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NPRR #345 · Revision Request

NPRR345  EILS Availability Calculation Post-Depletion

Withdrawn sponsor Energy Curtailment Specialists, Inc posted 2011-04-05 ercot.com
ReasonThe current Protocols do not contemplate the exclusion of hours following depletion of the 8-hour EILS performance obligation for purposes of calculating the availability performance metric, and the "EMERGENCY INTERRUPTIBLE LOAD SERVICE Technical Requirements & Scope of Work" document currently specifies a method of calculating availability that is inconsistent with the Protocols and can produce a highly inequitable result. This NPRR resolves this dilemma by providing that after successfully meeting either the two deployment or 8 hour interruption event performance requirements, a Load’s availability factor will be set at the higher of 100% or the availability factor calculated by ERCOT, allowing for the EILS Load to be measured on its event performance factor only.
Created2011-04-21
Sections Affected
8.1.3.1
Summary
This NPRR adds language to remove a deficiency in the calculation formula for Emergency Interruptible Load Service (EILS) availability factors.
Action Log 1 milestones
Documents 6
NameTypePostedClassification
345NPRR-01 EILS Availability Calculation Post Depletion 040511 doc Apr 5 '11 Revision Request
345NPRR-02 Urgency Vote Ballot 040711 xls Apr 7 '11 Revision Request Ballot
345NPRR-03 TIEC Comments 041811 doc Apr 18 '11 Revision Request Comments
345NPRR-04 Constellation NewEnergy 042111 doc Apr 21 '11 Revision Request Comments
345NPRR-05 PRS Report 042111 doc Apr 26 '11 Committee Report
345NPRR-06 Request for Withdrawal 062811 doc Jun 28 '11 Revision Request Comments
Meetings That Took It Up 5
DateMeetingCommitteeStatus
Jul 21 '11 PRS Meeting PRS Concluded
Jun 23 '11 PRS Meeting PRS Concluded
May 19 '11 PRS Meeting PRS Concluded
May 11 '11 WMS Meeting WMS Concluded
Apr 21 '11 PRS Meeting PRS Concluded