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Transmission lines in Ontario

10 major projects: proposed, approved, under construction or on hold. Each has a value its source publishes, shown in its own currency. View on map

By stage

By subtype

Largest by published value

  1. Northwest Bulk Transmission Line Waasigan Transmission Line C$1.2B Thunder Bay to Dryden, Ontario · value from NRCan Major Projects Inventory
  2. Longwood to Lakeshore Phase 1 C$800M Municipality of Strathroy-Caradoc to Municipality of Lakeshore, Ontario · value from NRCan Major Projects Inventory
  3. Longwood to Lakeshore Phase 2 C$800M Municipality of Strathroy-Caradoc to Municipality of Lakeshore, Ontario · value from NRCan Major Projects Inventory
  4. Wawa to Porcupine C$600M Timmins, Greater Sudbury, Ontario · value from NRCan Major Projects Inventory
  5. Northeast Power Line (Mississagi to Hanmer Transmissio Line) C$530M Wharncliffe, Sudbury, Ontario · value from NRCan Major Projects Inventory
  6. St.Clair Transmission Line C$472M St.Clair, Chatham Kent, Ontario · value from NRCan Major Projects Inventory
  7. St. Thomas Line (including Centennial Transformer Station & Line) C$400M City of London to St. Thomas, Ontario · value from NRCan Major Projects Inventory
  8. Greater Toronto Area East Line Durham Kawartha Power Line C$298M Pickering/Oshawa, Peterborough, Ontario · value from NRCan Major Projects Inventory
  9. Mississagi to Third Line Transmission Line North Shore Link Project C$250M Wharncliffe, Sault Ste. Marie, Ontario · value from NRCan Major Projects Inventory
  10. PUC Transmissionx Project C$189M Sault Ste. Marie, Ontario · value from NRCan Major Projects Inventory

Newest stage changes

No stage changes recorded yet. A change appears here when a source reports one of these projects at a new stage; a project's first report isn't a change.

All 10 projects