The Hydroelectric Power Plant Černé jezero (Black Lake)
The original pumped storage power plant on Černé jezero is yet another example of the skill of Czech engineers and. In the 1920s, the largest lake in the Czech Republic, Černá jezero in Bohemian Forest, inspired the chief engineer of the Provincial Office in Prague to build the first pumped storage hydroelectric power plant in what was then Czechoslovakia. The investor was Západočeské elektrárny (West Bohemian Power Plants), the designer and technology supplier was ŠKODA Pilsen. The construction of the demanding work in difficult natural conditions took only twenty months and the building costs reached CZK 10 million. The power plant was put into operation on 6 December, 1930.