Newfoundland and Labrador Hydro - Operations - Hydroelectric Generating Stations - Cat Arm Hydroelectric Generating Station
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Cat Arm Hydroelectric Generating Station

Facility head: 385.5 metres
Year of service: 1985

Plant capacity: 127 megawatts (MW)

Annual energy: 680 gigawatt hours (GWh)

The Cat Arm Generating Station is located on the
Northern Peninsula and makes use of 380.5 m of head between the reservoir and White Bay. Each of the two units operates with a rated flow of 20 m3/s to generate a total 127 MW of electrical power with an average annual production of 680 GWh. The two 63.5 MW units, equipped with Pelton turbines, were first synchronized in 1985.

 
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