Winnifred Wind Power Plant Connection Project

Winnifred Wind Power Plant Connection Project

The AUC is reviewing ​applications for transmission development in the Medicine Hat area



The Alberta Utilities Commission (AUC) is reviewing applications from Enerfin Energy Company of Canada Inc. to construct and operate the Winnifred Wind Power Plant Connection Project. 

The AUC issued a notice of applications​ for the project on September 1, 2021.

Enerfin Energy Company of Canada Inc. has applied to:

  • construct and operate ​a new approximately 25-kilometre, 138-kilovolt (kV) transmission line, to be designated as Transmission Line 498L.
  • connect Enerfin's proposed Winnifred Wind Power Project to the Alberta Interconnected Electric System, via Enerfin's proposed Holsom 1054S Substation. 

AltaLink Management Ltd. has applied to:

  • connect the existing Bullshead 523S Substation to proposed Transmission Line 498L. 
  • upgrade the Bullshead 523S Substation to accommodate this proposed connection.​


​​Detailed maps can be found in the eFiling system, or by visiting the applicant’s Winnifred Wind Power Plant Connection Project​ website.​

Virtual information session​

The AUC held a virtual information session on November 18, 2021, from 6:30 p.m. to 7:30 p.m. to provide information about how interested parties may become involved in this proceeding and the funding which may be available to you to support your position, which includes costs for legal representation and expert witnesses.

​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." ​

How to participate​

If you wish to participate in this proceeding, please log in to the eFiling System, go to Proceeding 26707 , and register to participate under the “registered parties" tab and file a submission. Alternatively, please contact us at 310-4282 or for more information or assistance with filing your submission. The lead application officer, Trevor Richards, can also be contacted at 403-592-4469 or b y email at

Summarized process schedule 

On October 22, 2021, the Alberta Utilities Commission issued a notice of hearing for the applications for the Winnifred Wind Power Connection Project. The Commission's notice outlined initial process steps and indicated that it would hold a virtual oral hearing to consider the proceeding.

The Commission has determined it will host a virtual oral hearing, commencing on Tuesday, February 22, 2022, and has updated the process schedule as follows:​

Process stepDate
Interveners' information requests (questions) to applicants deadlineDecember 10, 2021
Applicants' deadline to respond to information requestsDecember 22, 2021
Interveners' written evidence deadlineJanuary 12, 2022
Information requests to interveners deadlineJanuary 20, 2022
Interveners' deadline to respond to information requestsFebruary 3, 2022
Applicants' reply evidence deadlineFebruary 11, 2022
Commencement of hearing
Tuesday, February 22, 2022
 at 10 a.m.

Details on further process steps, including information requests to interveners about their evidence, reply evidence from the applicant, and the dates of the oral hearing will be announced at a later date.

​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 26707 in the "go to" section at the top left corner of your screen.​

Proceeding 26707               Register

Application status: under review

 Online hearing: To be determined

Location: Online meeting​


Decision expected: Winter 2021​-2022


AUC contact: Trevor Richards
 403-592-4469 or

​​ ​​​

Enerfin Energy Company of Canada Inc. contact: Sébastien Verzeni-Foubert
514-658-0934​ or

​​ ​​​

 AltaLink Management Ltd. contact: Michelle Lemieux 

​403-267-5909 or​​

Listen to a hearing

Access all regulatory documents

Anyone can access applications and proceeding information through the eFiling System.

Create a new account or log in below