Brazilian renewables developer Renova Energia SA (BVMF:RNEW11) has signed a new BRL-20-million (USD 4.7m/EUR 4.3m)Â debtor-in-possession (DIP) loan with its parent company Companhia Energetica de Minas Gerais (BVMF:CMIG4), also known as Cemig.