In Haute Maurienne, dams are essential elements of the landscape. Did you know that these giants produce a large part of the electricity of Auvergne Rhône Alpes, which with 27,381 GWH annually is the leading region in France in terms of production? At the national level, hydroelectricity represents 11% of total production, which makes it the 2nd source and the 1st source from renewable energies.