Northern Natural Gas Company

Fifth Revised Volume No. 1

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Effective Date: 08/19/2004, Docket: RP04-405-000, Status: Effective

Fourth Revised Sheet No. 292A Fourth Revised Sheet No. 292A : Superseded

Superseding: Third Revised Sheet No. 292A







I. Revenues associated with DDVC charges shall be credited to Shippers in accordance with

Section 57 of the GENERAL TERMS AND CONDITIONS of this Tariff.


J. In the event a Shipper would be assessed both a receipt point scheduling penalty and

DDVC charge for the same scheduling variance from a receipt point to a delivery point,

Northern will charge the Shipper the higher of the receipt point scheduling penalty or

the DDVC charge, but not both.


K. Northern reserves the right to waive DDVC's in a not unduly discriminatory manner. In

the event Northern calls a Critical or SOL Day, negative DDVCs for the affected area

will be waived. In the event Northern calls an SUL day, positive and punitive DDVCs for

the affected area will be waived.


L. Northern shall provide affected parties with notification of Critical Days through the

Shipper's choice of Electronic Notice Delivery Mechanism. Unless the affected party

and Northern have agreed to exclusive notification via EDI/EDM, the affected party

should provide Northern with at least one Internet E-mail address to be used for

Electronic Notice Delivery of notification of Critical Days. The obligation of

Northern to provide notification is waived until the above requirement has been met.

Northern will support the concurrent sending of electronic notification of Critical

Days to two Internet E-mail addresses for each affected party. Affected parties will

manage internal distribution of notices received by Electronic Notice Delivery.


M. DDVCs for non-telemetered zones. In compliance with Section 28 of the "GENERAL TERMS

AND CONDITIONS" of this tariff, DDVCs will not apply to a non-telemetered Operational

Zone nomination unless the zone nomination fails to reflect the nomination quantity

calculated by the load forecasting formula or a Branchline SOL or curtailment has been




49. No-Notice Obligation


Pursuant to Order No. 636, et seq., Northern is obligated to provide to previously

existing firm sales customers a no-notice throughput service. Northern will meet this

obligation through its System Management Service (SMS).



50. System Balancing Agreement (SBA)



SBA's are agreements between a supplier and Northern that will provide volumes for

balancing on Northern's system. The SBA provider may be any qualified LDC, producer,

supplier or Shipper. Northern will contract with the SBA provider and the SBA provider

will, at Northern's direction, move gas to and from Northern's pipeline system by

creating a positive or negative imbalance on the SBA agreement. Northern will not

purchase, take title to or sell the gas provided under the SBA's. SBA fees to fulfill

the overall SBA requirements will be as agreed to between SBA providers and Northern.