A hydroelectric generating station is a plant that produces electricity by using water to propel the turbines, which, in turn, drive the generators.
These power stations generate about a quarter of all the electricity used in the world. With 59 hydropower stations and access to vast water reserves, Hydro-Québec uses water to generate almost all of its energy output—98% in 2008. In this way, the company helps reduce greenhouse gas emissions.
A power station supplied by the water that accumulates in an artificial lake created by building a dam (retaining structure).
A head that's higher than the Eiffel Tower!
Sainte-Marguerite-3 generating station has a 330-metre head of water. That's 6 metres higher than the Eiffel Tower, antenna included.
A power station fed directly by a river. It has little or no water storage capacity. Its head is usually not very high, so its generating output will depend on the flow of the river.
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