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Canadian NEB approves Manitoba Hydro’s MMTP [free access]

November 15, 2018

The Canadian National Energy Board (NEB) has approved the construction of Manitoba Hydro’s Manitoba–Minnesota Transmission Project (MMTP), subject to 28 conditions (that relate to consultation with indigenous peoples, the environment, engineering standards, safety, and emergency response) and the approval of the Governor in Council.


The CAD453 million project is aimed at exporting electricity from Canada to the US. It will run from the Dorsey converter station to the Riel station in Manitoba, and then further on to the Manitoba–Minnesota border. It includes the construction of a 213-km-long, 500 kV alternating current (AC) transmission line from the Winnipeg area to south-eastern Manitoba, where it will connect with the Great Northern Transmission Line in the US, being developed by Minnesota Power. Approximately 92 km of the proposed route is located within existing transmission line corridors, while the remaining 121 km will be built along a new right-of-way (RoW). The project also includes upgrades at the Dorsey, Riel and Glenboro substations.


The projected in-service date of the project is mid-2020.