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NPRR540

Summary

Title Clarification of Credible Single Contingency
Next Group
Next Step
Status Approved on 12/10/2013
Effective Dates
01/01/2014

Action

Date Gov Body Action Taken Next Steps
12/10/2013 BOARD Approved
11/07/2013 TAC Recommended for Approval Board for consideration
10/17/2013 PRS Recommended for Approval TAC for consideration
09/19/2013 PRS Deferred/Tabled PRS for IA review
08/22/2013 PRS Deferred/Tabled PRS for consideration
07/18/2013 PRS Recommended for Approval PRS for IA Review
05/16/2013 PRS Deferred/Tabled PRS for consideration.

Voting Record

Date Gov Body Motion Result
12/10/2013 BOARD To approve NPRR540 as recommended by TAC in the 11/7/13 TAC Report. Passed
11/07/2013 TAC To recommend approval of NPRR540 as recommended by PRS in the 10/17/13 PRS Report. Passed
10/17/2013 PRS To endorse and forward the 7/18/13 PRS Report and the Impact Analysis for NPRR540 to TAC. Passed
09/19/2013 PRS To table NPRR540 for one month. Passed
08/22/2013 PRS To table NPRR540. Passed
07/18/2013 PRS To recommend approval of NPRR540 as amended by the 7/10/13 ERCOT comments and as revised by PRS. Passed
05/16/2013 PRS To table NPRR540. Passed

Background

Status: Approved
Date Posted: Apr 26, 2013
Sponsor: Frank Owens on behalf of OWG
Urgent: No
Sections: 2.1, 6.5.7.1.10, 6.5.9.3.2, 6.5.9.3.4
Description: This Nodal Protocol Revision Request (NPRR) revises the use of Credible Single Contingency to align with actual practice.
Reason: Response to the 9/13/12 ROS directive to the Network Data Support Working Group (NDSWG) and the Operations Working Group (OWG) to accurately define the term Credible Single Contingency.

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