Here follow some approximate EROEIs for different energy sources:

Middle East oil 30+ remember fossil fuel quality varies  
Tar sands 1.5    
  Hydro power 45    
  Coal 25 according to accessibility suspect figure
  Nuclear 5 – 20 according to assumptions suspect figure
  Wind 4 – 10    
  Solar 5    
  Corn methanol negative therefore, subsidised by the crazy US government!  
Source: energy economics and fossil fuelsó how long do we have? by abelard