Trans Mountain's latest cost estimate climbs 10 per cent, regulatory filing shows

A new regulatory filing shows the company behind the Trans Mountain pipeline expansion now estimates the project's costs will come in 10 per cent higher than its May 2023 estimate of $30.9 billion. Trans Mountain Corp. provided the estimate in a filing on Monday to the Canada Energy Regulator, but said it is subject to the receipt of final costs and expenses once the pipeline project is complete. The company said it will need approximately three months following the completion of construction be