Ameren (NYSE:AEE) reported quarterly earnings of $1.01 per share which missed the analyst consensus estimate of $1.07 by 5.96 percent. This is a 4.12 percent increase over earnings of $0.97 per share from the same period last year. The company reported quarterly sales of $2.221 billion which beat the analyst consensus estimate of $1.865 billion by 19.12 percent. This is a 31.19 percent increase over sales of $1.693 billion the same period last year.