Tonbridge Power Inc. is fully engaged in the construction and corresponding support activities of the Montana Alberta Tie Ltd. (MATL) project. MATL Project include development and construction of the MATL Power Line, an electricity transmission line between a substation northeast of Lethbridge, Alberta and a substation due east of Great Falls, Montana. The Company focuses to evaluate and advance the Green Line Project and develop other power transmission projects for establishing, developing, owning and operating power transmission projects and providing transmission line service to electricity Shippers in North America. Its operating subsidiaries include Montana Alberta Tie Ltd. (MATL), MATL LLP and Big Sky Green Power Inc. (Big Sky). In October 2011, Enbridge Inc.�s affiliate acquired the Company.