Here are some key dates in the history of the Trans Mountain pipeline and Kinder Morgan Canada’s efforts to expand its capacity:
October 1953: The Trans Mountain pipeline begins shipping oil with an initial capacity of 150,000 barrels per day. The project features four pump stations along its 1,150-kilometre route and a marine dock that connects loading facilities on the east side of Edmonton with ocean tankers in Burnaby, B.C.
1957: Pipeline capacity is expanded via the construction of a 160-kilometre pipeline loop. The Westridge Marine Terminal is built and commissioned in Burnaby, B.C.
Jan. 14, 1985: Trans Mountain’s biggest spill occurs at a tank farm in the Edmonton area. Nearly 10,000 barrels of oil are released.
2006 – 2008: The Anchor Loop project adds 160 kilometres of new pipeline through Jasper National Park and Mount Robson Provincial Park between Hinton, Alta., and Hargreaves, B.C. The extension includes 13 new pump stations and modifications to existing stations, increasing capacity from 260,000 bpd to 300,000 bpd.
LISTEN: BC premier reacts to federal government pipeline purchase
Feb. 21, 2012: Kinder Morgan says it wants to expand the Trans Mountain pipeline after receiving support from oil shippers and will begin public consultations.
Dec. 16, 2013: An application is made to the National Energy Board (NEB) to expand the Trans Mountain pipeline. Construction is proposed to begin in 2017, with the aim of having oil flow through the expansion by December 2019.
November 2014: More than 100 people are arrested after they camp out in a conservation area on Burnaby Mountain, east of Vancouver, to block crews from conducting drilling and survey work related to the pipeline expansion. Most of the charges are later dropped.
August 2015: The NEB postpones public hearings after striking from the record economic evidence prepared by a Kinder Morgan consultant who was to begin working for the regulator.
Jan. 12, 2016: Alberta Premier Rachel Notley says in a written submission to the NEB that the Trans Mountain pipeline expansion is in the best interests of both Alberta and Canada.
Watch below: Alberta Premier Rachel Notley said Tuesday the federal government announcing plans to buy the Trans Mountain pipeline expansion project is a major move forward for Albertans and Canadians.
Jan. 27, 2016: The federal Liberal government says pipeline projects such as the Trans Mountain expansion will now be assessed in part on the greenhouse gas emissions produced in the extraction and processing of the oil they carry. Proponents will also be required to improve consultations with First Nations.
May 17, 2016: Ottawa appoints a three-member panel to conduct an environmental review of the Trans Mountain expansion project.
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May 29, 2016: The NEB recommends approval of the pipeline, subject to 157 conditions, concluding that it is in the public interest.
Nov. 29, 2016: Prime Minister Justin Trudeau sanctions the Trans Mountain expansion, part of a sweeping announcement that also saw approval of Enbridge’s Line 3 pipeline replacement but the end of its Northern Gateway project.
Jan. 11, 2017: B.C. Premier Christy Clark announces her support for the project, saying Kinder Morgan has met five government conditions including a revenue-sharing agreement worth up to $1 billion.
May 15, 2017: The Federal Court of Appeal grants Notley’s government intervener status in a lawsuit filed by municipalities and First Nations against the project.
May 25, 2017: Kinder Morgan makes its final investment decision to proceed with the development, now estimated to cost $7.4 billion, subject to the successful public offering of Kinder Morgan Canada.
May 29, 2017: The B.C. NDP and Greens agree to form a coalition to topple the Liberal party, which won a minority government in an election earlier in the month. The parties agree to “immediately employ every tool available” to stop the project.
May 30, 2017: Kinder Morgan Canada debuts on the Toronto Stock Exchange after a $1.75-billion public offering.
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June 29, 2017: The B.C. Liberals lose a no-confidence vote, clearing the way for NDP Leader John Horgan to become premier.
Aug. 10, 2017: The B.C. NDP government hires former judge Thomas Berger to provide legal advice as it seeks intervener status in the legal challenges against the project filed by municipalities and First Nations.
Oct. 26, 2017: Kinder Morgan Canada asks NEB to allow work to begin despite a failure to obtain municipal permits from the City of Burnaby.
Dec. 7, 2017: NEB allows Kinder Morgan Canada to bypass Burnaby bylaws.
Watch below: The federal government announced Tuesday morning plans to buy the Trans Mountain pipeline expansion project.
Jan. 17, 2018: Kinder Morgan Canada warns the Trans Mountain expansion project could be a year behind schedule.
Jan. 18, 2018: NEB establishes a process to resolve permitting issues between Kinder Morgan Canada and provincial and municipal authorities.
Jan. 30, 2018: B.C. government moves to restrict any increase in diluted bitumen shipments until it conducts more spill response studies, a move that increases the uncertainty for Trans Mountain.
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March 9, 2018: B.C. Supreme Court grants interim injunction aimed at preventing anti-pipeline activists from protesting construction at two terminals in Burnaby.
March 15, 2018: B.C. Supreme Court grants indefinite injunction preventing protesters from coming within five metres of two work sites for the project.
March 23, 2018: Green Party Leader Elizabeth May and New Democrat MP Kennedy Stewart arrested at a protest against the pipeline expansion; Federal Court of Appeal dismisses a B.C. government bid challenging a NEB ruling that allows Kinder Morgan Canada to bypass local bylaws.
March 27, 2018: City of Burnaby, B.C., says it will file an appeal to the Supreme Court in connection with the Federal Court of Appeal ruling.
April 8, 2018: Kinder Morgan Canada suspends non-essential spending on the Trans Mountain expansion project and sets a May 31 deadline to reach agreements with stakeholders.
May 29, 2018: Federal government announces deal to buy the Trans Mountain pipeline and expansion project from Kinder Morgan Canada for $4.5 billion.
Aug. 23, 2018: The Supreme Court dismisses an appeal by the City of Burnaby to reconsider a lower court decision that denied the port city leave to appeal the ruling by the National Energy Board.
WATCH: Feds plans to spend $4.5 billion to buy Trans Mountain pipeline
Aug. 30, 2018: The Federal Court of Appeal overturns the Trudeau government’s approval of the contentious Trans Mountain pipeline expansion. In a unanimous decision by a panel of three judges, the court says the National Energy Board’s review of the project was so flawed that the federal government could not rely on it as a basis for its decision to approve the expansion.
Sept. 15, 2018: Natural Resources Minister Amarjeet Sohi orders the NEB to undertake a new environmental assessment of the impact additional oil tankers off the coast of British Columbia will have, with a specific focus on the risks to southern resident killer whales. The NEB has until late February to report back.
Sept. 26, 2018: The NEB assigns a new panel to run the hearings and sets deadlines for comments.
Oct. 3, 2018: Natural Resources Minister Amarjeet Sohi hires former Supreme Court of Canada Justice Frank Iacobucci to oversee a new round of Indigenous consultations. No deadline is set for the completion of the process.