Basis: Latest reported fiscal quarter. Source: stored company filings and market data; unavailable inputs remain N/A.
Is the operating margin high or low?
The operating margin of 21.03% is in line with its 5-year average of 22.34%, around the middle of its 5-year range (14.24%–29.90%).
As of the fiscal period ended Tuesday, March 31, 2026. 7.99% below its 12-month average of 22.86%.
Reported quarterly operating margin; no daily interpolation.
OPERATING MARGIN
21.03%
OPERATING MARGIN AVG TTM
22.86%
OPERATING MARGIN AVG 3Y
21.45%
OPERATING MARGIN AVG 5Y
22.52%
OPERATING MARGIN AVG 10Y
20.95%
OPERATING MARGIN AVG 15Y
19.25%
OPERATING MARGIN AVG 20Y
18.04%
CURRENT VS TTM AVG
-7.99%
CURRENT VS 3Y AVG
-1.96%
CURRENT VS 5Y AVG
-6.60%
CURRENT VS 10Y AVG
+0.38%
CURRENT VS 15Y AVG
+9.26%
CURRENT VS 20Y AVG
+16.56%
SECTOR MEDIAN · UTILITIES
22.52%
median of 41 covered companies
CURRENT VS SECTOR MEDIAN
-6.61%
vs the sector median at left
Alliant Energy Corporation
Market Cap
$19.36B
Operating Margin
21.03%
TTM Avg
22.86%
3Y Avg
21.45%
5Y Avg
22.52%
Market Cap
$16.34B
Operating Margin
0.61%
TTM Avg
4.29%
3Y Avg
4.08%
5Y Avg
-1.76%
Market Cap
$23.08B
Operating Margin
19.53%
TTM Avg
20.00%
3Y Avg
17.70%
5Y Avg
17.60%
Market Cap
$12.85B
Operating Margin
27.54%
TTM Avg
20.34%
3Y Avg
18.79%
5Y Avg
19.72%
Market Cap
$26.30B
Operating Margin
36.48%
TTM Avg
36.62%
3Y Avg
35.58%
5Y Avg
34.30%
Market Cap
$27.25B
Operating Margin
23.50%
TTM Avg
22.05%
3Y Avg
20.28%
5Y Avg
22.45%
Market Cap
$10.58B
Operating Margin
16.47%
TTM Avg
16.31%
3Y Avg
17.25%
5Y Avg
19.67%
| NAME | MARKET CAP | OPERATING MARGIN | TTM | 3Y | 5Y |
|---|---|---|---|---|---|
| Alliant Energy Corporation (LNT) | $19.36B | 21.03% | 22.86% | 21.45% | 22.52% |
| Evergy, Inc. (EVRG)vs › | $20.10B | 25.42% | 25.00% | 23.80% | 23.80% |
| Talen Energy Corporation (TLN)vs › | $16.34B | 0.61% | 4.29% | 4.08% | -1.76% |
| NiSource Inc (NI)vs › | $22.38B | 27.78% | 27.16% | 24.87% | 21.96% |
| CMS Energy Corporation (CMS)vs › | $23.08B | 19.53% | 20.00% | 17.70% | 17.60% |
| Pinnacle West Capital Corporation (PNW)vs › | $12.85B | 27.54% | 20.34% | 18.79% | 19.72% |
| American Water Works Company, Inc. (AWK)vs › | $26.30B | 36.48% | 36.62% | 35.58% | 34.30% |
| PPL Corporation (PPL)vs › | $27.25B | 23.50% | 22.05% | 20.28% | 22.45% |
| The AES Corporation (AES)vs › | $10.58B | 16.47% | 16.31% | 17.25% | 19.67% |
| Eversource Energy (ES)vs › | $28.17B | 22.52% | 22.40% | 20.71% | 20.89% |
