NorthWestern Corporation announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was USD 400.803 million compared to USD 335.255 million a year ago. Operating income was USD 80.985 million compared to USD 75.214 million a year ago. Net income was USD 63.071 million compared to USD 50.704 million a year ago. Basic earnings per share from continuing operations was USD 1.25 compared to USD 1 a year ago. Diluted earnings per share from continuing operations was USD 1.24 compared to USD 1 a year ago.