• Foothills Area Transmission Development

Langdon to Janet Transmission Project

The routes in this map represent potential route options. If the project is approved, only one line will be built.

Click here to see 3-D images of the potential routes in various locations.

Project overview

AltaLink is currently completing public consultation for this project and wants your input to identify the lowest overall impact location for the proposed new transmission line and upgrades to existing transmission lines and substations. 

The Langdon to Janet Transmission Project is part of an area transmission development called the Foothills Area Transmission Development (FATD). This development includes new transmission lines and upgrades to the electric system in Calgary and the communities south and east of the city. The majority of the transmission system in the area was built in 1985, since that time the population and industry has grown substantially. These projects will ensure power from new generation plants, including wind power from southern Alberta, is connected to Alberta's electric system and maintain a reliable supply of electricity to support the growth and demand in this area.

Project details

The proposed project includes: 

  • a new 240 kV transmission line from the Langdon Substation to the Janet Substation
  • modifications to existing transmission lines in the east Calgary area
  • an expansion and upgrade of the existing Langdon and Janet Substations located east of Calgary

Anticipated project schedule

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.

Project schedule
Early 2012 File Facilities Application with the AUC
Spring 2013 Start construction if project is approved

Newsletters and maps

November 2011

October 2011 

May 2011 

March 2011 
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