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Notice of Application
OSCA Application 1933240
EPEA Application 016-206355
Cenovus Energy Inc. on behalf Husky Oil Operations Limited
Sunrise Thermal Project

The Alberta Energy Regulator (AER) has received Oil Sands Conservation Act (OSCA)application  1933240 and Environmental Protection and Enhancement Act (EPEA) application  016-206355 from Cenovus Energy Inc. (Cenovus), on behalf of Husky Oil Operations Limited, for amending approval for removal of the Sulphur Removal Unit (SRU) Oxidizer Vent Stack and addition of a Regenerative Thermal Oxidizer (RTO) as a continuous emission source. The AER is reviewing the applications together.

This notice sets out the deadline for filing statements of concern on both applications. See below on how to file a statement of concern by the specified deadline.

Description of the Applications

Cenovus has applied under OSCA and EPEA, to remove the SRU Oxidizer Vent Stack as a continuous emission source and add a RTO as a continuous emission source in its place. The SRU Oxidizer Vent Stack will be redirected to the RTO and Cenovus is therefore requesting the removal of the requirement for a Continuous Emissions Monitoring System to monitor for hydrogen sulphide on the SRU Oxidizer Vent Stack. The SRU Oxidizer Vent stream is compromised of saturated process air and hydrocarbon, and the RTO is designed for exhaust streams with high volumes of air to eliminate the venting of methane and other hydrocarbons from the SRU Oxidizer Vent.

This project is located on Townships 94, 95, 96 and 97, Ranges 6 and 7, West of the 4th Meridian, within the Lower Athabasca Oilsands development area.

For a copy of the applications, contact

Cenovus Energy Inc.
225 – 6 Avenue SW
PO Box 766
Calgary, AB  T2P 0M5
Attention: Holly Kelly
Telephone: 587-774-5779
Email: @email

To receive a copy of the applications, and supporting documents, submit an information request, as outlined at, to

AER Information Distribution Services
Suite 1000, 250 – 5 Street SW
Calgary, Alberta  T2P 0R4
Telephone: 1-855-297-8311
(toll free; option 0)
Email: @email

Refer to this notice when requesting information for a faster response. Copies of the applications will also be available at

Alberta Government Library
44 Capital Boulevard
11th Floor, 10044 – 108 Street
Edmonton, Alberta  T5J 5E6
Telephone: 780-427-2985
(toll free: 780-310-0000)

AER Fort McMurray Regional Office
2nd Floor, Provincial Building
Box 15, 9915 Franklin Avenue
Fort McMurray, Alberta  T9H 2K4
Telephone: 780-743-7214

Requirement to File a Statement of Concern

If you have concerns with these applications, you must file a statement of concern as described below. If you do not file a statement of concern, the AER may approve the applications without further notification.

How to File a Statement of Concern

For your submission to be considered a valid statement of concern, it must be filed before 4:00 p.m. on July 14, 2021. Send one copy of your statement of concern to Cenovus at the name and address above and one copy to

Regulatory Applications Branch
Alberta Energy Regulator
Suite 1000, 250 – 5 Street SW
Calgary, Alberta  T2P 0R4
Fax: 403-297-7336
Email: @email

Contents of a Statement of Concern

For your submission to be considered a valid statement of concern, it must include

  1. why you believe that you may be directly and adversely affected by a decision of the AER on the applications;
  2. the nature of your objection to the applications;
  3. the outcome of the applications that you advocate;
  4. the location of your land, residence, or activity in relation to the location of the energy resource activity that is the subject of the applications; and
  5. your contact information, including your name, address in Alberta, telephone number, and
    email address or, if you do not have an email address, your fax number.

 The AER also requests that you include the application number in your statement of concern.


Section 49 of the Alberta Energy Regulator Rules of Practice (Rules of Practice) requires that all documents and information filed in a proceeding be placed on the public record. If you file a submission, you must not include any personal information that you do not want to appear on or are not authorized to put on the public record. Section 49(2) of the Rules of Practice states how to apply to the AER for an order to keep information confidential. The Rules of Practice is available on the AER website at


Submissions relating exclusively to compensation for land use are not dealt with by the AER and should be referred to the Alberta Surface Rights Board.
Under section 21 of the Responsible Energy Development Act, the AER does not have the jurisdiction to assess the adequacy of Crown consultation associated with the rights of aboriginal peoples as recognized and affirmed under the Constitution Act, 1982.

For information on AER procedures, contact the regulatory applications specialist, Shirin Modami, by phone at 403-297-3709 or by email to @email.

Issued at Calgary, Alberta, on June 14, 2021.
Charlene Graham, General Counsel