Milbank, S.D., to Ellendale, N.D.
Award of Merit
Owner: Otter Tail Power
Partners: Montana Dakota Utilities
Lead Design Firm: Power Engineers
Prime Contractor: Brink Constructors Inc.
Environmental Engineer: HDR
Construction Management: Beste Consulting
Civil Construction General Contractor: Tri-State Drilling
Subcontractors: A&I Services; Dahn Construction; Fiber Network Solutions; KLJ; Power Consulting Associates; Webster Scale; Winco Powerline Services
This project installed a 163-mile-long, 345-kV extra high-voltage power transmission line from South Dakota to North Dakota. Designed to withstand harsh elements, the power line features monopole tubular steel on concrete drilled-pier foundations with a bundle twisted-pair 477-T2 ACSR conductor. The footprint was minimized on landowners’ fields, while the route avoided buildings and excessive tree removal and minimized obstruction of crop land.
April 8, 2020 The New England Clean Energy Connect (NECEC) has awarded more than $300 million in contracts to build and upgrade transmission and...Learn More