:'' This article refers to the Grande Dixence Corporation; for the dam of the same name see

Grande Dixence Dam __NOTOC__ The Grande Dixence Dam is a concrete gravity dam on the Dixence at the head of the Val d'Hérémence in the canton of Valais in Switzerland. At high, it is the tallest gravity dam in the world, sixth tallest dam overall, and the tall ...

'' Grande Dixence S.A. is a ''Société Anonyme'' operating in Switzerland which runs the

Bieudron Hydro Project The Bieudron Hydroelectric Power Station is a hydroelectric power plant located in the Swiss Alps in the Canton of Valais in Switzerland. The power plant is fed with water from the Grande Dixence Dam's reservoir, Lac des Dix and is part of the Cleu ...

and the

in the

Val d'Hérens Val d'Hérens is an alpine valley in the Valais canton of Switzerland. It was formed by the Hérens glacier, which retreated at the end of the last ice age. It is now the valley of the ''Borgne'' river, a tributary of the Rhone (confluence abov ...

Valais Valais ( , , ; frp, Valês; german: Wallis ), more formally the Canton of Valais,; german: Kanton Wallis; in other official Swiss languages outside Valais: it, (Canton) Vallese ; rm, (Chantun) Vallais. is one of the 26 cantons forming the S ...

. Grande Dixence is primarily concerned with the production of

hydroelectricity Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4500 TWh in 2020, which is more than all other renewable sources combined an ...

by harnessing the

hydropower Hydropower (from el, ὕδωρ, "water"), also known as water power, is the use of falling or fast-running water to produce electricity or to power machines. This is achieved by converting the gravitational potential or kinetic energy of a w ...

associated with the steep changes of elevation found in the part of the

Alps The Alps () ; german: Alpen ; it, Alpi ; rm, Alps ; sl, Alpe . are the highest and most extensive mountain range system that lies entirely in Europe, stretching approximately across seven Alpine countries (from west to east): France, Swi ...

Shareholders

The company has a share capital of 300 million CHF, divided between four shareholders. *''énergie ouest suisse (eos)'' 60% *''Canton of Basel-City (Industrielle Werke Basel)'' 13 % *''BKW FMB Energie S.A.'' 13 % *''Forces Motrices du Nord-Est de la Suisse S.A. (Nordostschweizerische Kraftwerke)'' 13 % {{DEFAULTSORT:Grande Dixence Sa Valais