NorthWestern Energy

NorthWestern Energy, an investor-owned ''mid-sized'' public utility, serves approximately 734,800 electric and natural gas customers in Montana, South Dakota and Nebraska, has one of the largest geographic US service territories, and is one of the largest providers of electricity and natural gas in the northwest quadrant of the US. Since reducing the carbon intensity of our energy generation in Montana by more than 50% over the past decade, NorthWestern Energy serves Montana with an electric portfolio that is 58% carbon free.