AUC hearing in progress.

Proceeding 27240 Register

Application status: under review

AUC hearing: November 7, 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 ENGIE Development Canada GP Inc. for approval to construct and operate a 400-megawatt (MW) wind power plant, designated as the Buffalo Trail Wind Power Project. The AUC issued a notice of hearing on August 2, 2022. 

The project would consist of up to 65 wind turbines in two 200-MW phases (north and south phases). Each phase would have a separate substation, which would be designated as Buffalo Trail North Substation and Buffalo Trail South Substation, respectively. The project would be located in Cypress County and the project area and proposed substation locations are shown on the map below.

Further information about the proceeding is available through the AUC’s eFiling System under Proceeding 27240.

Participant information

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 held hearing from November 7 to 10, 2022 to review the applications and submissions received to consider the electric transmission development applications in Proceeding 27240.

Summarized process schedule

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

Process stepDeadline date
Interveners’ information requests (questions) to applicant deadlineSeptember 12, 2022
Applicant’s deadline to respond to information requestsSeptember 21, 2022
Interveners’ written evidence deadlineOctober 3, 2022
Information requests to interveners about intervener evidenceOctober 14, 2022
Interveners’ deadline to respond to information requestsOctober 24, 2022
Applicant’s reply evidence deadlineOctober 31, 2022
Hearing test sessionNovember 1, 2022 at 10 a.m.
Commencement of hearingNovember 7, 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 27240 in the “go to” section at the top left corner of your screen.

Buffalo Trail Wind Power Project