Northern Natural Gas Company
Fifth Revised Volume No. 1
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Effective Date: 11/22/2003, Docket: RP03-398-004, Status: Effective
Original Sheet No. 228A Original Sheet No. 228A : Superseded
GENERAL TERMS AND CONDITIONS
2. Delivery Point Capacity Constraint
a) In the event deliveries must be interrupted due to a Delivery Area Capacity
constraint, the smallest affected area at the delivery area will be localized and
curtailment will be effected in the following sequence:
(i) Interruptible throughput will be curtailed on the basis of the lowest TI price
(ii) LFT service with Limited Days remaining for the month.
a. lowest price first;
b. greater number of Limited Days first;
c. pro rata.
(iii) Firm service, including LFT with no Limited Days remaining for the month, at
primary or alternate points will be curtailed pro rata.
(iv) Where there is a constraint at an interconnect, firm service, including LFT with
no Limited Days remaining for the month, will be curtailed pro rata.
b) Branchline - Affected Area
Notwithstanding the provisions in Section 19.C.2. (a) above, any curtailment
of deliveries below the total Firm Service MDQ contracted for on any day
will be effectuated by operational area on a uniform basis except as
Northern shall have the right to curtail deliveries of gas in any area on
its system pursuant to the following: Northern shall determine the areas
of its system deemed to be "affected areas" in order to deal with
shortfalls in capacity and/or supply. Northern shall notify the Point Operator(s)
receiving gas at the delivery point(s) in the Affected Area(s).