French renewable power plants operator Voltalia SA (<a href="https://live.euronext.com/en/product/equities/fr0011995588-xpar" target="_blank">EPA:VLTSA</a>) has raised EUR 4 million (USD 4.2m) from a crowdfunding campaign backing its 23.6-MW Sud Vannier wind farm in Grand-Est, in the North-East of France.