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Invoicing WECC NERC/ERO Costs

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Summary:

The CAISO would propose to invoice SCs for the dues on a quarterly basis using metered demand including gross MSS loads less pump storage using a preliminary rate from the previous WECC billing. There would be a final true-up invoice from the CAISO to SCs after the receipt of the WECC invoice for the year. These dues would be invoiced separately and not be included on the market invoice. This proposal raises implementation issues regarding integration into the settlement system and current invoicing procedures.

Document Locations:

• WECC NERC/ERO Costs