El Paso Natural Gas Company

Second Revised Volume No. 1A

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Effective Date: 04/01/2010, Docket: RP10-454-001, Status: Effective

Fourth Revised Sheet No. 147B Fourth Revised Sheet No. 147B

Superseding: Third Revised Sheet No. 147B



Interruptible Hourly Swing Service





3.3 Shipper may use its IHSW TSA in conjunction with multiple TSA(s).

Shipper shall notify Transporter of its election of designated TSAs

applicable at a Delivery Point prior to the last Business Day of the

Month preceding the effective Month; such election shall be for a

period of no less than one Month.


3.4 IHSW service shall not be applicable to the aggregate sum of any

hourly variation greater than 160% of 1/24th of each TSA's daily

scheduled quantities at a Delivery Point. Actual hourly flow

quantities under the related TSA(s) greater than 160% of 1/24th of

the sum of the applicable scheduled quantities shall be treated as

Hourly Scheduling Penalty Quantities under the applicable Transport

TSA(s) and shall not be IHSW quantities.


3.5 Any daily imbalance will remain on the Transport TSA(s).



Shipper shall pay to Transporter each Month the charges set forth

below under the executed IHSW TSA.


4.1 Transporter, at its sole discretion, may from time to time and at

any time, selectively discount any or all of the rates stated below

applicable to any individual Shipper; provided, however, that such

adjusted rate(s) shall not exceed the applicable maximum rate(s) nor

shall they be less than the minimum rate(s) set forth on the

currently effective Statement of Rates.


4.2 Shipper shall pay, unless otherwise provided in the IHSW TSA, the

maximum rate(s) per dth applicable to the delivery zones (Production

Area, Texas, New Mexico, Arizona, Nevada and California at IBlythe,

DRN 305261) in which deliveries are made, as set forth from time to

time on the applicable Statement of Rates. Each Day, Shipper shall

pay an amount obtained by multiplying the IHSW quantity at each

Delivery Point by the applicable rate for such Delivery Point.


4.3 The usage charges payable under this rate schedule will include all

applicable surcharges, unless otherwise provided in the TSA.