What this covers
Place: Alberta oil-sands mines
Time covered: Security at September 2025; costs from the 2024 reporting year
What this does not prove
These are total cost estimates, not a bill paid each year. The gap is not proven debt for the public. It leaves out other wells and the total cost for pipelines.
Read the source
Mine Financial Security Program assessment of implementation ↗
Auditor General of Alberta · 2025-12
Where to look: Printed p. 4 / PDF p. 6, security and reclamation liabilities; footnotes 8–10
Fixes and updates
No fact has changed in this version. If we fix a claim, we will add the date and explain the change here and in our list of fixes.