AES Sul Distribuidora Gaucha De Energia. The Company's principal activity is the distribution of electricity in the state of Rio Grande Do Sul. The Company is part of the AES Corporation whose activities are the production and distribution of energy to 20 countries. Supply of electric energy accounted for 28% of 2001 revenues; sale electric energy to residential sector, 25%; industrial, 25%; commercial, 11% and other, 11%.