CMS Energy (NYSE:CMS) reported quarterly earnings of $0.37 per share which beat the analyst consensus estimate of $0.36 by 2.78 percent. This is a 47.89 percent decrease over earnings of $0.71 per share from the same period last year. The company reported quarterly sales of $1.829 billion which missed the analyst consensus estimate of $1.908 billion by 4.12 percent. This is a 0.49 percent decrease over sales of $1.838 billion the same period last year.