Gross Margin
38.0%
Operating Margin
21.0%
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 |
|---|---|
| 2026-03-31 | 21.03% |
| 2025-12-31 | 18.42% |
| 2025-09-30 | 28.84% |
| 2025-06-30 | 23.20% |
| 2025-03-31 | 22.78% |
| 2024-12-31 | 22.64% |
| 2024-09-30 | 28.95% |
| 2024-06-30 | 14.54% |
| 2024-03-31 | 21.53% |
| 2023-12-31 | 19.04% |
| 2023-09-30 | 29.90% |
| 2023-06-30 | 23.79% |
| 2023-03-31 | 20.61% |
| 2022-12-31 | 15.03% |
| 2022-09-30 | 27.22% |
| 2022-06-30 | 22.48% |
| 2022-03-31 | 23.22% |
| 2021-12-31 | 14.24% |
| 2021-09-30 | 28.22% |
| 2021-06-30 | 21.54% |
| 2021-03-31 | 21.98% |
| 2020-12-31 | 13.71% |
| 2020-09-30 | 29.57% |
| 2020-06-30 | 22.02% |
| 2020-03-31 | 20.52% |
| 2019-12-31 | 18.28% |
| 2019-09-30 | 29.31% |
| 2019-06-30 | 18.96% |
| 2019-03-31 | 17.91% |
| 2018-12-31 | 13.90% |
| 2018-09-30 | 27.58% |
| 2018-06-30 | 18.53% |
| 2018-03-31 | 18.08% |
| 2017-12-31 | 15.15% |
| 2017-09-30 | 25.53% |
| 2017-06-30 | 19.51% |
| 2017-03-31 | 16.73% |
| 2016-12-31 | 12.53% |
| 2016-09-30 | 17.59% |
| 2016-06-30 | 17.04% |
| 2016-03-31 | 17.29% |
| 2015-12-31 | 10.70% |
| 2015-09-30 | 26.24% |
| 2015-06-30 | 15.20% |
| 2015-03-31 | 17.04% |
| 2014-12-31 | 11.35% |
| 2014-09-30 | 23.11% |
| 2014-06-30 | 13.77% |
| 2014-03-31 | 16.18% |
| 2013-12-31 | 13.04% |
| 2013-09-30 | 23.24% |
| 2013-06-30 | 14.37% |
| 2013-03-31 | 14.04% |
| 2012-12-31 | 13.53% |
| 2012-09-30 | 24.08% |
| 2012-06-30 | 15.76% |
| 2012-03-31 | 12.49% |
| 2011-12-31 | 10.63% |
| 2011-09-30 | 18.12% |
| 2011-06-30 | 8.79% |
| 2011-03-31 | 13.52% |
| 2010-12-31 | 11.99% |
| 2010-09-30 | 25.91% |
| 2010-06-30 | 13.58% |
| 2010-03-31 | 12.23% |
| 2009-12-31 | 11.79% |
| 2009-09-30 | 18.03% |
| 2009-06-30 | 8.42% |
| 2009-03-31 | 7.76% |
| 2008-12-31 | 10.32% |
| 2008-09-30 | 19.43% |
| 2008-06-30 | 9.91% |
| 2008-03-31 | 12.61% |
| 2007-12-31 | 39.21% |
| 2007-09-30 | 22.44% |
| 2007-06-30 | 13.00% |
| 2007-03-31 | 13.24% |
| 2006-12-31 | 12.52% |
| 2006-09-30 | 19.15% |
| 2006-06-30 | 14.05% |
| 2006-03-31 | 12.87% |
| 2005-12-31 | -5.19% |
| 2005-09-30 | 14.91% |
| 2005-06-30 | -1.86% |
| 2005-03-31 | 8.94% |
| 2004-12-31 | 12.06% |
| 2004-09-30 | 23.66% |
| 2004-06-30 | 13.79% |
| 2004-03-31 | 8.90% |
| 2003-12-31 | 10.87% |
| 2003-09-30 | 22.09% |
| 2003-06-30 | 9.01% |
| 2003-03-31 | 8.59% |
| 2002-12-31 | 7.51% |
| 2002-09-30 | 17.39% |
| 2002-06-30 | 10.37% |
