NPRR #540 · Revision Request

NPRR540 Clarification of Credible Single Contingency

Approved sponsor Frank Owens on behalf of OWG posted 2013-04-26 ercot.com

PRS Oct 17 '13
TAC Nov 7 '13
BOARD Dec 10 '13
PUCT —

ReasonResponse 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.

Created2013-05-16

Approved2013-12-10

Sections Affected

2.16.5.7.1.106.5.9.3.26.5.9.3.4

Summary

This Nodal Protocol Revision Request (NPRR) revises the use of Credible Single Contingency to align with actual practice.

Timeline

2013
Apr 26
PRSFiled by Frank Owens on behalf of OWG
- 540NPRR-01 Clarification of Credible Single Contingency 042613 Apr 26 '13 · Revision Request
May 15
Listed without action at 1 meeting
- Operations Working Group (OWG) Meetings May 15 '13
May 16
PRS Protocol Revision Subcommittee (PRS) Meeting
PRSDeferred/Tabled
“To table NPRR540.” — Passed

→ PRS for consideration.
Jun 12
WMS Wholesale Market Subcommittee (WMS) Meeting
- 540NPRR-02 PRS Report 051613 May 21 '13 · Committee Report
- 540NPRR-03 ERCOT Comments 061113 Jun 11 '13 · Revision Request Comments
- 540NPRR-04 ERCOT Comments 061113 Jun 11 '13 · Revision Request Comments
Jun 19
Listed without action at 2 meetings (Jun 19 '13 – Jun 20 '13)
- Operations Working Group (OWG) Meetings Jun 19 '13
- Protocol Revision Subcommittee (PRS) Meeting Jun 20 '13
Jun 27
OWG Operations Working Group (OWG) Meetings
- 540NPRR-05 CenterPoint Energy Comments 061313 Jun 25 '13 · Revision Request Comments
Jul 10
WMS Wholesale Market Subcommittee (WMS) Meeting
- 540NPRR-06 OWG Comments 070213 Jul 2 '13 · Revision Request Comments
- 540NPRR-07 ERCOT Comments 071013 Jul 10 '13 · Revision Request Comments
Jul 11
ROS Reliability and Operations Subcommittee (ROS) Meeting
- 540NPRR-08 WMS Comments 071113 Jul 11 '13 · Revision Request Comments
Jul 17
OWG Operations Working Group (OWG) Meetings
- 540NPRR-09 ROS Comments 071513 Jul 15 '13 · Revision Request Comments
Jul 18
PRS Protocol Revision Subcommittee (PRS) Meeting
PRSRecommended for Approval Amended by the Jul 10 '13 ERCOT comments
“To recommend approval of NPRR540 as amended by the 7/10/13 ERCOT comments and as revised by PRS.” — Passed

→ PRS for IA Review
Jul 31
CREDITWG Joint Credit Working Group (CWG)/Market Credit Working Group (MCWG) Meeting
- 540NPRR-10 PRS Report 071813 Jul 22 '13 · Committee Report
Aug 15
ROS Reliability and Operations Subcommittee (ROS) Meeting
- 540NPRR-11 Impact Analysis 080713 Aug 7 '13 · Staff Report
- 540NPRR-12 ERCOT Comments 080913 Aug 9 '13 · Revision Request Comments
- 540NPRR-13 ERCOT Comments 081213 Aug 12 '13 · Revision Request Comments
- 540NPRR-14 CenterPoint Energy Comments 081313 Aug 13 '13 · Revision Request Comments
Aug 22
PRS Protocol Revision Subcommittee (PRS) Meeting
PRSDeferred/Tabled
“To table NPRR540.” — Passed

→ PRS for consideration
- 540NPRR-15 ROS Comments 081913 Aug 19 '13 · Revision Request Comments
Sep 3
Workshop - Constraint Management Plan Revision Requests
- 540NPRR-16 PRS Report 082213 Aug 27 '13 · Committee Report
Sep 6
Listed without action at 1 meeting
- Workshop - Constraint Management Plan Revision Requests Sep 6 '13
Sep 12
ROS Reliability and Operations Subcommittee (ROS) Meeting
- 540NPRR-17 Constraint Management Plan Revision Request Workshop Sep 9 '13 · Revision Request Comments
Sep 19
PRS Protocol Revision Subcommittee (PRS) Meeting
PRSDeferred/Tabled
“To table NPRR540 for one month.” — Passed

→ PRS for IA review
- 540NPRR-18 ROS Comments 091613 Sep 16 '13 · Revision Request Comments
Oct 3
TAC Technical Advisory Committee (TAC) Meeting
- 540NPRR-19 PRS Report 091913 Sep 23 '13 · Committee Report
Oct 17
PRS Protocol Revision Subcommittee (PRS) Meeting
PRSRecommended for Approval Forwarded → TAC
“To endorse and forward the 7/18/13 PRS Report and the Impact Analysis for NPRR540 to TAC.” — Passed

→ TAC for consideration
Nov 7
TAC Technical Advisory Committee (TAC) Meeting
TACRecommended for Approval
“To recommend approval of NPRR540 as recommended by PRS in the 10/17/13 PRS Report.” — Passed

→ Board for consideration
- 540NPRR-20 PRS Report 101713 Oct 21 '13 · Committee Report
Dec 10
BOARD Board of Directors Meeting
BOARDApproved
“To approve NPRR540 as recommended by TAC in the 11/7/13 TAC Report.” — Passed
- 540NPRR-21 TAC Report 110713 Nov 8 '13 · Committee Report
2014
Jan 28
TAC TAC Meeting
- 540NPRR-22 Board Report 121013 Dec 11 '13 · Committee Report