Tsakos Energy Navigation (NYSE:TEN) reported quarterly earnings of $2.72 per share which beat the analyst consensus estimate of $1.57 by 73.25 percent. This is a 161.54 percent increase over earnings of $1.04 per share from the same period last year. The company reported quarterly sales of $252.963 million which beat the analyst consensus estimate of $229.654 million by 10.15 percent. This is a 28.37 percent increase over sales of $197.051 million the same period last year.