Union Gas

A Spectra Energy Company

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Upstream Pipe Balancing Service (UPBS)

Are you looking to balance uneven consumption with delivers of gas supplies arriving at Dawn?

UPBS is an enhancement to an existing storage service that enables Shippers to balance rateable (evenly) flows arriving at Dawn (includes purchased gas supplies, withdrawals from storage, or gas arriving from upstream pipelines) with non-rateable downstream consumption requirements.

UPBS allows Shippers to specify the hours of injection and/or withdrawal and ensure that their gas supplies closely match their consumption requirements, on an hour by hour basis. The use of UPBS allows Shippers to minimize downstream balancing costs.

SERVICE INFORMATION

Service Highlights

  • This intraday service transforms the firm injections and/or firm withdrawal parameters into non-rateable injections and withdrawals. Shipper submits an hourly profile which specifies the injections and/or withdrawals for each hour.
  • Quantity of gas injected or withdrawn in any hour cannot exceed the total daily contracted quantity divided by 20
    • Example - Daily firm withdrawal demand = 50,000 GJ/d,
      • Hourly contract withdrawal demand is 2,500 GJ/h
  • Quantity of gas injected or withdrawn over entire gas day cannot exceed total daily contracted quantity
    • Example - Daily firm withdrawal demand = 50,000 GJ/d
      • Sum of injections/withdrawals cannot exceed 50,000 GJ/d
  • Shipper may nominate UPBS on a firm basis on the timely nomination window and on an interruptible basis on each of the next 3 NAESB nomination windows. If Shipper contracts for F24-S, Shipper has access to all 13 nomination windows and the service is firm on each nomination window
  • Overrun of UPBS (and underlying storage contract) may be provided. Any overrun of an hourly quantity will be considered as overrun for the entire gas day.

Receipt & Delivery Points

  • Dawn

Pricing & Fuel

  • Negotiated Rate
  • Shippers are billed monthly for all demand charges
  • No incremental fuel charges (notwithstanding fuel provided as per underlying storage contract)
  • No incremental variable charges (notwithstanding commodity charges required as per underlying storage contract)
  • Overrun charges equal to 1.5 times the underlying storage contract demand charges

Contract

  • Schedule added to existing executed storage contract
  • Assignable to 3rd parties with a firm storage contract on a temporary or permanent basis. View our standard storage assignment agreement

Contract Term

  • From one storage season to ten years

Service Eligibility

  • Available to all Shippers who hold a storage contract with firm injection and/or withdrawal parameters
  • Term of storage contract must be equal to or longer than term of UPBS contract
  • Quantity of firm storage injections/withdrawals must be equal to or greater than quantity of UPBS contract
  • The firm injection and withdrawal parameters are assumed to be of equal quantities

Complementary Services

  • F24-T (Firm All Day Transport)
  • F24-S (Firm All Day Storage)
  • DPBS (Downstream Pipeline Balancing Service)

How to Request Service

HUB Contract Application Form
Contact your account manager.
Learn more

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