Questar Overthrust Pipeline Company

Second Revised Volume No. 1-A

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Effective Date: 12/15/2007, Docket: RP08- 71-000, Status: Effective

First Revised Sheet No. 91 First Revised Sheet No. 91 : Effective

Superseding: Original Sheet No. 91

(e) At the end of each calendar month where Shipper's net

transportation receipts (receipt Dth less gas used, lost, gained or

unaccounted-for gas) do not equal deliveries on a Dth basis, the following

procedures will apply:

 

(i) Shipper's imbalances under each FT and IT agreement

will be netted together for monthly imbalance calculations. Each month on or

before the 9th business day, Overthrust will provide imbalance statements and

information on its website indicating the resulting monthly imbalance

incurred in the prior month.

 

(ii) Following posting of the monthly imbalance for the

prior month, Shippers will then have through the last day of the current

month to remedy any imbalance exceeding the imbalance tolerance. To remedy

an imbalance, Shippers will have the ability to trade imbalances pursuant to

§ 16.3 or pay back the imbalance in the current month pursuant to § 16.4.

 

(iii) At the end of the month in which the imbalance for the

prior month was posted and after all imbalance trades and pay back have been

entered, Shipper will be cashed out, pursuant to § 16.5, for any remaining

imbalance that exceeds the imbalance tolerance.

 

16.3 Imbalance Trading.

 

(a) Shipper will be able to trade imbalances with other Shippers

that have an imbalance that will reduce each Shipper's imbalance.

 

(b) All imbalance trading must be conducted through Questline.

If Shipper desires to trade imbalances on Questline, Shipper must consent to

Overthrust releasing to others on Questline Shipper's monthly imbalance

information.

 

(c) Once Shippers have agreed to trade their imbalances, each

Shipper must notify Overthrust by completing an imbalance trading notice on

Questline. This notice to Overthrust will be deemed to be the Shipper's

direction to Overthrust to make the imbalance trade on the Shipper's account.

If the Shipper's notices coincide, Overthrust will adjust Shipper's accounts

to reflect the imbalance trade.