Long Spruce Generating Station

Photo of Long Spruce Generating Station

Long Spruce was our fourth generating station to be built on the Nelson River, which flows in northern Manitoba from Lake Winnipeg to Hudson Bay. The station is situated on a stretch of the Nelson known as the Long Spruce Rapids. The site is approximately 745 km northeast of Winnipeg, 27 km east of Gillam and 16 km downstream of the Kettle Generating Station.


  • Located on Nelson River;
  • Completed 1979;
  • Cost $508 million;
  • Capacity 980 MW;
  • 10 generating units;
  • Transmission:
    • 230-kV AC to Radisson Converter Station;
    • 230-kV AC to Henday Converter Station;
    • ±450-kV DC to Dorsey Converter Station.
  • 30 intake gates each measuring 6.34 metres by 14.76 metres;
  • Powerhouse 300 metres long, 50 metres wide;
  • Unit spacing 26.5 metres;
  • 6 spillway gates, each measuring 14.13 metres by 16.93 metres.