Corps names ANDRITZ to supply electromechanical equipment for 186-MW Barkley hydropower

ANDRITZ has received a contract from the U.S. Army Corps of Engineers’ Nashville District for rehabilitation of the turbines and generators at the 186-MW Barkley hydroelectric power plant, located on the Cumberland River near town of Grand Rivers in western Kentucky.

Once fully commissioned, power generation is estimated to be about 150 GWh per year. The order value is about €65 million (US$76.8 million). Commissioning of the first unit is expected in September 2023.

The four 32.5-MW turbine-generator units at Barkley came on line in 1966. The Corps previously said that rehab work will involve replacing the Kaplan turbine runners, restacking the core, rewinding the units to 41.85 MW, and completing associated work. The benefits of this project will be an incidental increase in plant capacity and greater reliability and availability of the units.

The scope of supply includes the design, manufacture, transportation, erection, testing and commissioning of four Kaplan turbine-generator units with a capacity of 46.5 MW each, along with associated auxiliaries and ancillary equipment. The contract will be executed by ANDRITZ’s USA subsidiary in Charlotte, N.C.

Other rehab work previously completed at Barkley includes replacing the excitation and main power transformers.

ANDRITZ offers a broad portfolio of plants, equipment, systems and services for the pulp and paper industry, the hydropower sector, the metals processing and forming industry, pumps, solid/liquid separation in the municipal and industrial sectors, as well as animal feed and biomass pelleting. ANDRITZ Hydro is a supplier of electromechanical equipment and services for hydropower plants. With over 175 years of experience and an installed fleet of more than 430 GW output, the business provides complete solutions for hydropower plants of all sizes as well as services for plant diagnosis, refurbishment, modernization and upgrade of existing assets.

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