NPRR #189 · Revision Request
NPRR189 Ancillary Service Deployment Clarification
ReasonThis NPRR is needed to provide more clarity and make the Nodal Protocols consistent with Energy Management System (EMS)/Market Management System (MMS) whitepaper and current MMS implementation.
Created2009-08-25
Approved2009-10-20
Sections Affected
6.4.8.16.4.8.26.5.5.26.5.7.26.5.7.6.2.16.5.7.6.2.26.5.7.6.2.3
Summary
This Nodal Protocol Revision Request (NPRR) clarifies the difference between Ancillary Service capacity deployment and energy deployment and how it affects Security-Constrained Economic Dispatch (SCED). This NPRR also proposes non-substantive administrative changes, such as correcting acronym and defined term usage and section references.
Timeline
- Jul 24 '09
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Aug 25 '09
PRS PRS MeetingPRSRecommended for Approval Recommended for approval“To recommend approval of NPRR189 as submitted.” — Passed→ PRS Impact Analysis review
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Sep 17 '09
PRS PRS MeetingPRSRecommended for Approval Recommended for approval Forwarded → TAC Amended by the Sep 17 '09 ERCOT comments“To endorse and forward the 8/25/09 PRS Recommendation Report, as amended by the 9/17/09 ERCOT comments, and Impact Analysis for NPRR189 to TAC.” — Passed→ TAC consideration of NPRR189
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Oct 1 '09
TAC TAC MeetingTACRecommended for Approval Recommended for approval“To recommend approval of NPRR189 as recommended by PRS in the 9/17/09 PRS Recommendation Report.” — Passed→ ERCOT Board consideration of NPRR189.
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Oct 20 '09
BOARDEmail Vote / Unlisted MeetingBOARDApproved Approved“To approve NPRR189 as recommended by TAC in the 10/1/09 TAC Recommendation Report.” — Passed