* top 40 European utilities – integrated utilities (Acea, A2A, EDF, EDP, EnBW, Enel, Engie, E.ON, Fortum, Hera, Iberdrola, Naturgy, Orsted, RWE, Suez, Vattenfall, Verbund, Statkraft, Veolia, Centrica). Network utilities (Alliander, Elia, Enagas, Enexis, Eurogrid, Fingrid, Fluvius, Italgas, National Grid, Nederlandse Gasunie, Redeia, RTE, Snam, Statnett, Stedin, TenneT, Terna, Amprion, Ren, Redexis)