NPRR #1094 · Revision Request

NPRR1094 Allow Under Frequency Relay Load to be Manually Shed During EEA3

Approved sponsor Oncor posted 2021-09-01 ercot.com

ReasonAddresses current operational issues

Created2021-09-16

Approved2021-12-16

Sections Affected

6.5.9.4.2

Summary

This Nodal Protocol Revision Request will allow a Transmission Operator (TO) and a Transmission and/or Distribution Service Provider (TDSP) to manually shed Load connected to under-frequency relays during an Energy Emergency Alert Level 3 (EEA3) if the affected TO can meet its overall Under-Frequency Load Shed (UFLS) requirement in Nodal Operating Guide Section 2.6.1, and its Load shed obligation under Nodal Operating Guide Section 4.5.3.4.

Timeline

Sep 1 '21
PRSFiled by Oncor
- 1094NPRR-01 Allow Under Frequency Relay Load to be Manually Shed During EEA3 090121 Sep 1 '21 · Revision Request
Sep 14 '21
Listed without action at 1 meeting
- OWG Meeting by Webex Only Sep 14 '21
Sep 16 '21
PRS PRS Meeting by Webex Only
PRSRecommended for Approval Recommended for approval Amended by the Sep 15 '21 Oncor comments
“to recommend approval of NPRR1094 as amended by the 9/15/21 Oncor comments” — Passed

→ Impact Analysis Consideration

Motion Carries 6–0 roll call
Oct 7 '21
ROS ROS Meeting by Webex Only
- 1094NPRR-02 Oncor Comments 091521 Sep 17 '21 · Revision Request Comments
- 1094NPRR-03 PRS Ballot 091621 Sep 21 '21 · Revision Request Ballot
- 1094NPRR-04 PRS Report 091621 Sep 21 '21 · Committee Report
- 1094NPRR-05 Impact Analysis 092821 Sep 28 '21 · Staff Report
Oct 14 '21
PRS PRS Meeting by Webex Only
PRSRecommended for Approval Recommended for approval Forwarded → TAC
“to endorse and forward to TAC the 9/16/21 PRS Report and Impact Analysis for NPRR1094” — Passed

→ Revision Request Consideration

Motion Carries 7–0 roll call
Nov 4 '21
ROS ROS Meeting by Webex Only
- 1094NPRR-06 PRS Ballot 101421 Oct 18 '21 · Revision Request Ballot
- 1094NPRR-07 PRS Report 101421 Oct 18 '21 · Committee Report
Nov 18 '21
Listed without action at 1 meeting
- OWG Meeting by Webex Only Nov 18 '21
Nov 29 '21
TAC TAC Meeting by Webex Only
TACRecommended for Approval Recommended for approval
“To recommend approval of NPRR1094 as recommended by PRS in the 10/14/21 PRS Report with a recommended effective date of upon PUCT approval (12/17/21)” — Passed

→ Board for consideration

Motion Passes 29–0 roll call
Dec 10 '21
BOARDEmail Vote / Unlisted Meeting
BOARDRecommended for Approval Recommended for approval
“To recommend approval of NPRR1094 as recommended by TAC in the 11/29/21 TAC Report” — Passed

→ PUCT for consideration
- 1094NPRR-08 TAC Ballot 112921 Dec 1 '21 · Revision Request Ballot
- 1094NPRR-09 TAC Report 112921 Dec 1 '21 · Committee Report
- 1094NPRR-10 Board Report 121021 Dec 10 '21 · Committee Report
Dec 16 '21
PUCT
PUCTApproved Approved
“To approve NPRR1094 and accompanying ERCOT Market Impact Statement as presented in Project No. 52307, Review of Rules Adopted by the Independent Organization in Calendar Year 2021” — Passed
—
Posted since the last meeting
- 1094NPRR-11 PUCT Report 121621 Dec 21 '21 · Committee Report