BSSE Transmission Line


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Big Stone South to Ellendale Transmission Line

Improving Reliability  apple-touch-icon.png  Delivering Power  apple-touch-icon.png  Supporting Public Policy

The Big Stone South to Ellendale (BSSE) 345-kV Transmission Line will extend 163 miles from the Big Stone South Substation near Big Stone City, South Dakota, to the Ellendale Substation near Ellendale, North Dakota. Otter Tail Power Company and Montana-Dakota Utilities Co. own the project.

Project News

BSSE Transmission Line project using helicopters to assist in stringing conductor

Today the Big Stone South-Ellendale (BSSE) 345-kV Transmission Line project began usi…
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©2018 Otter Tail Power Company and Montana-Dakota Utilities Co.