In the first earnings report since its privatization, Centrais Eletricas Brasileiras SA, as the company is formally known, posted a net income of 1.4 billion reais ($276.03 million).
Adjusted earnings before interest, taxes, depreciation and amortization (EBITDA) rose 6% to 4.861 billion reais from the previous year.
Net operating revenue reached 8.856 billion reais, up 19%.
In June, Brazil's government diluted its stake in Eletrobras, Latin America's largest utility, through a share offering that raised about $6 billion and lured global investors.
($1 = 5.0719 reais)
(Reporting by Peter Frontini)