Avista (NYSE:AVA) reported quarterly earnings of $0.17 per share which missed the analyst consensus estimate of $0.34 by 50 percent. This is a 41.38 percent decrease over earnings of $0.29 per share from the same period last year. The company reported quarterly sales of $411.00 million which missed the analyst consensus estimate of $413.50 million by 0.60 percent. This is a 5.17 percent increase over sales of $390.81 million the same period last year.