Union Gas

A Spectra Energy Company

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Interruptible Hub 

The base contract to begin your storage and transportation business with Union Gas. . .

The Interruptible Hub service - which has no setup fee or demand charge - is a standard offering for any shipper requiring basic short-term services to manage their day-to-day gas needs. It serves as the base contract for shippers looking to enhance their storage and transportation service with Union Gas.

The Interruptible Hub service includes: Park & Loan, Transportation, Exchanges and Name Changes (Title Transfers). Simply nominate the service and pay the posted price without any further contracting requirement. If you have a need for services with different parameters or terms, please contact your account manager.



  • All services are interruptible.
  • Nominate and Flow Service: Request service on Unionline – nominate at any NAESB window and service will be scheduled (assuming no asset restrictions). No sales contact required.
  • Interruptible Park and Loan Service:
    • Ability to hold a park balance of 120,000 GJs and a loan balance of 70,000 GJs (subject to credit).
    • HUB Pricing Schedule Section C – Balancing to view current price details.
  • Interruptible Transportation (IT) Service:
    • Provides an IT service between any two points on Union Gas' system.
    • HUB Pricing Schedule Section A – Transport to view points and current price details.
  • Interruptible Exchange Service:
    • Provides the ability to receive/deliver gas at one point on Union Gas' system and receive/deliver an equal amount at an off system point on another pipeline.
    • HUB Pricing Schedule Section B– Exchange to view points and current price details.
    • All exchange services must be nominated 2 hours prior to the timely nomination window.
  • Name Change Service (Title Transfers):
    • A name change allows you to transfer ownership of your gas to another party.
    • Available at all  Union Gas system points.
    • HUB Pricing Schedule Section D– Name Change for current price details.

Receipt and Delivery Points

  • Union Gas system points - Dawn, Parkway, Kirkwall, Union St. Clair (MichCon), Ojibway, and Union Bluewater.
  • Off-System points - Utilized using exchange services - TransCanada, Trunkline, Panhandle, Alliance, and Vector.

Pricing and Fuel

  • Variable Charge (pay as you utilize) - no demand charge.
  • Posted monthly on our website - $Cdn/GJ or $Cdn/MMBtu .
  • No fuel charges.


Contract Term

  • Evergreen contract.

Service Eligibility

Complementary Services

How to Request Service


Hub Contract Application Form
Contact your account manager.
Learn more

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