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NPRR735

Summary

Title Load Resource Controlled by High-Set Under-Frequency Relay Resource Parameters
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Next Step
Status Approved on 12/08/2015
Effective Dates
01/01/2016

Action

Date Gov Body Action Taken Next steps
12/08/2015 BOARD Approved
11/19/2015 TAC Recommended for Approval Board for consideration
11/12/2015 PRS Recommended for Approval TAC for consideration
10/15/2015 PRS Recommended for Approval PRS for Impact Analysis review

Voting Record

Date Gov Body Motion Result
12/08/2015 BOARD To approve NPRR735 as recommended by TAC in the 11/19/15 TAC Report Passed
11/19/2015 TAC To recommend approval of NPRR735 as recommended by PRS in the 11/12/15 PRS Report Passed
11/12/2015 PRS To endorse and forward to TAC the 10/15/15 PRS Report and Impact Analysis for NPRR735 Passed
10/15/2015 PRS To recommend approval of NPRR735 as submitted Passed

Background

Status: Approved
Date Posted: Sep 30, 2015
Sponsor: ERCOT
Urgent: No
Sections: 3.9 and 3.9.1
Description: This Nodal Protocol Revision Request (NPRR) clarifies that the Current Operating Plan (COP) High Sustained Limit (HSL) for Load Resources controlled by high-set under-frequency relay should be equal to their expected power consumption. In Real-Time telemetry the HSL should equal their consumption. ERCOT can calculate the value for the additional available capacity from Load Resources controlled by high-set under frequency relays with a Responsive Reserve (RRS) Ancillary Service Resource Responsibility from (COP HSL – COP LSL – COP RRS). This value can be used in place of the COP value for additional available capacity from NPRR698, Clarifications to NPRR595, RRS Load Resource Treatment In ORDC.
Reason: Market efficiencies / enhancements

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