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 25.06% is 43% above its 5-year average of 17.57%, around the middle of its 5-year range (-2.42%–56.00%).
As of the fiscal period ended Tuesday, June 30, 2026. 13.46% above its 12-month average of 22.09%.
Reported quarterly operating margin; no daily interpolation.
OPERATING MARGIN
25.06%
OPERATING MARGIN AVG TTM
22.09%
OPERATING MARGIN AVG 3Y
18.85%
OPERATING MARGIN AVG 5Y
17.57%
OPERATING MARGIN AVG 10Y
16.75%
OPERATING MARGIN AVG 15Y
16.93%
OPERATING MARGIN AVG 20Y
17.11%
CURRENT VS TTM AVG
+13.46%
CURRENT VS 3Y AVG
+32.93%
CURRENT VS 5Y AVG
+42.63%
CURRENT VS 10Y AVG
+49.60%
CURRENT VS 15Y AVG
+48.02%
CURRENT VS 20Y AVG
+46.47%
SECTOR MEDIAN · UTILITIES
21.54%
median of 44 covered companies
CURRENT VS SECTOR MEDIAN
+16.36%
vs the sector median at left
Edison International
Market Cap
$26.40B
Operating Margin
25.06%
TTM Avg
22.09%
3Y Avg
18.85%
5Y Avg
17.57%
Market Cap
$26.69B
Operating Margin
24.10%
TTM Avg
22.05%
3Y Avg
20.28%
5Y Avg
22.45%
Market Cap
$26.80B
Operating Margin
23.24%
TTM Avg
22.79%
3Y Avg
20.65%
5Y Avg
18.82%
Market Cap
$26.89B
Operating Margin
36.94%
TTM Avg
36.62%
3Y Avg
35.58%
5Y Avg
34.30%
Market Cap
$27.20B
Operating Margin
22.34%
TTM Avg
22.40%
3Y Avg
20.71%
5Y Avg
20.89%
Market Cap
$27.47B
Operating Margin
18.57%
TTM Avg
18.20%
3Y Avg
17.33%
5Y Avg
17.48%
Market Cap
$28.41B
Operating Margin
36.97%
TTM Avg
32.86%
3Y Avg
28.15%
5Y Avg
28.06%
Market Cap
$29.11B
Operating Margin
12.35%
TTM Avg
15.90%
3Y Avg
14.62%
5Y Avg
13.68%
| NAME | MARKET CAP | OPERATING MARGIN | TTM | 3Y | 5Y |
|---|---|---|---|---|---|
| Edison International (EIX) | $26.40B | 25.06% | 22.09% | 18.85% | 17.57% |
| PPL Corporation (PPL)vs › | $26.69B | 24.10% | 22.05% | 20.28% | 22.45% |
| CenterPoint Energy, Inc. (CNP)vs › | $26.80B | 23.24% | 22.79% | 20.65% | 18.82% |
| American Water Works Company, Inc. (AWK)vs › | $26.89B | 36.94% | 36.62% | 35.58% | 34.30% |
| Eversource Energy (ES)vs › | $27.20B | 22.34% | 22.40% | 20.71% | 20.89% |
| FirstEnergy Corp. (FE)vs › | $27.47B | 18.57% | 18.20% | 17.33% | 17.48% |
| NRG Energy, Inc. (NRG)vs › | $24.92B | 5.38% | 7.32% | 5.59% | 7.82% |
| Atmos Energy Corporation (ATO)vs › | $28.41B | 36.97% | 32.86% | 28.15% | 28.06% |
| DTE Energy Company (DTE)vs › | $29.11B | 12.35% | 15.90% | 14.62% | 13.68% |
| Ameren Corporation (AEE)vs › | $30.12B | 24.87% | 21.46% | 20.68% | 21.00% |
