Watch 123Movies. East of Toronto on the shore of Lake Ontario, is the Pickering Generating Station, one of the world's largest nuclear power stations. Here it is used to explain how a nuclear power station works, showing the fuel bundles, calandria, fuelling machines, boilers, control room, turbine-generator and spent fuel bay. Part of the multimedia kit The Energy Crisis?. Produced by the NFB for Energy, Mines and Resources Canada.