Brazilian utility company Neoenergia SA (<a href="https://www.b3.com.br/pt_br/market-data-e-indices/servicos-de-dados/market-data/cotacoes/?symbol=NEOE3" target="_blank">BVMF:NEOE3</a>) announced on Thursday it has launched an offer to acquire the remaining 6.89% of the capital of its subsidiary Neoenergia Cosern, which it does not already own.