Madden 373S Substation Upgrade

AltaLink is proposing to upgrade the existing Madden 373S substation, located approximately 10 kilometres (six miles) southwest of Carstairs.

This project includes:

  • adding a new 138 kV circuit breaker to the existing Madden 373S substation
  • replacing an aging transformer
  • moving the substation fenceline
  • extending an adjacent transmission line by 10 metres (32 feet)

Project Status:

Anticipated Project Schedule

March 2018 Start Construction
Est Oct 21 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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