NRG Energy (NYSE:NRG) reported quarterly earnings of $2.68 per share which beat the analyst consensus estimate of $1.49 by 79.87 percent. This is a 16.02 percent increase over earnings of $2.31 per share from the same period last year. The company reported quarterly sales of $8.59 billion which beat the analyst consensus estimate of $7.83 billion by 9.69 percent. This is a 15.56 percent increase over sales of $7.43 billion the same period last year.