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Canadian Natural Gas Pipelines
http://www.oilgasarticles.com/articles/101/1/Canadian-Natural-Gas-Pipelines/Page1.html
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By OilGasArticles Editor
Published on 04/14/2006
 
TransCanada Pipelines is the largest operator of natural gas pipelines in Canada. Its 25,600-mile network transports the bulk of Canada's natural gas production. Important parts of the TransCanada network include the 13,900-mile, 10.6-Bcf/d Alberta System, the 120-mile, 0.9-Bcf/d British Columbia System, the 8,900-mile, 7.2-Bcf/d Canadian Mainline, and the 600-mile, 3.0-Bcf/d Foothills System.
Mackenzie Gas Project
TransCanada Pipelines is the largest operator of natural gas pipelines in Canada. Its 25,600-mile network transports the bulk of Canada’s natural gas production. Important parts of the TransCanada network include the 13,900-mile, 10.6-Bcf/d Alberta System, the 120-mile, 0.9-Bcf/d British Columbia System, the 8,900-mile, 7.2-Bcf/d Canadian Mainline, and the 600-mile, 3.0-Bcf/d Foothills System.
A consortium of natural gas companies, led by Imperial Oil, plan to build the Mackenzie Valley natural gas pipeline. The 760-mile, 1.2-Bcf/d pipeline would carry natural gas from inside the Arctic Circle to northern Alberta, where it would flow into the existing natural gas transportation system; there would also be a parallel pipeline to carry NGLs. Canada’s National Energy Board (NEB) scheduled a series of public hearings on the project for 2006, where it would consider the economic and environmental impacts of the project. If the project attains regulatory approval, construction of the system would likely last four years and cost some C$6 billion.
Alaskan Pipeline

Supporters of the Mackenzie pipeline also worry about the completion of a rival natural gas pipeline from Alaska’s North Slope to the United States.

The 3,400-mile, 4.6-Bcf/d Alaskan pipeline would likely not enter service until 2012. The U.S. Congress approved US$18 billion in loan guarantees in late 2004 for the US$20 billion project.

There are some legal questions concerning who will construct and operate the Canadian portion of the pipeline, which have delayed completion of the project. As a result, there has been talk of expanding LNG export capacity in Alaska as an alternative to the pipeline.

Canadian natural gas export pipelines
Canada’s natural gas pipeline system is highly interconnected with the United States. The 1,300-mile, 1.9-Bcf/d Gas Transmission Northwest pipeline runs from the British Columbia-Idaho border to the Oregon-California border, connecting TransCanada’s western Canadian network to the U.S. domestic market.
 
The 2,000-mile, 2.4-Bcf/d Great Lakes Gas Transmission pipeline runs from Emerson, Manitoba to St. Clair, Ontario, servicing Minnesota, Wisconsin, and Michigan. Running from the New York-Canada border to Long Island, the 400-mile, 0.9-Bcf/d Iroquois Gas Transmission System pipeline serves natural gas distribution networks in New York State.
 
The 280-mile, 0.2-Bcf/d Portland Natural Gas Transmission System distributes natural gas from Quebec to greater New England. The 780-mile, 650-Mmcf/d Maritimes and Northeast Pipeline transports natural gas from Canada’s Atlantic natural gas fields to Dracut, Massachusetts, where it interfaces with the U.S. domestic network.

Alliance Pipeline Limited, a partnership of Enbridge and the Fort Chicago Energy Partners income fund, operates the 970-mile, 1.3-Bcf/d Alliance pipeline from Gordondale, Alberta to the Saskatchewan-Montana border. Its U.S.-based partner company operates the U.S. portion of the pipeline, which runs 890 miles to Illinois.

Source: Energy Information Administration