NorthWestern Energy Group (NASDAQ:NWE) reported quarterly earnings of $1.31 per share which beat the analyst consensus estimate of $1.25 by 4.8 percent. This is a 7.38 percent increase over earnings of $1.22 per share from the same period last year. The company reported quarterly sales of $497.600 million which missed the analyst consensus estimate of $502.080 million by 0.89 percent. This is a 6.64 percent increase over sales of $466.600 million the same period last year.