The Cat Arm Generating Station is located on the Great Northern Peninsula of

Newfoundland Newfoundland and Labrador (; french: Terre-Neuve-et-Labrador; frequently abbreviated as NL) is the easternmost province of Canada, in the country's Atlantic region. The province comprises the island of Newfoundland and the continental region ...

and makes use of 380.5 m of head between the

reservoir A reservoir (; from French ''réservoir'' ) is an enlarged lake behind a dam. Such a dam may be either artificial, built to store fresh water or it may be a natural formation. Reservoirs can be created in a number of ways, including contro ...

and White Bay. Each of the two units operates with an average rated flow of 20 m3/s to generate a total 127 MW of electrical power with an average annual production of 733 GWh. The two 63.5 MW units, equipped with pelton turbines, were first synchronized on February 10 and 12, 1985. The watershed of the

Cat Arm River The cat (''Felis catus'') is a domestic species of small carnivorous mammal. It is the only domesticated species in the family Felidae and is commonly referred to as the domestic cat or house cat to distinguish it from the wild members o ...

was located on a plateau with an average elevation of approximately 518 m on the raised uplands of the Long Range Mountains. The project involved the creation of a reservoir with a surface area of approximately 53 square kilometres by the erection of one main dam and seven smaller dams.

References

Dams in Newfoundland and Labrador Hydroelectric power stations in Newfoundland and Labrador Newfoundland and Labrador Hydro Dams completed in 1985 {{Canada-powerstation-stub