Ameren (NYSE:AEE) reported quarterly earnings of $1.28 per share which beat the analyst consensus estimate of $1.18 by 8.47 percent. This is a 19.63 percent increase over earnings of $1.07 per share from the same period last year. The company reported quarterly sales of $2.176 billion which missed the analyst consensus estimate of $2.257 billion by 3.60 percent. This is a 3.77 percent increase over sales of $2.097 billion the same period last year.