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Notices

Tableau Outage – Scheduled Maintenance

Posted: October 22, 2026

The Tableau tool and all public reports on the AER website will be unavailable, Thursday, October 29, 2026, from 3:30 p.m. to 5:00 p.m. due to scheduled maintenance. For questions about the outage, contact the Customer Contact Centre at 403-297-8311 ( 1-855-297-8311 toll-free) or inquiries@aer.ca.

This page lists notices of the filing of applications, application amendments, and notices of AER hearings.

A notice may tell you

  • what a project is about,
  • how to get more information about a project,
  • how to file a statement of concern,
  • how to request to participate in a hearing, and
  • what our filing deadlines are.

Most notices are on the Public Notice of Application page, which has automatically generated notices for most applications related to energy development.

In the table of notices below, click on the column heading to change the sort order.

Application ReferenceNotice TypeCompany NameApplication Number(s)Date Sort ascending
Proceeding ID 441Notice of Cancelled Hearing – Regulatory appeal of the AER’s decision to issue Approval Amendment No. 00047679-02-04Montem Resources Alberta Operations Ltd.
Proceeding ID 438Notice of Cancelled HearingPipestone Energy Corp.
Proceeding ID 441Notice of Hearing – Regulatory Appeal of the AER’s decision to issue an Approval Amendment to add water monitoring and reporting conditions at the Tent Mountain Coal MineMontem Resources Alberta Operations Ltd.
23.M.016Notice of Application – Brazeau County – Transfer of OwnershipObsidian Energy Ltd.23.M.016
Proceeding ID 427Notice of Hearing - Incorporating Proceeding ID 439 into Proceeding ID 427Greenfire Resources Operating Corporation
Application 23.M.015Notice of Application – M.D. of Greenview No. 16 – Transfer of OwnershipBlue Sky Resources Ltd.23.M.015
Application 23.M.014Notice of Application – Clear Hills County  – Transfer of OwnershipFirst Helium Alberta Inc.23.M.014
Application 32517875Notice of Application - Limited Remediation Certificate 31 km west of WhitecourtTidewater Midstream & Infrastructure Ltd.32517875
Proceeding ID 437Notice of Cancelled Hearing - Regulatory Appeal of an OrderVesi Energy Corp.
Proceeding ID 429Notice of Cancelled Hearing – Regulatory Appeal of Approval ConditionGoose Creek Resources Ltd.