🛠️ Invention or technique

Poul la Cour's Askov wind turbine

Aerogenerador de Poul la Cour en Askov

Date
1891 · confidence high
Place
Askov, Vejen, Denmark
Credited to
Poul la Cour
Field
Matter & energy

⚠️ Disputed: the sources disagree.

What it is

La Cour built an experimental wind turbine at the Askov folk high school in 1891 that produced electricity, and in 1897 one of the first wind tunnels for studying blades. He stored the energy as hydrogen by electrolysis to light the school.

It was not the first wind turbine: James Blyth (Scotland, July 1887) and Charles Brush (USA, 1887-1888) had generated electricity from wind. La Cour contributed the experimental method and the application network.

What it led to

  • about 120 Danish rural wind plants around 1918
  • aerodynamic studies of fast blades with few blades
  • the Danish wind tradition (Gedser, Vestas)
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Sources✓ verified 2026-11-04