Northern Natural Gas Company

Fifth Revised Volume No. 1

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Effective Date: 11/07/2005, Docket: RP06- 14-000, Status: Effective

Fourth Revised Sheet No. 301C Fourth Revised Sheet No. 301C : Effective

Superseding: Third Revised Sheet No. 301C

 

 

 

GENERAL TERMS AND CONDITIONS

 

(iv) Unaccounted-For

 

Northern shall annually compare the volume of Unaccounted-for retained for the most

recent twelve (12) months ended December 31 with the volume of actual

Unaccounted-for for the same period to determine the Unaccounted-for Adjustment

Amount. The Unaccounted-for Adjustment Amount will be divided by the applicable

throughput to determine the Unaccounted-for Adjustment Percent to be added to the

Unaccounted-for retention percentage for the period beginning the subsequent

April 1. Under-retainage will result in a positive Adjustment Amount.

Over-retainage will result in a negative Adjustment Amount. For purposes of

determining the Adjustment Amount for years subsequent to the initial year of the

PRA, the Adjustment Amount for the prior year is first added to the actual

Unaccounted-for retained for the prior year. To determine the Adjustment Amount for

the subsequent year, the balance of the Unaccounted-for retained will be compared to

the actual Unaccounted-for.

 

5. PRA Filing. Northern will file to change the fuel and UAF retained percentages as

provided herein. For Market Area mainline fuel, Northern will file each February 1

for the Summer Season mainline fuel to be effective the following April 1; Northern

will file each May 1 for the Winter Season mainline fuel to be effective the

following November 1. Furthermore, Northern will post on its website by December 1

of each year an estimated Market Area Summer Season mainline fuel to be effective

the following April 1. Northern will file each February 1 for the Field Area,

Storage and UAF retained percentages to be effective the following

April 1. Northern shall not make changes to the fuel rate methodology except as

permitted by the Stipulation and Agreement of Settlement in Docket

Nos. RP03-398-000, et al. In addition, in the event of a change to the makeup of

the Field Area sections in a PRA or Section 4 or Section 5 filing, the effectiveness

of the fuel retention percentages derived therefrom shall be prospective only. For

in-kind fuel reimbursement procedures, fuel rates will be made effective only at the

beginning of the month.