ERCOT Public May 2017 2 Rule amp NPRR 819 May 2017 Meeting NPRR 819 Objectives Implement a resettlement threshold that is fair to large and small MPs replacing the existing 2 resettlement rule ID: 643317
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Communications and Settlement Working Group
ERCOT Public
May 2017Slide2
2 % Rule & NPRR 819
May 2017 Meeting
NPRR 819ObjectivesImplement a resettlement threshold that is fair to large and small MPs, replacing the existing 2% resettlement ruleBase the resettlement threshold on the DAM and RTM median settlement statement amountsAddress the issue of small errors that cumulatively create an impact which exceeds a threshold that is fair to large and small MPsPropose actual daily resettlements, as opposed to alternative settlement resolution, to provide for automation and systematic historical referenceFor an error other than a pricing error that has a cumulative impact, designate a cutoff for the number of days the market will go back and resettleSet the cutoff for DAM resettlements due to the cumulative impact of an error other than a pricing error prior to the RTM True-up Resettlement, so its results are included in the resettlement of the RTM Add the number of resettlements due to errors other than pricing errors to the Settlement Stability Report for visibility into and review of the impact of NPRR819
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% Rule & NPRR 819 May 2017 Meeting
NPRR 819ResultsWorked through the language as a group to achieve the objectives we createdERCOT posted comments to NPRR 819Thresholds are still a percentage, but based on each Market ParticipantSet a floor on the dollar amount that will trigger a resettlementCumulative effects are evaluated at a lower percentage, but higher floorResettlements based on these threshold will be monitored as part of “Settlement Stability” 3Slide4
Next CSWG Meeting
June
26, 2017 at 1:00 PM
WebEx Only
See meeting page for details:
http://www.ercot.com/calendar/2017/6/26/117518-CSWG
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