Helexia signs 15 MW of commercial contracts to supply new customers with green energy in Brazil
Helexia, a subsidiary of Voltalia (Euronext Paris, ISIN code: FR0011995588) and an
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Helexia supports Auchan Retail in the installation of photovoltaic rooftops in Hungary
Helexia, a subsidiary of Voltalia (Euronext Paris, ISIN code: FR0011995588) and an