Tekniska Museet
100 Innovations - Tekniska museet

An exhibition at the National Museum of Science and Technology in Stockholm, 2012 – 2018

Hydro power

Hydro power

Ingress för att beskriva innovationen

Hydro power

Wireworks by the Götarp river in Gnosjö in Småland, Sweden. Water wheels were still in use there in the 1920s. Photo: K. Björlingson.

Hydro power station

Hellsjö hydroelectric power plant in 1894. Photo: Albin Andersson.

Kort fakta om innovationen

Kort fakta (2) om innovationen

Rubrik för små genier

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Hydro power

Water that moves from one level to another can make a wheel spin. The waterwheel was by far our most important source of power for a long time — otherwise it was our own muscle power. It was used for example in mills, sawmills, mines and blast furnaces.

At the end of the 1800s, the water turbine began to be used to produce electricity for industries and dwellings. The water turbine reminds us very much of the waterwheel but is made of steel and spins faster. It drives a generator, which in turn produces electric energy. About half of all electrical power that is produced in Sweden comes from hydro power. In future researchers hope to also be able to use wave power and tidal hydro power.

Rubrik för nördar

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