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Amendment 72 White Paper

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Summary:

Potential Modifications to Amendment 72 Day Ahead Scheduling Requirements, Department of Market Monitoring (DMM), December 11, 2006

Extract:

I. Introduction
In September 2005, the CAISO filed Tariff Amendment 72, which required Scheduling Coordinators (SCs) to submit day-ahead schedules equal to at least 95% of their forecast demand for each hour of the next day. Overall compliance with the 95% day-ahead scheduling requirement has been extremely high since spring 2006, particularly during peak hours. However, some participants and CAISO operations staff have expressed concerns about the impacts and difficulty of compliance with the 95% scheduling requirement, particularly during off-peak and weekend hours. In response to these concerns, the CAISO has initiated a stakeholder process to identify and consider potential refinements to Amendment 72.

Document Locations:

• Amendment 72 - Potential Revisions