Company / Operating Margin
NorthWestern Corporation Operating Margin History
FY2021-FY2025 · Annual data · Source: SEC filings
At a glance
Latest annual filing availableLatest Operating Margin
20.2%
FY2025
5-year range
17.8% / 21.4%
FY2021-FY2025
Trend
-5.3%
vs FY2024
Sector context
#38 of 61
Utilities
What the data says
At 20.2%, NorthWestern Corporation's operating margin ranks #38 of 61 in the Utilities sector. Declined from 21.1% to 20.2% over the past 2 years.
Based on SEC 10-K filings.
20.2% in FY2025 with a 3-year CAGR of +2.4%.
Declined from 21.1% to 20.2% over the past 2 years.
Utilities sector context is included.
Operating Margin over time
Growth rates
- 3-Year Change
- +2.4pp
- 5-Year Change
- -
- 10-Year Change
- -
Sector benchmark
#38 of 61 in UtilitiesTop 62% of 61This company 20.2% Sector average 21.7%
▼
-6.6% below sector average
Key checks
Key Insights
- In FY2025, operating margin decreased 5.3% year-over-year.
- Currently 1.4pp below the Utilities sector average.
- Peak operating margin was recorded in FY2024.
- Lowest operating margin in the period was in FY2022.
Company context
Key Data Points
- Altman Z-Score 0.60 (distress zone, below 1.8 threshold)
Data sourced from SEC EDGAR filings. Not investment advice.
Annual data
| Year | Operating MarginValue | YoY GrowthYoY |
|---|---|---|
| FY2025 | 20.2% | -5.3% |
| FY2024 | 21.4% | +1.1% |
| FY2023 | 21.1% | +18.7% |
| FY2022 | 17.8% | -11.4% |
| FY2021 | 20.1% | - |
As of FY2025 · SEC 10-K · Updated Feb 28, 2026