 Bulgaria 's strategic geographic location and well @-@ developed energy sector make it a key European energy centre despite its lack of significant fossil fuel deposits . Nearly 34 percent of its electricity is produced by the nuclear power station at <unk> and public opinion strongly supports nuclear energy development . The rapid expansion of alternative energy sources such as wind and solar power stations make Bulgaria one of the fastest @-@ growing wind energy producers in the world . The country aims to produce 16 percent of its electricity from renewable energy sources by 2020 . 
