Note, the following are excluded as they were "deemed too small, with inadequate available data": Andorra la Vella, Monaco, Vaduz, San Marino and the Vatican City
Yeah, Iceland gets basically all of its electricity from hydroelectric and geothermal. I feel like that alone should allow them to make this list. I would like to know what methodology was used for the ranking, but unfortunately I'm unable to access the link given for the source.