City of Edmonton transmission reinforcement

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EPCOR is gathering feedback for a proposed electrical transmission development called the City of Edmonton Transmission Reinforcement (CETR) project. This project is needed to provide long-term reliable electricity and replace aging infrastructure. 

Project updates

In April 2024, we sent out information that included above ground route options and an underground route option for the double circuit 240 kV transmission line.

Since that time, we have developed three “hybrid route” options that combine both above and underground segments. These three hybrid options are being considered along with the above ground route that runs along the south side of Yellowhead Trail and the full underground route on the north side of Yellowhead Trail.

Project map

Once you select a location, use the scene configuration tool (top right) to view the different route segments. View route segments on the 240 kV or 72 kV transmission lines below.


Project overview

The Alberta Electric System Operator (AESO) has identified a need to reinforce the electric system in northeast Edmonton and replace aging infrastructure. To meet this need, the AESO has directed EPCOR to plan the following transmission facilities:

  • New 240 kV transmission lines
  • New 72 kV transmission lines
  • A new substation

View visual renderings of the transmission lines here.

240 kV transmission line

A new double circuit 240 kV transmission line is being planned to reinforce the electrical transmission system in northeast Edmonton. We are trying to determine the best route from an existing transmission line to a planned new substation located west of 62 Street and 125 Avenue. Although there are multiple options shown, only one route will be built.

72 kV transmission line

A new double circuit 72 kV transmission line is being planned to reinforce the electrical transmission system in northeast Edmonton. We are trying to determine the best route from the existing Namao Substation to the planned new substation west of 62 Street and 125 Avenue. After careful consideration, we have narrowed down the route options.

These will be a double circuit transmission line, which are two transmission lines using mostly one set of structures. By using double circuit transmission lines, we can meet the demand for electricity in the area with the least amount of transmission line routes and structures.

Planned new substation

A new substation is being planned in a new location to replace the existing Kennedale Substation, which does not have the space to accommodate the required upgrades.

Removal of existing equipment

View informati​​on on the removal of existing transmission lines and the Kennedale Substation.​


Approval process and proposed project schedule


Engagement opportunities

In the upcoming months, EPCOR will be contacting homeowners, occupants, and business owners directly facing the proposed new developments to get feedback. Although we encourage anyone who has questions or feedback to contact us.

There are lots of steps in planning a new transmission development like this one and there will be opportunities to provide feedback and ask questions throughout the process.

What we heard

Public feedback is an important part of our planning process. So far, we have had over 500 conversations, which helped us refine our route options. Below is a summary of the feedback and what we did with that information.

Sign up for updates

Questions and feedback

We want to hear your questions or feedback.

Contact EPCOR

Phone: 780-412-8800
Email: CETR@epcor.com
Online form: Provide feedback


Glossary of terms

There can be many technical terms used to describe electricity projects. We do our best to not use technical language but here are some common definitions to help understand this project. 

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