Grande Dixence 2365m
The most powerful hydroelectric complexin Switzerland
Grande Dixence SA and its facilities:
The Grande Dixence complex (1951-1965) with a dam in the Val des Dix of a total storage capacity of 400 million m3 , submerging the original Dixence dam. A capacity of 50 million m3 belongs to Alpiq to store the waters granted to the company. The facility includes 2 production plants with a total power output of 680 MW and 4 pumping stations.
Alpiq and its facilities:
The first Dixence (1930-1935), a dam in the Val des Dix with a storage capacity of 50 million m3 the waters of which were turbined at the Chandoline power plant (150 MW). Cleuson (1947-1951), a dam built in addition to the previous facility, with a storage capacity of 20 million m3 , the waters of which are pumped to the Lac des Dix.
Complementary Cleuson-Dixence complex constructed by Grande Dixence SA and Alpiq:
With a view to increasing the power of their facilities, the companies Grande Dixence and Alpiq joined forces to build the Cleuson-Dixence complex (1993-1998) which includes a new plant, the Bieudron power plant (1200 MW).