TL 267 – Bay D'Espoir to Western Avalon Line (230kV)

Client: Newfoundland Hydro

Length: 188 km

Completion Date: November 2017

Location: Newfoundland, Canada


  • Guyed and self-supporting steel lattice towers
  • Single circuit, 804 AACSR conductor and OPGW
  • Steel grillage, surface rock, and spread footing foundations
  • ROW preparation: access construction, permanent bridge installation, and environmental and construction matting
  • Structure erection by helicopter and conventional crane


A major challenge for this project was construction through long sections of deep bog, Canadian Shield ground conditions, and environmental restrictions through Bay du Nord Wilderness Reserve.