Provost to Edgerton Transmission Development Project

Provost to Edgerton ​Transmission Development​ Project

The AUC has approved​ applications for transmission development in the Provost to​ Edgerton area​



The Alberta Utilities Commission has approved applications for the Provost to Edgerton Transmission Development​ project, issuing Decision 26171-D01-2021 on August 26, 2021.

AltaLink Mangement Ltd. is approved to construct and op​erate the Provost to Edgerton development in two stages. Stage 1 consists of the addition of one 240-kilovolt (kV) transmission line between the Hansman Lake 650S Substation and Transmission Line 749AL, and modifications to the Hansman Lake 650S Substation.

Stage 2 consists of the addition of one 240-kV transmission line between Transmission Line 749AL and the Edgerton 899S Substation, and modifications to the Edgerton 899S Substation.​

The AUC issued a notice of h​earing​ ​for the Provost to Edgerton development application on December 21, 2020.​​ The AUC identified a labelling error on the map that was enclosed with some of the notices of hearing. In those cases the map provided by the AUC incorrectly identified the “AltaLink alternate transmission line route – Stage 1” as Stage 2 and “AltaLink alternate transmission line route – Stage 2” as Stage 1. The visual depiction and description of the proposed route alignments in the map were correct but were mislabelled. A revised notice was issued January 7, 2021 and a new version of the map showing the correction is below.
The map below identifies the routes applied for by AltaLink Management Ltd. ​Detailed maps can be found in the eFiling system, or by visiting the AltaLink Management Ltd. website​.​


Summarized process schedule ​

The AUC established the following process to consider the applications:

Process stepDate
Virtual Q&A sessionJanuary 28, 2​021, 6:30 p.m.
Interveners' participation submissions February 11, 2021
Interveners' information requests (questions) to applicants' deadlineMarch 4, 2021
Applicant's deadline to respond to information requestsMarch 18, 2021
Interveners' written evidence deadline
April 1, 2021
Applicant's information requests to interveners​
​April 20, 2021
​Interveners' responses to information requests
​May 4, 2021
Applicant's rebuttal evidence​
​May 11, 2021
​​Commencement of hearing
​May 26, 2021 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 considered in this proceeding can be found in the eFiling​ System (which requires log in). Once you have logged in, enter 26171​​​ in the "go to" section at the top left corner of your screen.

Proceeding 26171               Register

Application status: completed

Decision: 26171-D01-2021, issued August 26, 2021​​


AUC contact: Taylor McCusker
 403-592-4370 or

​​ ​​​

 AltaLink Management Ltd. contact: Michelle Lemieux 403-267-5909 or​​

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Access all regulatory documents

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

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