Cooking Lake 138 kV Transmission Line and Substation Upgrade Project

The Cooking Lake 138 kV Transmission Line and Substation Upgrade project is part of the South and West of Edmonton Area Transmission Development. This area has grown significantly in recent years and the demand for electricity has increased. Transmission system reinforcements are required to make sure residents, businesses and industry continue to have a reliable supply of electricity for years to come.


The proposed project includes: 

  • building approximately 25 km (15 miles) of double circuit 138 kV transmission line from the existing 780L line to the Cooking Lake 522S Substation
  • potentially modifying a portion of the 780L line and the 174L line to connect to the new double circuit line
  • modifications to and expansion of the fence line at the Cooking Lake 522S Substation

Detailed Project Schedule

Summer 2013 - Summer 2014 Notify and consult with stakeholders
Fall 2015 File application with Alberta Utilities Commission (AUC)
November 2016 Start construction 
December 2017 Complete construction

Project Status:
construction

Anticipated Project Schedule

November 2016 Start Construction
December 2017 Complete Construction

Although we attempt to follow the anticipated project schedule, it is subject to change. We will continue to provide you with updated schedule information as the project progresses.

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