Émosson Dam

Émosson Dam
The dam in 2011
The location of the Émosson Dam in Switzerland
Official nameBarrage d'Émosson
CountrySwitzerland
LocationFinhaut, Valais
Coordinates46°04′03″N 6°55′56″E / 46.06751°N 6.93220°E / 46.06751; 6.93220
PurposeHydroelectric Power
StatusOperational
Construction began1967
Opening date1972
Dam and spillways
Type of damArch dam
ImpoundsBarberine
Height (foundation)180 m (590 ft)
Length560 m (1,840 ft)
Width (base)45 m (148 ft)
Reservoir
CreatesLac d'Émosson
Total capacity227,000,000 m3 (8.0×109 cu ft)
Surface area327 ha (810 acres)
Normal elevation1,931 m (6,335 ft)
Power Station
TurbinesVallorcine: 2 x Pelton-type
La Bâtiaz: 162 3 x Pelton-type, 1 x Francis-type
Installed capacityVallorcine: 189 MW
La Bâtiaz: 162
Total: 351 MW
Annual generation870 GWh

The Émosson Dam (French: Barrage d'Émosson) is a hydroelectric dam development located in Switzerland in the canton of Valais.