Williams Natural Gas Company
Second Revised Volume No. 1
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Effective Date: 05/01/1997, Docket: RP97- 67-002, Status: Effective
Fourth Revised Sheet No. 229 Fourth Revised Sheet No. 229 : Superseded
Superseding: Third Revised Sheet No. 229
GENERAL TERMS AND CONDITIONS
9. SCHEDULING, CURTAILMENT AND IMBALANCES (Cont'd)
9.5 Capacity Curtailment
When unexpected capacity limitations cause WNG to be unable to
deliver the services already scheduled, the physical capacity in
the affected area which WNG determines is available will be
allocated among its customers as follows:
First, to firm Shippers pro-rata, based on MDTQs in the
affected area (Production or Market).
Second, to interruptible Shippers, including AOS under firm
rate schedules, based on rate paid from highest to lowest.
Deliveries at the same rate shall be curtailed pro-rata.
Interruptible Shippers may state, in advance, that they are
willing to pay the maximum rate to avoid or minimize
WNG shall provide prompt notification to all Shippers when it
imposes capacity curtailment. Such notice shall state the reasons
for the curtailment and WNG's estimate of the length of the
curtailment period. WNG shall provide the notice by facsimile and
shall post such notice on its EBB.
9.6 Unauthorized Overdeliveries, Under Receipts, and Penalties
(a) Overdeliveries - During any period of daily balancing, if any
Receiving Party takes a quantity of gas from any Delivery
Point where at least 95% of volumes are measured by electronic
flow measurement equipment (EFM) in excess of the quantity
authorized (the quantity authorized is equal to the quantity
scheduled by WNG and confirmed by the Receiving Party for the
account of all Shippers delivering gas at that location plus
the MDQ(s) for that Delivery Point under Rate Schedules TSS
and STS which are not subject to capacity release), such
excess quantities taken shall be considered Unauthorized
Overdeliveries and shall be subject to daily balancing
penalties as provided in (d) below. Actual quantity taken
shall be determined by reference to recorded EFM data.