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 40.00% is 15% above its 5-year average of 34.80%, near the high end of its 5-year range (23.13%–42.32%).
As of the fiscal period ended Tuesday, June 30, 2026. 8.17% above its 12-month average of 36.98%.
Reported quarterly operating margin; no daily interpolation.
OPERATING MARGIN
40.00%
OPERATING MARGIN AVG TTM
36.98%
OPERATING MARGIN AVG 3Y
36.34%
OPERATING MARGIN AVG 5Y
34.80%
OPERATING MARGIN AVG 10Y
33.93%
OPERATING MARGIN AVG 15Y
33.37%
OPERATING MARGIN AVG 20Y
32.30%
CURRENT VS TTM AVG
+8.17%
CURRENT VS 3Y AVG
+10.08%
CURRENT VS 5Y AVG
+14.93%
CURRENT VS 10Y AVG
+17.89%
CURRENT VS 15Y AVG
+19.86%
CURRENT VS 20Y AVG
+23.85%
SECTOR MEDIAN · UTILITIES
22.55%
median of 42 covered companies
CURRENT VS SECTOR MEDIAN
+77.42%
vs the sector median at left
American Water Works Company, Inc.
Market Cap
$26.97B
Operating Margin
40.00%
TTM Avg
36.98%
3Y Avg
36.34%
5Y Avg
34.80%
Market Cap
$26.86B
Operating Margin
23.50%
TTM Avg
22.05%
3Y Avg
20.28%
5Y Avg
22.45%
Market Cap
$28.12B
Operating Margin
22.52%
TTM Avg
22.40%
3Y Avg
20.71%
5Y Avg
20.89%
Market Cap
$28.28B
Operating Margin
23.24%
TTM Avg
22.79%
3Y Avg
20.65%
5Y Avg
18.82%
Market Cap
$28.43B
Operating Margin
18.57%
TTM Avg
18.20%
3Y Avg
17.33%
5Y Avg
17.48%
Market Cap
$29.66B
Operating Margin
35.87%
TTM Avg
32.86%
3Y Avg
28.15%
5Y Avg
28.06%
Market Cap
$29.86B
Operating Margin
12.71%
TTM Avg
15.90%
3Y Avg
14.62%
5Y Avg
13.68%
Market Cap
$30.26B
Operating Margin
36.72%
TTM Avg
26.68%
3Y Avg
19.52%
5Y Avg
16.16%
| NAME | MARKET CAP | OPERATING MARGIN | TTM | 3Y | 5Y |
|---|---|---|---|---|---|
| American Water Works Company, Inc. (AWK) | $26.97B | 40.00% | 36.98% | 36.34% | 34.80% |
| PPL Corporation (PPL)vs › | $26.86B | 23.50% | 22.05% | 20.28% | 22.45% |
| NRG Energy, Inc. (NRG)vs › | $26.21B | 3.00% | 7.32% | 5.59% | 7.82% |
| Eversource Energy (ES)vs › | $28.12B | 22.52% | 22.40% | 20.71% | 20.89% |
| CenterPoint Energy, Inc. (CNP)vs › | $28.28B | 23.24% | 22.79% | 20.65% | 18.82% |
| FirstEnergy Corp. (FE)vs › | $28.43B | 18.57% | 18.20% | 17.33% | 17.48% |
| Atmos Energy Corporation (ATO)vs › | $29.66B | 35.87% | 32.86% | 28.15% | 28.06% |
| DTE Energy Company (DTE)vs › | $29.86B | 12.71% | 15.90% | 14.62% | 13.68% |
| Edison International (EIX)vs › | $30.26B | 36.72% | 26.68% | 19.52% | 16.16% |
| Ameren Corporation (AEE)vs › | $30.43B | 23.97% | 21.46% | 20.68% | 21.00% |
