ELSAM INTERNATIONAL A/S, Nexel A/S, Ørsted Wind Power Holding A/S, DONG ENERGY GENERATION A/S, DONG ENERGY GENERATION A/S, SYDENERGI A/S, HADERSLEV KRAFTVARMEVÆRK A/S, FJERNVARME FYN AFFALDSENERGI A/S, Maabjerg Energy Center - BioHeat&Power A/S, VEJEN KRAFTVARMEVÆRK A/S and 2 more