Grande Dixence S.A. is a Société Anonyme operating in Switzerland which runs the Bieudron Hydro Project and the Grande Dixence Dam in the Val d'Hérens, Valais. Grande Dixence is primarily concerned with the production of hydroelectricity by harnessing the hydropower associated with the steep changes of elevation found in the part of the Alps.
The company has a share capital of 300 million CHF, divided between four shareholders.