1.Sales and profit
See section β- NorthWestern Energy had $1.6B of revenue in fiscal 2025, up 6.4% on the year before. Over five years, revenue changed +6.1% a year on average.
- Its operating margin was 20.2%, down 1.1Β pts: of every 100 in sales, about 20 is left after running the business.
- NorthWestern Energy made $181M of net profit in fiscal 2025. From fiscal 2016 to 2025, diluted EPS grew β1.6% a year.




