NorthWestern Energy Group Inc, doing business as NorthWestern Energy, provides electricity and natural gas to residential, commercial, and industrial customers in Montana, South Dakota, and Nebraska, the United States. The company operates through Electric Operations and ...
NorthWestern Energy Group Inc, doing business as NorthWestern Energy, provides electricity and natural gas to residential, commercial, and industrial customers in Montana, South Dakota, and Nebraska, the United States. The company operates through Electric Operations and Natural Gas Operations segments. It generates, transmits, and distributes electricity, as well as purchases, transports, distributes, and stores natural gas. As of February 19, 2014, the company served approximately 678,200 customers. NorthWestern Corporation was founded in 1923 and is headquartered in Sioux Falls, South Dakota.