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


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

Vote tallies here reflect individual votes, not the weight of the votes by market segment. Affirmative votes are not recorded in these vote tallies. For additional details on the voting record, please consult the Recommendation or Action Report, or the official vote tally if available, as posted in the key documents.


Status: Approved
Date Posted: Apr 26, 2013
Sponsor: Frank Owens on behalf of OWG
Urgent: No
Sections: 2.1,,,
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.

Key Documents

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