Montana Alberta Tie Project

Montana Alberta Tie Project is a 214-mile, 230-kV transmission line that originates at Lethbridge, Alberta, and terminates at Great Falls, Montana. The project was estimated to cost $400 million. Construction began mid-2013.  In mid-August, 2011, Enbridge acquired the assets of the project from Tonbridge for $20 million plus a debt payoff of $50 million. The project will enable movement of electricity between Alberta and Montana. The complete project ha a 550 MW and 600 MW bi-directional rating.  Additionally, Enbridge has repaid a development loan between Tonbridge and Western Area Power Administration (WAPA) of $161 million.

Project Sponsor Line Miles Voltage (kV) From State To State Year in Service
Enbridge Inc. 214 230 AB MT 2013
Estimated Costs ($M) Voltage Type Project Status Project Group Origin Point Destination Point
400 Operating Lethbridge Great Falls
Interstate Build Start NERC ISO/RTO Country Project Partners
2013 WECC AESO CA Enbridge