South Foothills Transmission Project – 240kV

Client: SNC Lavalin T&D

Length: 127 km

Completion Date: August 2015

Location: Stavely, AB


  • 345 steel lattice towers and steel monopole structures
  • Double circuit, twin bundle 1033 Curlew ACSR
  • Cast-in-place concrete piles, helical piles
  • Helicopter and conventional crane erection
  • 6 crossing modifications and construction for 4 bypass lines


Linking the Foothills 237S Substation near High River to the Windy Flats 138S Substation south of Fort McLeod, the line was connected to a new capacitor station near Stavely to reduce reactive power from wind generation.