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Limestone Generating Station

Limestone Generating Station
  • Located on Nelson River;
  • Construction started 1985;
  • Construction completed 1990;
  • Cost $1.43 billion;
  • Capacity 1,340 MW;
  • Powerhouse:
    • Length: 299 m;
    • Width 56.5 m.
  • Unit spacing 26.5 m;
  • Ten turbine generators (units);
  • First unit in service September 1990;
  • All 10 units in service September 1992;
  • Transmission lines:
    • 230-kV AC to the Henday Converter Station;
    • 500-kV DC to Winnipeg.
  • Thirty intake gates, each measuring 5.5 m by 14 m;
  • Seven spillway gates, each measuring 13 m by 16 m;
  • Total dam and dyke volume 2,900,000 m3.

Limestone is Manitoba Hydro's fifth generating station built on the Nelson River in northern Manitoba. It is also the largest in the province. Limestone is located 750 kilometres (km) north of the City of Winnipeg and 260 km south of the northern town of Churchill. On the lower arm of the Nelson River, it is 23 km downstream from the Long Spruce Generating Station, which in turn is 18 km downstream from the Kettle Generating Station.

Thumbnail and link to Nelson River Generating Stations: Limestone video

Nelson River Generating Stations: Limestone

Running time (2:13)

Watch a short video on the history and development of this generating station.

Play video: Nelson River Generating Stations: Limestone.


More information on the Limestone Generating Station.