NPRR #122 · Revision Request

NPRR122 Simplify Ancillary Services Settlement Formulas

Approved sponsor ERCOT Staff posted 2008-04-07 next action Consideration ercot.com

ReasonMarket Participants have commented that the Ancillary Service formulas are confusing. This NPRR intends to focus on the fundamentals of Ancillary Service Settlement and makes the formulas and concepts more understandable.

Created2008-04-18

Approved2008-07-15

Sections Affected

4.6.4.1Payments for Ancillary Services Procured in DAM; 4.6.4.2 Charges for Ancillary Services Procurement in the DAM; 6.7.3 Adjustments to Cost Allocations for Ancillary Services Procurement

Summary

This Nodal Protocol Revision Request (NPRR) replaces the Ancillary Service trades and self-supply in the Settlement formulas and replaces them with the self-arranged quantities. This NPRR also, proposes editorial changes to variables and subscripts and adds clarifying language.

Timeline

Apr 7 '08
PRSFiled by ERCOT Staff
- 122NPRR-01 Simplify Ancillary Services Formulas 040708 Apr 7 '08 · Revision Request
Apr 18 '08
PRS PRS Meeting
PRSReferred Referred → TPTF
“To refer NPRR122 to TPTF for review.” — Passed

→ Review by TPTF.
May 22 '08
PRS PRS Meeting
PRSRecommended for Approval Recommended for approval
“To recommend approval of NPRR122 as submitted.” — Passed

→ Review of Impact Analysis and Recommendation Report.
- 122NPRR-02 PRS Action Report 041808 Apr 22 '08 · Committee Report
- 122NPRR-03 TPTF Voting Ballot 050708 May 7 '08 · Revision Request Ballot
May 28 '08
CREDITWG Credit Work Group Meeting
- 122NPRR-04 PRS Recommendation Report 052208 May 28 '08 · Committee Report
Jun 19 '08
PRS PRS Meeting
PRSRecommended for Approval Recommended for approval Forwarded → TAC
“To endorse the Impact Analysis and Recommendation Report for NPRR119, and forward the documents to TAC.” — Passed

→ Consideration of NPRR122 by TAC
- 122NPRR-05 Impact Analysis 060208 Jun 2 '08 · Staff Report
- 122NPRR-06 PRS Recommendation Report 061908 Jun 19 '08 · Committee Report
Jun 26 '08
TAC TAC Meeting
TACRecommended for Approval Recommended for approval
“To recommend approval of NPRR122 as recommended by PRS.” — Passed

→ ERCOT Board consideration
Jul 15 '08
BOARDEmail Vote / Unlisted Meeting
BOARDApproved Approved
“To approve NPRR122 as recommended by TAC.” — Passed
- 122NPRR-07_TAC_Recommendation_Report_062608 Jun 27 '08 · Committee Report
—
Posted since the last meeting
- 122NPRR-08 Board Action Report 071508 Jul 17 '08 · Committee Report