Trans Mountain pipeline expansion costs surge 44% to $30.9 billion

Government-owned project expected to start shipping oil in early 2024

The cost of the government-owned Trans Mountain oil pipeline expansion has jumped to $30.9 billion, the federal corporation building the project said on Friday, a 44 per cent increase on the previous estimate.

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Trans Mountain Corp. (TMC) said it is in the process of securing external financing to fund the remaining cost of the project, which is now expected to start shipping oil in the first quarter of 2024.

The 590,000 barrel-per-day pipeline expansion will nearly triple the flow of barrels from Alberta’s oilsands to Canada’s Pacific coast, opening up access to Asian markets, but has been beset by regulatory delays, environmental opposition and hefty budget overruns.

Last February, TMC increased the cost estimate to $21.4 billion, up from $12.6 billion in 2020 and $7.4 billion in 2017. Following last year’s jump, the Canadian government said it would halt any further public funding for the project.

TMC blamed the increase on a number of factors including high global inflation and supply chain issues, floods in British Columbia, unexpected major archaeological discoveries and challenging terrain.

The corporation also said the current cost estimate does not include reserves for “extraordinary risks” and could change again.

“As with all projects of this size, risks to the final costs and schedule will remain as work is completed through 2023,” TMC said in a statement.

© Thomson Reuters 2023