NorthWestern Energy Group (NASDAQ: NWE) reported quarterly earnings of $0.50 per share which beat the analyst consensus estimate of $0.44 by 13.64 percent. This is a 25 percent increase over earnings of $0.40 per share from the same period last year. The company reported quarterly sales of $392.600 million which beat the analyst consensus estimate of $380.599 million by 3.15 percent. This is a 14.56 percent increase over sales of $342.700 million the same period last year.