3 main dams have been constructed both for the production of hydroelectric energy and irrigation; two in the Tucumán Province: El Cadillal and Escaba, and Los Quiroga in Santiago del Estero Province.
Tri glavne brane, izgrađene su za proizvodnju hidroenergije i navodnjavanje, dvije u provinciji Tucumán: El Cadillal i Escaba i Los Quiroga u pokrajini Santiago del Estero.