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OneStop

OneStop Outage – Maintenance Release

Posted: October 16, 2026

OneStop and its map viewers will be unavailable on Wednesday, October 21, 2026, from 12:00 p.m. to 5:00 p.m.  We strongly recommend submitting important draft applications and submissions before the outage period, as saved drafts may not always be retrievable afterwards.

Following the release, OneStop map viewers will feature a refreshed look and feel. Some navigation and workflows may be different. Updated help guides will be available on OneStop Help under Guides for General Map Viewers . 

After the outage, clear your web browser’s cache to access the latest version of OneStop.

Operational Notifications in OneStop

Effective November 2, 2026, industry and service contractors must submit select compliance-related operational notifications through OneStop. There are no changes to compliance requirements, reporting obligations, enforcement activities, reporting timelines, or compliance oversight.

For more information, visit the Operational Notifications in OneStop webpage. 

Water Licensing Legacy Data Import

For more information see Water Licence Application Processing in OneStop.

OneStop Login


Enhancements, Fixes & Bulletins

Training and Information Sessions

OneStop Record of Site Condition (RoSC) Industry Information Sessions - September 16 to 24, 2026. 

About OneStop

OneStop is the AER’s application review technology that processes energy- and resource-related applications in Alberta. 

When an operator submits an application into OneStop, the technology uses a complex set of rules to determine the necessary level of review. Lower risk applications (or components of an application) can be approved automatically through OneStop within minutes, as they’re considered routine with no impact on public safety or the environment. All other applications (or components of an application) are redirected to technical experts for additional review and assessment.

Learn more about how we regulate.

Public Tools and Reports

Use the OneStop Application Query Tool to access the status on and attachments associated with OneStop applications. The tool is openly accessible. No login is required.

Additional reports and data summaries can be accessed through the links below.