Northern Natural Gas Company

Original Volume No. 2

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Effective Date: 12/13/1992, Docket: RP91-181-005, Status: Effective

Ninth Revised Sheet No. 1I.2 Ninth Revised Sheet No. 1I.2 : Effective

Superseding: Eighth Revised Sheet No. 1I.2

GENERAL TERMS AND CONDITIONS

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1. Rate Adjustment to Reflect Changes in Gas Purchased Costs (Continued)

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(4) Prior Deferral Amount - Any unamortized balance, either positive or negative,

remaining in Account 191 after the respective amortization period will be

transferred into the current deferral period to be included in the next

surcharge adjustment.

 

(b) Each month, Northern shall amortize the prior twelve-month deferrals by

an amount equal to the total monthly system sales multiplied by the surcharge

adjustment rate.

 

1.6 Direct Bill of Account 191 Upon Termination or Suspension of the PGA

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(a) Upon Northern's determination to terminate or suspend the Purchase Gas

Cost Adjustment as defined in Section 18 above, and with the specific

advance approval of the Commission, Northern shall, based upon the current

period over (under) recovery balance which are booked from July 1, 1991

forward in each 191 subaccount, invoice its sales customers for any

amounts due to Northern or shall issue a check for any amounts owed its

sales customers. Such 191 subaccount shall not be adjusted by any prior

period surcharge/refund amounts. For purposes of this Section 18.6,

"sales customers" shall mean any firm sales customer of Northern during

the immediate three-year period prior to the termination or suspension of

the PGA, or from July 1, 1991, whichever is sooner. This definition

includes any sales customer who has fully converted their sales

entitlement to transportation entitlement within the same three-year

period described above.

 

(1) The balance in each subaccount shall consist of the cumulative

balance accumulated from July 1, 1991 for the demand portion and the

commodity portion of the PGA Account 191 balances. The balance in

each subaccount shall be determined at the end of a six-month period

following termination or suspension, taking into account all billing

adjustments and other amounts which are known and measurable at the

conclusion of the six-month period. However, if Northern receives a

refund, as defined in Section 6(e)(1)(iv) of Subpart B of the General

Terms and Conditions of Northern's Volume No. 1 Tariff, which is

related to the period prior to the date of termination or suspension

of the PGA, related to the cost of servicing former sales customers,

such refund will be flowed through to the former sales customers

regardless of when Northern receives such refund.

 

(2) Each sales customer's share of the Account 191 balance shall be equal

to the sum of the demand and commodity amounts, calculated as

follows:

 

(a) Demand Amount. The ratio of the annual average firm sales

entitlement for that customer for the previous three (3) years

prior to termination or suspension or from July 1, 1991,

whichever is sooner to the total annual average firm sales

entitlement for the previous three (3) years prior to

termination or suspension or from July 1, 1991, whichever is

sooner. This ratio will then be applied to the Account 191

demand subaccount, to determine the total demand invoice or

refund amount owed per Section 1.6