Using the latest TTM figures, NorthWestern Energy Group shows a gross margin of 73.8%, an operating margin of 18.1%, an EBITDA margin of 34.1%, and a net margin of 9.5%. EBITDA margin had the largest decline, falling by 5.1 percentage points, while the other available margins also weakened.
Looking back over the last 3 years, NorthWestern Energy Group recorded average margins of 72.74% gross, 21.06% operating, 37.36% EBITDA, and 13.06% net. NorthWestern Energy Group's current metrics show that gross margin is above its three-year average and operating, EBITDA, and net margins are below their three-year averages.
All available margins decreased year over year, led by EBITDA margin with a decline of 5.1 percentage points.
NorthWestern Energy Group recorded an average gross margin of 72.74% across the last 3 years. NorthWestern Energy Group currently reports a gross margin of 73.8%, 1.1 percentage points above its three-year average. During this period, gross margin reached a high of 74.8% in Sep 2025 and a low of 70.2% in Mar 2024.
NorthWestern Energy Group's operating margin averaged 21.06% over the last 3 years. Compared with its three-year average, NorthWestern Energy Group's current operating margin is 18.1% and is 3 percentage points below its three-year average. Over the last 3 years, NorthWestern Energy Group's operating margin peaked at 23% in Mar 2025 and reached a low of 18.1% in Sep 2026.
The average EBITDA margin for NorthWestern Energy Group was 37.36% during the last 3 years. At present, the current EBITDA margin for NorthWestern Energy Group is 34.1%, 3.3 percentage points below its three-year average. The EBITDA margin for NorthWestern Energy Group moved between 34.1% in Sep 2026 and 40% in Mar 2025.
NorthWestern Energy Group's net margin averaged 13.06% over the last 3 years. Compared with its three-year average, NorthWestern Energy Group's current net margin is 9.5% and is 3.6 percentage points below its three-year average. Over the last 3 years, NorthWestern Energy Group's net margin peaked at 15.7% in Mar 2025 and reached a low of 9.5% in Sep 2026.
With a gross margin of 73.8%, NWE is above the Utilities sector, the industry and its peers average. Compared to its Utilities sector average of 42.7%, NorthWestern Energy Group's gross margin is 73% higher.
As of Sep 30, 2026, NWE has a gross margin of 73.8%.
The current operating margin for NWE is 18.1% as of Sep 30, 2026.
As of Sep 30, 2026, NWE has an EBITDA margin of 34.1%.
The current net margin for NWE is 9.5% as of Sep 30, 2026.
Across the last 3 years, NWE averaged 72.7% gross, 21.1% operating, 37.4% EBITDA, and 13.1% net.
Across the 5-year period, NWE posted its highest margins at 74.8% gross in Sep 2025, 23% operating in Mar 2025, 40% EBITDA in Mar 2025, and 15.7% net in Mar 2025.
Across the 5-year period, NWE posted its lowest margins at 66% gross in Mar 2023, 17.8% operating in Dec 2022, 32.3% EBITDA in Dec 2022, and 9.5% net in Sep 2026.