First turbine for Jocassee pumped-storage hydro plant upgrade arrives in South Carolina

The first of two new turbines for Duke Energy’s Jocassee pumped-storage hydro station has arrived in the Salem, S.C., area, with the second expected to arrive in early September, local media reported.

Duke Energy’s Jocassee hydropower plant, located near Salem, will receive new turbines for units 1 and 2 this fall, upgrading the hydro station and increasing capacity by 50 megawatts. The turbines are being manufactured by Voith Hydro in York, Pa.

Each hydropower turbine is about 23 feet in diameter, weighing nearly 150 tons. The turbines are being transported via interstate highways on 20-axle, dual-lane trailers about 250 feet long.

These turbines will be the first upgrades to Jocassee units 1 and 2 since they began commercial operation in 1973. Replacing the turbines will enhance hydro generation from the current maximum capability of 170 megawatts to 195 megawatts each. Each also will increase pumping capacity by 37 megawatts. Units 3 and 4 were upgraded in 2006 and 2007.

In other news, provincial utility B.C. Hydro has awarded a contract to Voith Hydro in Montreal for the complete overhaul of five Francis turbine units for the Gordon M. Shrum hydropower plant, located near Hudson’s Hope, B.C., Voith Hydro reported.

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