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PRR451

Summary

Title Clarification of Ancillary Services Obligation Calculation
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Status Approved

Action

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Background

Status: Approved
Date Posted: Aug 12, 2003
Sponsor: Republic Power
Urgent: No
Sections: 6.3.1, 6.9.1, 6.9.1.1, 6.9.1.2, 6.9.1.3, 6.9.1.4
Description: Clarification that ERCOTs calculated AS Obligations for its Day Ahead Operating Day Ancillary Services are based on Initial Settlement data only for the purpose of setting up the Day Ahead plan. After the Operating Day, the AS Obligation calculations are to be adjusted according to actual Metered Load Ratio Share throughout the entire settlement process, in the same manner as Load Imbalance, BENA, etc.
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