NorthWestern Energy Group, Inc. Overview
Pro stress-test →NorthWestern Energy Group provides electricity and natural gas to residential, commercial, and diversified industrial customers, generating, purchasing, transmitting, and distributing electricity; and producing, purchasing, storing, transmitting, and distributing natural gas. The company provides electricity and/or natural gas to approximately 850,300 customers in Montana, South Dakota, Nebraska, and Yellowstone National Park.
Strategic Profile
Pro stress-test →The company uses thermal, wind, hydro, or renewable energy in varying quantities, depending on the location of the facilities, to generate power. The company entered into a Merger Agreement with Black Hills Corporation in August 2025 for an all-stock merger of equals, with shareholder meetings scheduled for April 2, 2026.
Competitive Landscape
Pro stress-test →NorthWestern Energy Group provides electricity and natural gas services in the Upper Midwest and Northwest of the U.S. in the states of Montana, South Dakota, Nebraska, and Yellowstone National Park. The company competes with regional utilities and independent power producers in the Northern Great Plains, with operational scale advantages in its service territory. Recent merger with Black Hills will create a larger regional powerhouse.
Industry Context
NorthWestern Energy Group, Inc. operates in Electric and Natural Gas Utility.
Key facts
Founded: 1923 · Headquarters: Sioux Falls, South Dakota · Employees: N/A · Revenue: N/A · Market cap: $4.30B