Enviva; Pinnacle Renewable?Energy?Group; Pacific BioEnergy Corporation; Acciona Sa; Dong Energy A/S; Acciona Sa; Ameresco Inc.; E.On Se; Graanul Invest Group; RWE Innogy; Lignetics; Orsted A/S; Oulun Energia Oy; NTPC; Skive Fiernvarme; Babcock & Wilcox Enterprises Inc