BUTTE, Mont. & SIOUX FALLS, S.D.–(BUSINESS WIRE)–NorthWestern Energy Group, Inc. d/b/a NorthWestern Energy (Nasdaq: NWE) reported financial results for the Second Quarter of 2026. Net income for the period was $25.0 million, or $0.40 per diluted share, as compared with net income of $21.2 million, or $0.35 per diluted share, for the same period in 2025. This increase was primarily due to new rates and retail volumes. These were offset in part by operating, administrative, and general costs, i