The Trans Mountain fiasco
A recent decision by Canada’s energy regulator will see the pipeline’s expansion project avoid yet more additional costs, but it remains blighted by poor economics
Calgary-based Trans Mountain Corp. (TMC) received a rare bit of good news for its troubled Trans Mountain Expansion (TMX) oil pipeline project when the Canada Energy Regulator (CER) ruled in its favour on a re-routing dispute with a British Columbia First Nation in late September. Had the CER not agreed to a minor modification to TMX’s pipeline route in Indigenous territory, it would have added C$86m ($63m) in construction costs to its already bloated budget and pushed the in-service date back yet another nine months, to December 2024. Each month the in-service date is delayed leads to “roughly $200m in lost revenues and roughly $190m in carrying charges”, TMC said in its filing to the regul
Also in this section
12 December 2025
The latest edition of our annual Outlook publication, titled 'The shape of energy to come: Creating unique pathways and managing shifting alliances', is available now
12 December 2025
The federal government is working with Alberta to improve the country’s access to Asian markets and reduce dependence on the US, but there are challenges to their plans
11 December 2025
The removal of the ban on oil and gas exploration and an overhaul of the system sends all the right messages for energy security, affordability and sustainability
10 December 2025
The economic and environmental cost of the seven-year exploration ban will be felt long after its removal






