Estimated in-service Date: December 2018
Voltage: 230 kV line
Estimated length: 20 miles
Estimated cost: $49 million
Growth in and around the City of Minot has resulted in the need for additional electric power. To continue to meet those needs, the North Dakota Public Service Commission has approved our plan to upgrade the electric transmission system by constructing a 230 kilovolt (kV) Magic City-McHenry transmission line and substation southeast of Minot. The approximately 20-mile transmission line will run between the existing McHenry Substation near Velva and the new Magic City Substation located near the Minot waste water treatment facility (view map below).
The majority of the proposed transmission line route follows an existing 115 kV transmission line. We will replace the existing 115 kV transmission line and structures with new single pole steel structures that will carry both the new 230 kV transmission line and the existing 115 kV line. In North Prairie Township, the proposed route deviates from the existing 115 kV transmission line for approximately 4.2 miles and will be located in new right-of-way. In addition, approximately 1.2 miles of new 115 kV transmission line will be constructed along a new right-of-way to conenct the new Magic City Substation to our existing electrical grid in the City of Minot.
Construction of the Magic City Substation and transmission line began in october 2017. The estimated $49 million project has an estimated in-service date of December 2018, with removal of the existing 115 kV transmission line set to take place in the spring of 2019.
The project will provide increased reliability of electric service in the Minot area by adding another source of electricity.
We filed an application for a Certificate of Corridor Compatibility and Transmission Facility Route Permit with the North Dakota Public Service Commission (ND PSC) in March, 2017. The Commission approved the Route Permit and Certificate of Corridor Compatibility on October 4, 2017. You can view the filing on the ND PSC website (external website) by searching case number PU-17-102. A Certificate of Convenience and Necessity (CCN) was issued by the ND PSC on January 4, 2017. You can view the regulatory filings on the ND PSC website (external website) by searching case number PU-16-644.
Additional Resources & Maps
Detailed Project Maps (PDF)
December 2015 Open House (PDF)
Eminent Domain (PDF)
North Dakota Regulatory Process (PDF)
Overhead vs. Underground (PDF)
EMF Fact Sheet (PDF)
Birds and Power Lines (PDF)
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