DOE prepared a final environmental impact statement for the North Plains Connector Project (DOE/EIS-0568).
Office of NEPA Policy and Compliance
August 28, 2026
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North Plains Connector; Multiple Locations, Montana and North Dakota
The U.S. Department of Energy and the Montana Department of Environmental Quality issued a final environmental impact statement (EIS) for North Plains Connector (DOE/EIS-0568). This EIS assesses the potential environmental impacts of construction and operation of a proposed 525-kilovolt (kV) high-voltage direct-current transmission line and three alternating current (AC) transmission lines spanning approximately 422 miles between Montana and North Dakota, as well as auxiliary facilities.
For more information, see North Plains Connector.