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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 1902073Notice of Application - Grassy Mountain Coal ProjectBenga Mining Limited1902073 and 1844520
Application 1900121Notice of Application - Husky McMullen Willow Creek Thermal ProjectHusky Oil Operations Limited1900121
Application 1900216Notice of Application - Tent Mountain MinePrairie Mines and Royalty ULC1900216
Application 1899100Notice of Application - Athabasca Oil Sands AreaSuncor Energy Inc.1899100
Application 1899752Notice of Application - Aurora North Stanley Creek InfillingSyncrude Canada Ltd.1899752
Application 1886169Amended Notice of Application - Garden Plains FieldNVP Exploration Inc.1886169
Application 1896853Notice of Application - Vista Coal MineCoalspur Mines (Operations) Ltd.1896853, etc.
Application OSE170005Amended Notice of Application - Southeast RegionDevon NEC CorporationOSE170005, etc.
Application OSE170004Amended Notice of Application - Southeast RegionDevon Canada CorporationOSE170004, etc.
Application OSE170003Amended Notice of Application - Southeast RegionDevon NEC CorporationOSE170003, etc.