Brazil's competition regulator, CADE, has given the go-ahead to a wind energy self-production deal between local manganese alloys Nexus Manganes SA, and power utility Engie Brasil Energia SA (<a href="https://www.b3.com.br/pt_br/market-data-e-indices/servicos-de-dados/market-data/cotacoes/?symbol=EGIE3" target="_blank">BVMF:EGIE3</a>).