Hydria Participações e Investimentos SA is a holding company that invests in energy generation assets, with five wholly owned subsidiaries: Campos de Júlio Energia S.A, Parecis Energia S.A, Rondon Energia S.A, Telegráfica Energia S.A and Sapezal Energia S.A., which are respectively the owners of the following small hydro plants: Cidezal, Parecis, Rondon, Telegráfica and Sapezal. All the small hydro plants are located in the Juruena River, in the state of Mato Grosso, Brazil, a tributary by the left margin of the Teles Pires River, which forms the Tapajós River, of the Amazon River basin.