energ�a hidr�ulica
hydropower
energ�a solar
solar energy
energ�a at�mica
atomic energy
energ�a e�lica
wind energy
energ�a nuclear
nuclear energy
energ�a geot�rmica
geothermal energy
energ�a cin�tica
kinetic energy
energ�a mec�nica
mechanical energy
energ�a mareomotriz
mareomotriz energy
energ�a cal�rica
heat energy