French energy group TotalEnergies SE (<a href="https://live.euronext.com/en/product/equities/FR0000120271-XPAR" target="_blank">EPA:TTE</a>) and German sector player RWE AG (<a href="https://www.boerse-frankfurt.de/equity/rwe-ag-st" target="_blank">ETR:RWE</a>) have officially opened their 15-MW Vilpion wind farm in the northern French region of Hauts-de-France.