generation offering Emergency Response Service (ERS) during the current contract period from the ERCOT-Polled Settlement (EPS) metering requirement and allow the EPS-exempt ERS Generator to export energy to the ERCOT System during equipment testing. 718NPRR Correct Requirement for Posting AML Data. Current Protocol language requires that Adjusted Metered Load (AML) data be available for six months after the Operating Day. However, the Protected Information Status of AML data expires 180 days after the Operating Day, making the posting requirement infeasible. This Nodal Protocol Revision Request (NPRR) corrects the Protocols so that AML data is available for six months after posting

NPRRs 721NPRR Removal of Language Related to NPRR455, CRR Shift Factors Report. This Nodal Protocol Revision Request (NPRR) removes the grey-box for NPRR455, which requires the posting of a report of Shift Factors for binding constraints in a Congestion Revenue Right (CRR) Auction 722NPRR Removal of Language Related to NPRR181, FIP Definition Revision. This Nodal Protocol Revision Request (NPRR) eliminates revisions to the definition of “Fuel Index Price” and eliminates the introduction of the new defined term “Gas Day” introduced by NPRR181. These definition revisions remain unimplemented since Nodal Go-Live. 723NPRR Removal of grey-boxes from NPRR256, Add Non-Compliance Language to QSE Performance Standards. This Nodal Protocol Revision Request (NPRR) eliminates portions of NPRR256, including non- compliance language related to Qualified Scheduling Entity (QSE) performance standards which remain unimplemented since Nodal Market go-live 724NPRR Removal of Language Related to NPRR493, Half-Hour RUC Clawback. This Nodal Protocol Revision Request (NPRR) removes the grey-boxes for NPRR493, which define the term “Half-Hour Start Unit” and detail the Reliability Unit Commitment (RUC) Clawback treatment of such units.