Gross Margin
57.8%
Operating Margin
25.1%
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 | 25.06% |
| 2026-03-31 | 26.18% |
| 2025-12-31 | 17.25% |
| 2025-09-30 | 24.90% |
| 2025-06-30 | 17.06% |
| 2025-03-31 | 56.00% |
| 2024-12-31 | 19.83% |
| 2024-09-30 | 19.13% |
| 2024-06-30 | 20.76% |
| 2024-03-31 | 6.01% |
| 2023-12-31 | 21.34% |
| 2023-09-30 | 10.46% |
| 2023-06-30 | 18.26% |
| 2023-03-31 | 15.63% |
| 2022-12-31 | 19.02% |
| 2022-09-30 | -0.84% |
| 2022-06-30 | 12.57% |
| 2022-03-31 | 6.53% |
| 2021-12-31 | 18.64% |
| 2021-09-30 | -2.42% |
| 2021-06-30 | 17.65% |
| 2021-03-31 | 13.48% |
| 2020-12-31 | 25.15% |
| 2020-09-30 | -8.16% |
| 2020-06-30 | 16.74% |
| 2020-03-31 | 10.82% |
| 2019-12-31 | 9.66% |
| 2019-09-30 | 17.00% |
| 2019-06-30 | 17.78% |
| 2019-03-31 | 12.46% |
| 2018-12-31 | -67.83% |
| 2018-09-30 | 17.31% |
| 2018-06-30 | 14.92% |
| 2018-03-31 | 12.87% |
| 2017-12-31 | -0.50% |
| 2017-09-30 | 15.06% |
| 2017-06-30 | 15.85% |
| 2017-03-31 | 19.12% |
| 2016-12-31 | 19.66% |
| 2016-09-30 | 18.45% |
| 2016-06-30 | 13.72% |
| 2016-03-31 | 18.36% |
| 2015-12-31 | 14.44% |
| 2015-09-30 | 16.16% |
| 2015-06-30 | 18.02% |
| 2015-03-31 | 21.42% |
| 2014-12-31 | 22.25% |
| 2014-09-30 | 20.06% |
| 2014-06-30 | 19.06% |
| 2014-03-31 | 11.31% |
| 2013-12-31 | 17.09% |
| 2013-09-30 | 19.92% |
| 2013-06-30 | -2.33% |
| 2013-03-31 | 18.69% |
| 2012-12-31 | 48.06% |
| 2012-09-30 | 17.52% |
| 2012-06-30 | 13.74% |
| 2012-03-31 | 13.62% |
| 2011-12-31 | -43.76% |
| 2011-09-30 | 19.72% |
| 2011-06-30 | 12.74% |
| 2011-03-31 | 16.18% |
| 2010-12-31 | 13.49% |
| 2010-09-30 | 22.76% |
| 2010-06-30 | 12.81% |
| 2010-03-31 | 17.72% |
| 2009-12-31 | 14.56% |
| 2009-09-30 | 20.96% |
| 2009-06-30 | -12.84% |
| 2009-03-31 | 19.67% |
| 2008-12-31 | 14.00% |
| 2008-09-30 | 23.45% |
| 2008-06-30 | 14.96% |
| 2008-03-31 | 20.37% |
| 2007-12-31 | 15.10% |
| 2007-09-30 | 22.81% |
| 2007-06-30 | 8.53% |
| 2007-03-31 | 21.53% |
| 2006-12-31 | 15.32% |
| 2006-09-30 | 25.33% |
| 2006-06-30 | 14.90% |
| 2006-03-31 | 16.72% |
| 2005-12-31 | 20.24% |
| 2005-09-30 | 20.83% |
| 2005-06-30 | 15.44% |
| 2005-03-31 | 18.32% |
| 2004-12-31 | 18.95% |
| 2004-09-30 | 24.72% |
| 2004-06-30 | -13.09% |
| 2004-03-31 | 9.56% |
| 2003-12-31 | 12.27% |
| 2003-09-30 | 21.65% |
| 2003-06-30 | 7.15% |
| 2003-03-31 | 12.28% |
| 2002-12-31 | 71.08% |
| 2002-09-30 | 17.61% |
