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When energy companies receive a licence to operate, they are required to decommission, remediate, and reclaim their energy infrastructure when development ends. 

To ensure this infrastructure is closed sooner, the AER introduced the area-based closure program. This voluntary program enables companies to work collaboratively to complete closure work more efficiently, limiting the amount of inactive infrastructure across the province and its impact on the environment.  

Amount voluntarily spent in each stage of the closure process by companies participating in ABC

Data is released annually in June.