Mauvoisin Dam in Switzerland gives power to 300,000 houses | See how it's done

Updated: Aug 10, 2020


General Info 📚


  • Construction Dates: 1951 - 1957

  • Type of dam: Concrete variable radius arch dam

  • Height: 250 m (820 ft)

  • Length: 520 m (1,710 ft)

  • Total capacity: 211,500,000 m3(171,500 acre⋅ft)

  • Catchment area: 167 km2 (64 sq mi)

  • Surface area: 208 ha (510 acres)

  • The power produced: 363 MW which can power approximately 300,000 homes 💡

  • The dam is the 11th highest in the world and the 6th highest arch dam


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About the Reservoir - Lac de Mauvoisin


The reservoir is formed by the Mauvoisin Dam, which is 250 m high.

  • Max. length : 4.9 km (3.0 mi)

  • Surface area : 2.08 km2 (0.80 sq mi)

  • Maximum depth: 180 m (590 ft)

  • Surface elevation: 1,961 m (6,434 ft)


Lac de Mauvoisin in the canton of Valais, Switzerland. The reservoir lies in the upper Val de Bagnes, between the massif of the Grand Combin, one of the highest mountains of the Alps, and La Ruinette. The highest peak visible from the lake is the Combin de la Tsessette (4,135 m).


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