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NPRR999

Summary

Title DC Tie Ramp Limitations
Next Group
Next Step
Status Approved on 10/13/2020

Action

Date Gov Body Action Taken Next Steps
10/13/2020 BOARD Approved
09/23/2020 TAC Recommended for Approval Revision Request Consideration
09/10/2020 PRS Recommended for Approval Revision Request Consideration
08/13/2020 PRS Deferred/Tabled Impact Analysis Consideration
07/16/2020 PRS Recommended for Approval Impact Analysis Consideration
06/11/2020 PRS Deferred/Tabled Language Consideration

Voting Record

Date Gov Body Motion Result
10/13/2020 BOARD to approve NPRR999 as recommended by TAC in the 9/23/20 TAC Report Passed
09/23/2020 TAC to recommend approval of NPRR999 as recommended by PRS in the 9/10/20 PRS Report Passed
09/10/2020 PRS to endorse and forward to TAC the 8/13/20 PRS Report and Revised Impact Analysis for NPRR999 Passed
08/13/2020 PRS to table NPRR999 Passed
07/16/2020 PRS to recommend approval of NPRR999 as amended by the 7/2/20 ERCOT comments Passed
06/11/2020 PRS to table NPRR999 Passed

Background

Status: Approved
Date Posted: Feb 20, 2020
Sponsor: ERCOT
Urgent: No
Sections: 4.4.4 and 4.4.4.3 (new)
Description: This Nodal Protocol Revision Request (NPRR) revises Protocol Section 4.4.4 and creates new Protocol Section 4.4.4.3 to clarify that, in those cases where ERCOT determines that system conditions show insufficient ramp capability to meet the sum of all Direct Current Ties’ (DC Ties’) scheduled ramp, ERCOT may either (1) curtail DC Tie schedules or (2) require DC Tie Operators to resubmit e-Tags with an adjusted ramp duration. This NPRR is proposed in accordance with the May 23, 2017, order of the Public Utility Commission of Texas (PUCT) in Project No. 46304, Oversight Proceeding Regarding ERCOT Matters Arising Out of PUC Docket No. 45624 Relating to DC Tie Project Proposed by Southern Cross Transmission, LLC, which requires ERCOT to address a number of issues as a condition for the energization of the DC Tie project proposed by Southern Cross Transmission LLC (“Southern Cross”). Relevant here, Directive 3 in the order requires ERCOT to “determine what ramp rate restrictions, if any, will be necessary to accommodate the interconnection of the Southern Cross DC Tie.”
Reason: Regulatory requirements

Key Documents

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