Basis: Trailing twelve months (TTM). Source: stored company filings and market data; unavailable inputs remain N/A.
Is the operating margin high or low?
The operating margin of 18.84% is in line with its 5-year average of 19.41%, around the middle of its 5-year range (14.41%–28.98%).
2.12% above its 12-month average of 18.45%.
Reported quarterly operating margin; no daily interpolation. Q2 FY2026 (2026-06-30): 16.36%.
OPERATING MARGIN
18.84%
OPERATING MARGIN AVG TTM
18.45%
OPERATING MARGIN AVG 3Y
20.46%
OPERATING MARGIN AVG 5Y
19.41%
OPERATING MARGIN AVG 10Y
20.23%
OPERATING MARGIN AVG 15Y
19.00%
OPERATING MARGIN AVG 20Y
17.40%
CURRENT VS TTM AVG
+2.12%
CURRENT VS 3Y AVG
-7.91%
CURRENT VS 5Y AVG
-2.96%
CURRENT VS 10Y AVG
-6.88%
CURRENT VS 15Y AVG
-0.83%
CURRENT VS 20Y AVG
+8.27%
SECTOR MEDIAN · UTILITIES
20.39%
median of 66 covered companies
CURRENT VS SECTOR MEDIAN
-7.60%
vs the sector median at left
Northwestern Energy Group Inc
Market Cap
$4.24B
Operating Margin
18.84%
TTM Avg
18.45%
3Y Avg
20.46%
5Y Avg
19.41%
Market Cap
$4.11B
Operating Margin
-35366.67%
TTM Avg
-35366.67%
3Y Avg
-35366.67%
5Y Avg
-35366.67%
Market Cap
$3.24B
Operating Margin
6.00%
TTM Avg
5.68%
3Y Avg
1.32%
5Y Avg
1.32%
Market Cap
$5.38B
Operating Margin
23.79%
TTM Avg
23.46%
3Y Avg
21.26%
5Y Avg
21.88%
Market Cap
$2.95B
Operating Margin
18.76%
TTM Avg
16.91%
3Y Avg
14.91%
5Y Avg
15.52%
Market Cap
$2.67B
Operating Margin
22.02%
TTM Avg
22.28%
3Y Avg
21.26%
5Y Avg
20.80%
Market Cap
$2.50B
Operating Margin
42.15%
TTM Avg
48.41%
3Y Avg
51.89%
5Y Avg
54.54%
Market Cap
$2.30B
Operating Margin
N/A
TTM Avg
N/A
3Y Avg
N/A
5Y Avg
N/A
| NAME | MARKET CAP | OPERATING MARGIN | TTM | 3Y | 5Y |
|---|---|---|---|---|---|
| Northwestern Energy Group Inc (NWE) | $4.24B | 18.84% | 18.45% | 20.46% | 19.41% |
| Fervo Energy Company (FRVO)vs › | $4.11B | -35366.67% | -35366.67% | -35366.67% | -35366.67% |
| SOLV Energy, Inc. Class A Common Stock (MWH)vs › | $3.24B | 6.00% | 5.68% | 1.32% | 1.32% |
| Black Hills Corporation (BKH)vs › | $5.38B | 23.79% | 23.46% | 21.26% | 21.88% |
| Avista Corporation (AVA)vs › | $2.95B | 18.76% | 16.91% | 14.91% | 15.52% |
| MGE Energy, Inc. (MGEE)vs › | $2.67B | 22.02% | 22.28% | 21.26% | 20.80% |
| ReNew Energy Global Plc (RNW)vs › | $2.50B | 42.15% | 48.41% | 51.89% | 54.54% |
| H2O America (HTO)vs › | $2.44B | 21.53% | 22.70% | 22.20% | 21.50% |
| newcleo plc Ordinary Shares (NWCL)vs › | $2.30B | N/A | N/A | N/A | N/A |
| Clearway Energy, Inc. (CWEN)vs › | $6.31B | 14.36% | 13.31% | 42.54% | 36.45% |
Gross Margin
82.3%
Operating Margin
18.8%
Operating Margin = Operating Income / Revenue
Operating margin is the percentage of revenue remaining after operating expenses, reflecting operating efficiency.
Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute
| DATE | OPERATING MARGIN |
|---|---|
| 2026-06-30 | 16.36% |
| 2026-03-31 | 22.93% |
| 2025-12-31 | 14.49% |
| 2025-09-30 | 20.75% |
| 2025-06-30 | 17.71% |
| 2025-03-31 | 26.73% |
| 2024-12-31 | 24.55% |
| 2024-09-30 | 19.68% |
| 2024-06-30 | 19.26% |
| 2024-03-31 | 21.48% |
| 2023-12-31 | 28.98% |
| 2023-09-30 | 17.33% |
| 2023-06-30 | 15.70% |
| 2023-03-31 | 21.13% |
| 2022-12-31 | 19.57% |
| 2022-09-30 | 14.41% |
| 2022-06-30 | 16.20% |
| 2022-03-31 | 20.08% |
| 2021-12-31 | 23.03% |
| 2021-09-30 | 17.08% |
| 2021-06-30 | 19.80% |
| 2021-03-31 | 20.21% |
| 2020-12-31 | 21.21% |
| 2020-09-30 | 17.70% |
| 2020-06-30 | 16.65% |
| 2020-03-31 | 22.43% |
| 2019-12-31 | 25.80% |
| 2019-09-30 | 16.87% |
| 2019-06-30 | 18.03% |
| 2019-03-31 | 25.25% |
| 2018-12-31 | 20.96% |
| 2018-09-30 | 17.08% |
| 2018-06-30 | 26.43% |
| 2018-03-31 | 24.75% |
| 2017-12-31 | 20.62% |
| 2017-09-30 | 19.86% |
| 2017-06-30 | 15.39% |
| 2017-03-31 | 23.18% |
| 2016-12-31 | 19.41% |
| 2016-09-30 | 18.64% |
| 2016-06-30 | 21.75% |
| 2016-03-31 | 18.62% |
| 2015-12-31 | 22.26% |
| 2015-09-30 | 17.77% |
| 2015-06-30 | 22.59% |
| 2015-03-31 | 24.25% |
| 2014-12-31 | 16.16% |
| 2014-09-30 | 12.30% |
| 2014-06-30 | 9.29% |
| 2014-03-31 | 19.30% |
| 2013-12-31 | 15.66% |
| 2013-09-30 | 11.97% |
| 2013-06-30 | 12.55% |
| 2013-03-31 | 18.21% |
| 2012-12-31 | 31.71% |
| 2012-09-30 | 1.87% |
| 2012-06-30 | 11.74% |
| 2012-03-31 | 17.80% |
| 2011-12-31 | 17.42% |
| 2011-09-30 | 13.06% |
| 2011-06-30 | 10.42% |
| 2011-03-31 | 17.17% |
| 2010-12-31 | 15.53% |
| 2010-09-30 | 13.74% |
| 2010-06-30 | 11.07% |
| 2010-03-31 | 17.12% |
| 2009-12-31 | 16.23% |
| 2009-09-30 | 11.58% |
| 2009-06-30 | 11.65% |
| 2009-03-31 | 13.61% |
| 2008-12-31 | 15.73% |
| 2008-09-30 | 12.97% |
| 2008-06-30 | 11.40% |
| 2008-03-31 | 13.50% |
| 2007-12-31 | 14.38% |
| 2007-09-30 | 12.50% |
| 2007-06-30 | 7.02% |
| 2007-03-31 | 12.10% |
| 2006-12-31 | 8.65% |
| 2006-09-30 | 14.27% |
| 2006-06-30 | 3.60% |
| 2006-03-31 | 11.67% |
| 2005-12-31 | 14.79% |
| 2005-09-30 | 9.31% |
| 2005-06-30 | 9.54% |
| 2005-03-31 | 14.26% |
| 2004-12-31 | 2.45% |
| 2004-09-30 | -2.07% |
| 2004-06-30 | 3.01% |
| 2004-03-31 | 9.71% |
| 2003-12-31 | 6.27% |
| 2003-09-30 | 8.85% |
| 2003-06-30 | 0.57% |
| 2003-03-31 | 6.62% |
| 2002-12-31 | -155.96% |
| 2002-09-30 | 8.94% |
