NRG Energy (NYSE:NRG) reported quarterly earnings of $1.48 per share which missed the analyst consensus estimate of $1.77 by 16.38 percent. This is a 43.51 percent decrease over earnings of $2.62 per share from the same period last year. The company reported quarterly sales of $10.256 billion which beat the analyst consensus estimate of $8.499 billion by 20.67 percent. This is a 19.46 percent increase over sales of $8.585 billion the same period last year.