Otter Rapids Generating Station

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Otter Rapids Generating Station
Otter Rapids Dam.JPG
Otter Rapids Dam and Generating Station as seen from the Ontario Northland Railway
Otter Rapids Generating Station is located in Ontario
Otter Rapids Generating Station
Location of Otter Rapids Generating Station in Ontario
Country Canada
Location Cochrane District, Ontario
Coordinates 50°11′01″N 81°38′10″W / 50.18361°N 81.63611°W / 50.18361; -81.63611Coordinates: 50°11′01″N 81°38′10″W / 50.18361°N 81.63611°W / 50.18361; -81.63611
Status Operational
Opening date September 26, 1961 (1961-09-26)
Owner(s) Ontario Power Generation
Dam and spillways
Type of dam Embankment dam
Spillways 1
Spillway type Controlled chute
Power station
Turbines 4 x 46 MVA, 60 Hz, 138.4 RPM[1]
Installed capacity 182 MW

Otter Rapids Generating Station is a dam and hydroelectric power plant located in Pitt Township[2] in the Unorganized North Part of Cochrane District in Northeastern Ontario, Canada.[3] Owned by Ontario Power Generation, this 4-unit, 182 MW station is part of the Northeast Plant Group.[4] The Ontario Northland Railway runs past this facility.[5]

Preliminary surveys of the site were conducted in 1945. In 1951 additional site information was gathered with studies and estimates refined. Approval under the Navigable Waters Protection Act was received in October 1958 and the first generating unit came online on September 26, 1961.[4]

The Otter Rapids Generating Station was the last of four generating stations completed on the Abitibi River in the James Bay watershed.

A community of employees and their families inhabited the adjacent colony called Otter Rapids. This community of over 1,000 people was well equipped with a bank, post office, snack bar, grocery store, billiard hall, bowling alley, curling rink, hockey rink, fire hall, 10-bed hospital and auditorium.[4]

See also[edit]


  1. ^ Bomben, Stefano G; Pratt, Brian I (2001-05-02). "Pre-Outage Installation Of The Air Gap Monitoring System Reduces Outage Time And Saves Money" (PDF). User Conference on Machine Condition Monitoring – Orlando, Florida, USA – May 1–2, 2001. Archived from the original (PDF) on 2006-05-26. Retrieved 2011-10-14. 
  2. ^ "Pitt" (PDF). Geology Ontario - Historic Claim Maps. Ontario Ministry of Northern Development, Mines and Forestry. Retrieved 2011-10-14. 
  3. ^ "Otter Rapids". Geographical Names Data Base. Natural Resources Canada. Retrieved 2011-10-14. 
  4. ^ a b c "Otter Rapids Generating Station". Toronto. Archived from the original on 13 November 2014. Retrieved 11 February 2015. 
  5. ^ Martin, Douglas (1984-06-03). "Polar Bear Express". The New York Times. Retrieved 2010-07-30. 

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