Proceeding 27523 Register

Application status: under review

Statements of intent to participate deadline: September 1, 2022

Written evidence deadline: October 13, 2022​

Decision expected: To be determined

Watch an AUC hearing


The Alberta Utilities Commission will be holding a hearing to review the applications and submissions from AltaLink Management Ltd. for approval to salvage and rebuild approximately 27 kilometres of Transmission Line 150L. The AUC issued a notice of hearing on August 2, 2022. 

AltaLink has proposed a preferred route, which predominantly follows the existing alignment, as well as several alternate route segments. The AUC may approve any of the proposed routes. Further information about the proceeding is available through the AUC’s eFiling System under Proceeding 27523.

Participant information session

The AUC holds information sessions to provide information about how to have your say and become involved in its proceedings. The AUC is prepared to provide a telephone or virtual session about options for participating in this proceeding and the local intervener funding that may be available to you to support your participation, if requested by individuals or groups interested in the proceeding.

Please contact the lead application officer, Trevor Richards at 403-592-4469 or by August 19, 2022 if you want to participate in an information session.

For more information about how you may become involved in this proceeding, please contact us or visit our website and review the information on the AUC’s Review process for facility applications web page.

Hearing information

The AUC will be holding a hearing to review the applications and submissions received to consider the electric transmission development applications in Proceeding 27523. The hearing will commence on December 5, 2022 at 10 a.m.

If you intend to present evidence at the virtual hearing, you must submit your written evidence by October 13, 2022, and be present at the commencement of the hearing. Your written evidence should include your statement about your intended level of participation, including whether you or your representative will:

  • Attend the hearing.
  • Cross-examine any of the applicant’s witness panels.

If you want to learn more about the review process, or for more information about how you may become involved in this proceeding, please contact us or review the information under “Have your say” or under “Review process.”

Summarized process schedule

The AUC has established the following process to consider the applications:

Process stepDeadline date
Interveners’ participation submissions deadlineSeptember 1, 2022
Interveners’ information requests (questions) to applicant deadlineSeptember 15, 2022
Applicant’s deadline to respond to information requestsSeptember 29, 2022
Interveners’ written evidence deadlineOctober 13, 2022
Information requests to interveners about intervener evidenceOctober 27, 2022
Interveners’ deadline to respond to information requestsNovember 10, 2022
Applicant’s reply evidence deadlineNovember 24, 2022
Commencement of hearingDecember 5, 2022 at 10 a.m.

The eFiling System​

The eFiling System should be accessed to view the applications and the other documents the AUC will be considering in this proceeding. The system is also used to file submissions and evidence to participate in the proceeding.

To create an account, select “New account” and follow the steps to create a user ID and password. If you have any questions about how to use the system please contact us at or 310-4AUC.

Documents being considered in this proceeding can be found in the eFiling​ System (which requires log in). Once you have logged in, enter 27523 in the “go to” section at the top left corner of your screen.

Transmission Line 150L Rebuild