Feb 3 (Reuters) - Brazil state-run power company Eletrobras said on Thursday its board approved a capital increase for its subsidiary Eletronorte by 1.9 billion reais ($359.58 million).

According to its securities filing, the company will increase Eletronorte's capital by issuing 13.9 million new ordinary shares, priced at 138.35 reais each share. ($1 = 5.2839 reais) (Reporting by Carolina Pulice Editing by Chris Reese)