For over 50 years, Barr Engineering Co. has provided engineering and environmental consulting services to clients across the Americas and around the world. We have work with hydropower clients for more than four decades on projects requiring design, hydraulic and hydrologic engineering, power generation studies, permitting, FERC relicensing support and inspections, and construction support services. Incorporated as an employee-owned firm in 1966, Barr has more than 700 employees and offices in Minneapolis, Duluth, and Hibbing, Minnesota; Ann Arbor and Grand Rapids, Michigan; Jefferson City, Missouri; Bismarck, North Dakota; Salt Lake City, Utah; and Calgary, Alberta.