Alberta’s crude oil output in October 2025 dipped to 4.14 MMb/d (height of stacked columns inside dashed rectangle in chart below), the second highest level for the month, a small loss of 0.08 MMb/d versus September and a slight 0.01 MMb/d less than a year ago according to data released by the Alberta Energy Regulator (AER). November was only the third year-on-year loss recorded for production since October 2023. The monthly decline was driven by a reduction in the output of non-upgraded bitumen (green columns) to 2.13 MMb/d, a loss of 0.14 MMb/d versus September. Some offset was provided by a small increase in synthetic crude oil (red columns) of 0.05 MMb/d to 1.36 MMb/d, with other production categories marginally higher month-on-month. The reduction in non-upgraded bitumen was linked to the winding down of turnaround work, primarily at Suncor’s MacKay River and Firebag oil sands sites.
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