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Emission Cost Allocation Methodology

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Summary:

The purpose of this document is to explain the allocation methodology used by the CAISO for the Emissions Cost that has been previously communicated.

Extract:

Methodology for Allocating Offsets This description uses sample data that represents a hypothetical Scheduling Coordinator’s total Control Area Gross Load, by month. To obtain the allocation percentages that were circulated earlier, the CAISO divided each Scheduling Coordinator’s monthly Control Area Gross Load by the total Control Area Gross Load throughout the refund period (18682.7 in this example) to obtain, for each month and each Scheduling Coordinator, the percentage of the total Control Area Gross Load that was served in each month by each SC.

Document Locations:

• Refund Re-Run