Alliance Pipeline

Alliance Pipeline transports natural gas from northeastern British Columbia and northwestern Alberta, running underground through Saskatchewan, North Dakota, Minnesota, Iowa, and terminating in Illinois. The pipeline delivers more than 1.6 billion cubic feet per day of liquids-rich natural gas to the Chicago market.

Alliance Pipeline
Location
CountryCanada, United States
Fromnortheastern British Columbia and northwestern Alberta
Passes throughSaskatchewan, North Dakota, Minnesota, Iowa
Toterminating in Illinois
General information
TypeNatural Gas
OwnerAlliance Canada: Enbridge Income Fund Holdings Inc.[1] (50%) and Pembina Pipeline Corporation[2] (50%)
Alliance US: Enbridge Income Fund Holdings Inc. (50%) and Pembina Pipeline Corporation. (50%)
OperatorAlliance Pipeline Limited Partnership ("Alliance Canada")
Alliance Pipeline L.P. ("Alliance USA")
Construction started1997
Commissioned2000
Technical information
Length3,848 km (2,391 mi)
Maximum discharge1.6 billion cu ft/d (45 million m3/d)
Diameter36 in (914 mm)
No. of compressor stations14 Mainline; 7 Lateral

The Alliance Pipeline System

The Alliance Pipeline system consists of a 3,848 km (2,391 mi) integrated Canadian and U.S. natural gas transmission pipeline system,[3] delivering natural gas from the Western Canadian Sedimentary Basin and the Williston Basin to the Chicago market hub. The system has been in commercial service since December 2000 and delivers, on average, about 1.6 billion standard cubic feet (or 45.3 million standard cubic metres) of natural gas per day.

Canadian portion of the system

  • 338.37 km (210.25 mi) of 1067 mm (42-inch) and 1,221.73 km (759.15 mi) of 914 mm (36-inch) diameter steel pipe
  • 52 receipt points connecting with lateral pipelines totaling about 731.36 km (454.45 mi), ranging in length from about 0.3 to 142 km (0.19 to 88.23 mi) and in diameter from 114 to 610 mm (4.5 to 24.0 in)
  • 7 mainline compressor stations of about 23 to 34 MW (31,000 to 46,000 hp) each, spaced about 193 km (120 mi) apart
  • 7 compressor stations on the lateral system that range from 0.4 - 15 MW (500 - 20,000 hp)
  • Mainline block valves spaced about every 32 km (20 mi) apart
  • Maximum Canadian operating pressure: 12,017 kPa (1,743 psig)
  • Contract capacity: 130.5 million cubic meters (4.61 billion cubic feet) per day

United States portion of the system

  • 886.41 miles (1,426.54 km) of 36-inch (910 mm) diameter steel pipe
  • 2 receipt points (Bantry) connecting the Prairie Rose Pipeline and Tioga Lateral connecting at Sherwood, ND
  • 7 compressor stations of about 31,000 hp (23 MW) each, spaced about 120 miles (190 km) apart
  • 11 delivery stations, including Aux Sable, Hankinson and Lyle
  • Mainline block valves spaced about every 20 miles (32 km) apart
  • Maximum US operating pressure: 13,341 kPa (1,935 psig)
  • Contract capacity: 42.8 million cubic meters (1.51 billion cubic feet) per day

Ownership

Alliance Pipeline Limited Partnership ("Alliance Canada") owns the Canadian portion of the Alliance Pipeline system. Alliance Pipeline L.P. ("Alliance U.S.A.") owns the U.S. portion of the Alliance Pipeline system. Both Alliance Canada and Alliance U.S.A. are owned 50 percent each by affiliates of Enbridge Income Fund Holdings Inc. (TSX:ENF) and Pembina Pipeline Corporation. (TSX:PPL).

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References
  1. http://www.enbridgeincomefund.com/
  2. http://www.pembina.com/
  3. http://www.alliancepipeline.com/AboutUs/Pages/default.aspx

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