eu energy supplies integrating climate change policies and renewable standards with the goal of a secure future european parliament brussels october 18 2005 karel lukas director cez representation office 1 group belongs to top 500 biggest global companies 10 power utilities market capitalization usd billion number customers million 3 4 9 0 11 dec 2003 2004 feb ranks as 446th company eur 2 7 6 8 5 46 29 26 21 16 vattenfall10 edf1 enel2 e on3 rwe4 iberdrola5 endesa6 ppc7 enbw9 group8 36 37 source forbes ez czech republic bulgaria romania temelin operates balanced cost competitive generation fleet 12 gw capacity mw 760 601 869 916 146 hydro river accumulation pump storage lignite off basins hard coal at nuclear peak flexible mid merit