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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
Application 31902046Notice of Application - Cardinal Energy Ltd.Cardinal Energy Ltd.31902046
Application 015-00011187Notice of Application - Highvale Coal Mine (Mine No. 1769) - Ash Recovery OperationTransAlta Corporation015-00011187,  1940926
Application 1939664Notice of Application - Horizon Oil Sands Mine and Processing PlantCanadian Natural Resources Limited1939664 and 020-0149968
Application 1939668Notice of Application - Base Plant – Tailings Management Plan (TMP) AmendmentSuncor Energy Inc.1939668
Application 1939568Notice of Application - Parkland CountyVoltarix Group1939568
Application 1939581Notice of Application - Leduc CountyVoltarix Group1939581
Application 22.M.008Notice of Application - County of Forty Mile No. 8 - Transfer of OwnershipTower Ridge Enterprises Corp.22.M.008
Application 1939500Notice of Application - Foster Creek Thermal ProjectCenovus Energy Inc.1939500 and 042-00068492
Applications 1939437, 1939438, etcNotice of Application - Vista Coal ProjectCoalspur Mines (Operations) Ltd.1939437, 1939438, 1939439, 015-00301345, 011-00311969, and 007-00311965
Application 22.M.007Notice of Application - Lakeland County, M.D. of Bonnyville No.87 - Transfer of OwnershipGeneral Energy Recovery Inc.22.M.007