1976: Foothills Pipe Lines Ltd. (Foothills) puts forward its proposal to the National Energy Board (NEB) for an Alaska Highway pipeline.
1977: The National Energy Board (NEB) selects the Foothills project as the generally preferred route for sourcing Alaskan and northern Canadian natural gas.
1977: Canada and the U.S. sign the Canada-United States Agreement on Principles Applicable to a Northern Natural Gas Pipeline.
1978: The pipeline route in Canada is deemed certificated with the passage of the Northern Pipeline Act, which also creates the Northern Pipeline Agency.
1982: The “Pre-build,” originating in Caroline, Alberta, is completed, transporting natural gas from Western Canada.
1983: An easement through Yukon is granted to Foothills.
1988-98: The Pre-build undergoes five expansions, reaching its current capacity of 3.3 Bcf/d.
2008: The state government of Alaska awards TransCanada Alaska Co. a license under its Alaska Gasline Inducement Act (AGIA), in part providing up to $500M in project development funding.
2009: TransCanada Pipelines Ltd. (TransCanada) and ExxonMobil reach an agreement to jointly pursue the project, commercially known as the Alaska Pipeline Project (APP).
2010: APP holds first ever Open Season to solicit commercial interest from North Slope producers for firm natural gas transportation service.
2012: TransCanada and the gas producers in the North Slope region announce plans to study an alternative route, an all-Alaska liquefied natural gas (LNG) export pipeline. TransCanada holds a non-binding “Solicitation of Interest” from August 31 to September 14, 2012, to assess the potential for shipping commitments on either the AHGP or the LNG route.
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