NOGRR #253 · Revision Request
NOGRR253 Related to NPRR1178, Expectations for Resources Providing ERCOT Contingency Reserve Service
ReasonAddresses current operational issues
Created2023-05-04
Approved2023-06-29
Sections Affected
2.32.3.2.12.3.3.14.8.1and 4.8.2
Summary
This Nodal Operating Guide Revision Request (NOGRR) aligns the Nodal Operating Guide language regarding ECRS and Non-Spin with the revisions proposed in NPRR1178, as well as the Protocol language approved in NPRR1096, Require Sustained Two-Hour Capability for ECRS and Four-Hour Capability for Non-Spin. This NOGRR also clarifies that ERCOT may manually deploy Load Resources other than Controllable Load Resources that are providing ECRS or Responsive Reserve (RRS) to maintain a minimum 500 MWs of Physical Responsive Capability (PRC) reserves on SCED-dispatachable Resources to continuously balance the Demand with supply while maintaining the stable grid frequency for smaller disturbances.
Timeline
- May 3 '23
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May 4 '23
ROS ROS Meeting - Webex OnlyROSRecommended for Approval Urgent status Recommended for approval Forwarded → TAC“To grant NOGRR253 Urgent status; to recommend approval of NOGRR253 as submitted; and to forward to TAC NOGRR253 and the 5/3/23 Impact Analysis” — Passed→ TAC for consideration
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May 23 '23
TAC TAC Meeting - Webex OnlyTACRecommended for Approval Recommended for approval“To recommend approval of NOGRR253 as recommended by ROS in the 5/4/23 ROS Report” — Passed→ Board for consideration
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Jun 20 '23
BOARD Board of Directors MeetingBOARDRecommended for Approval Recommended for approval“To recommend approval of NOGRR253 as recommended by TAC in the 5/23/23 TAC Report” — Passed→ PUCT for consideration
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Jun 29 '23
PUCTPUCTApproved Approved“To approve NOGRR253 and accompanying ERCOT Market Impact Statement as presented in Project No. 54445, Review of Rules Adopted by the Independent Organization” — Passed