Renewable power plants operator Voltalia SA (<a href="https://live.euronext.com/en/product/equities/FR0011995588-XPAR" target="_blank">EPA:VLTSA</a>) booked a EUR-29.6-million (USD 31.8m) net profit in 2023 after a loss of EUR 7.2 million in the previous year, mainly helped by increased energy sales.