Brazilian steel producer Gerdau SA (<a href="https://sistemaswebb3-listados.b3.com.br/listedCompaniesPage/main/3980/GGBR/overview?language=pt-br" target="_blank">BVMF:GGBR4)</a> has agreed to acquire 58 MW of small hydropower plants from local renewable energy company Atiaia Energia.