NorthWestern Energy Group, Inc. revenue for the last year amounted to 1.42 B USD, the most of which — 1.07 B USD — came from its highest performing source at the moment, Electric, the year earlier bringing 1.11 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought NorthWestern Energy Group, Inc. 1.42 B USD, and the year before that — 1.48 B USD.