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1Pursuant to the tariff, “Monthly Index Prices will be determined using a five-week period. The five-week period is defined as beginning on the first Tuesday of the calendar month for which the MIP is being established and ending on the first or second Monday of the following month, whichever is applicable, to arrive at a five-week period.” (See Tariff page 267, Section 32 Balancing).
2Billing invoices and statements will reflect the Final MIP rates the following day.
3Weekly MIP rates are posted to Northern’s website on Mondays (or the next business day following a holiday) under Rates>Monthly Index Price.