Gross Margin
44.4%
Operating Margin
40.0%
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 |
|---|---|
| 2026-06-30 | 40.00% |
| 2026-03-31 | 32.39% |
| 2025-12-31 | 31.86% |
| 2025-09-30 | 42.32% |
| 2025-06-30 | 38.32% |
| 2025-03-31 | 32.49% |
| 2024-12-31 | 33.31% |
| 2024-09-30 | 41.04% |
| 2024-06-30 | 39.08% |
| 2024-03-31 | 32.25% |
| 2023-12-31 | 28.97% |
| 2023-09-30 | 40.96% |
| 2023-06-30 | 39.38% |
| 2023-03-31 | 31.45% |
| 2022-12-31 | 28.03% |
| 2022-09-30 | 40.57% |
| 2022-06-30 | 34.90% |
| 2022-03-31 | 29.22% |
| 2021-12-31 | 23.13% |
| 2021-09-30 | 38.19% |
| 2021-06-30 | 33.03% |
| 2021-03-31 | 25.79% |
| 2020-12-31 | 28.49% |
| 2020-09-30 | 40.13% |
| 2020-06-30 | 33.62% |
| 2020-03-31 | 28.32% |
| 2019-12-31 | 24.83% |
| 2019-09-30 | 40.08% |
| 2019-06-30 | 34.24% |
| 2019-03-31 | 29.27% |
| 2018-12-31 | 29.18% |
| 2018-09-30 | 34.32% |
| 2018-06-30 | 35.40% |
| 2018-03-31 | 28.52% |
| 2017-12-31 | 33.98% |
| 2017-09-30 | 45.94% |
| 2017-06-30 | 36.73% |
| 2017-03-31 | 30.03% |
| 2016-12-31 | 30.92% |
| 2016-09-30 | 34.30% |
| 2016-06-30 | 36.15% |
| 2016-03-31 | 28.80% |
| 2015-12-31 | 29.63% |
| 2015-09-30 | 40.31% |
| 2015-06-30 | 35.49% |
| 2015-03-31 | 29.27% |
| 2014-12-31 | 30.50% |
| 2014-09-30 | 39.86% |
| 2014-06-30 | 33.43% |
| 2014-03-31 | 27.49% |
| 2013-12-31 | 30.58% |
| 2013-09-30 | 39.06% |
| 2013-06-30 | 33.40% |
| 2013-03-31 | 25.82% |
| 2012-12-31 | 24.52% |
| 2012-09-30 | 39.39% |
| 2012-06-30 | 36.30% |
| 2012-03-31 | 25.82% |
| 2011-12-31 | 28.40% |
| 2011-09-30 | 36.70% |
| 2011-06-30 | 29.83% |
| 2011-03-31 | 23.71% |
| 2010-12-31 | 22.89% |
| 2010-09-30 | 34.81% |
| 2010-06-30 | 29.20% |
| 2010-03-31 | 21.44% |
| 2009-12-31 | 22.98% |
| 2009-09-30 | 31.53% |
| 2009-06-30 | 25.65% |
| 2009-03-31 | -60.96% |
| 2008-12-31 | 21.67% |
| 2008-09-30 | 31.57% |
| 2008-06-30 | 24.21% |
| 2008-03-31 | -132.27% |
| 2007-12-31 | -299.47% |
| 2007-09-30 | 100.00% |
| 2007-06-30 | 100.00% |
| 2007-03-31 | 100.00% |
| 2006-12-31 | -251.55% |
| 2006-09-30 | 100.00% |
| 2006-06-30 | 100.00% |
| 2006-03-31 | 100.00% |
| 2002-09-30 | -19.77% |
| 2002-06-30 | -27.12% |
| 2002-03-31 | -32.11% |
| 2001-12-31 | -24.60% |
| 2001-09-30 | -4.91% |
| 2001-06-30 | -9.71% |
| 2001-03-31 | -19.88% |
| 2000-12-31 | -10.27% |
| 2000-09-30 | -3.51% |
| 2000-06-30 | -10.09% |
| 2000-03-31 | -17.74% |
| 1999-12-31 | -12.89% |
| 1999-09-30 | 38.38% |
| 1999-06-30 | 34.70% |
