Hi Contest Holder , Thank you very much for the rank of my entries,. Here is my new concept #51 , actually its a revision from my earlier entries. , please let me explain to you my concept . In this logo concept you can see the 4 kinds of environmental friendly energy or electricity source .: the solar energy , as you can see the logo looks like a sun with rays of leaves means environmental friendly, second energy from wind with the use of propeller , energy from water as you can see the water there, and the last one energy from geothermal, as you can see the globe. i hope you like it