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 26.59% is 25% above its 5-year average of 21.36%, near the high end of its 5-year range (14.33%–28.51%).
As of the fiscal period ended Tuesday, March 31, 2026. 10.75% above its 12-month average of 24.01%.
Reported quarterly operating margin; no daily interpolation.
OPERATING MARGIN
26.59%
OPERATING MARGIN AVG TTM
24.01%
OPERATING MARGIN AVG 3Y
21.55%
OPERATING MARGIN AVG 5Y
21.36%
OPERATING MARGIN AVG 10Y
28.92%
OPERATING MARGIN AVG 15Y
28.47%
OPERATING MARGIN AVG 20Y
26.87%
CURRENT VS TTM AVG
+10.75%
CURRENT VS 3Y AVG
+23.40%
CURRENT VS 5Y AVG
+24.51%
CURRENT VS 10Y AVG
-8.03%
CURRENT VS 15Y AVG
-6.60%
CURRENT VS 20Y AVG
-1.04%
SECTOR MEDIAN · UTILITIES
21.18%
median of 43 covered companies
CURRENT VS SECTOR MEDIAN
+25.56%
vs the sector median at left
PPL Corporation
Market Cap
$26.48B
Operating Margin
26.59%
TTM Avg
24.01%
3Y Avg
21.55%
5Y Avg
21.36%
Market Cap
$26.63B
Operating Margin
36.94%
TTM Avg
36.62%
3Y Avg
35.58%
5Y Avg
34.30%
Market Cap
$27.20B
Operating Margin
36.72%
TTM Avg
26.68%
3Y Avg
19.52%
5Y Avg
16.16%
Market Cap
$27.34B
Operating Margin
22.52%
TTM Avg
22.40%
3Y Avg
20.71%
5Y Avg
20.89%
Market Cap
$27.39B
Operating Margin
23.24%
TTM Avg
22.79%
3Y Avg
20.65%
5Y Avg
18.82%
Market Cap
$27.94B
Operating Margin
18.57%
TTM Avg
18.20%
3Y Avg
17.33%
5Y Avg
17.48%
Market Cap
$28.82B
Operating Margin
35.87%
TTM Avg
32.86%
3Y Avg
28.15%
5Y Avg
28.06%
Market Cap
$29.49B
Operating Margin
12.35%
TTM Avg
15.90%
3Y Avg
14.62%
5Y Avg
13.68%
| NAME | MARKET CAP | OPERATING MARGIN | TTM | 3Y | 5Y |
|---|---|---|---|---|---|
| PPL Corporation (PPL) | $26.48B | 26.59% | 24.01% | 21.55% | 21.36% |
| American Water Works Company, Inc. (AWK)vs › | $26.63B | 36.94% | 36.62% | 35.58% | 34.30% |
| Edison International (EIX)vs › | $27.20B | 36.72% | 26.68% | 19.52% | 16.16% |
| Eversource Energy (ES)vs › | $27.34B | 22.52% | 22.40% | 20.71% | 20.89% |
| CenterPoint Energy, Inc. (CNP)vs › | $27.39B | 23.24% | 22.79% | 20.65% | 18.82% |
| FirstEnergy Corp. (FE)vs › | $27.94B | 18.57% | 18.20% | 17.33% | 17.48% |
| NRG Energy, Inc. (NRG)vs › | $24.69B | 5.38% | 7.32% | 5.59% | 7.82% |
| Atmos Energy Corporation (ATO)vs › | $28.82B | 35.87% | 32.86% | 28.15% | 28.06% |
| DTE Energy Company (DTE)vs › | $29.49B | 12.35% | 15.90% | 14.62% | 13.68% |
| Ameren Corporation (AEE)vs › | $30.29B | 24.87% | 21.46% | 20.68% | 21.00% |
Gross Margin
35.3%
Operating Margin
26.6%
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 | 26.59% |
| 2025-12-31 | 20.93% |
| 2025-09-30 | 25.41% |
| 2025-06-30 | 20.05% |
| 2025-03-31 | 27.08% |
| 2024-12-31 | 17.05% |
| 2024-09-30 | 20.72% |
| 2024-06-30 | 20.73% |
| 2024-03-31 | 23.65% |
| 2023-12-31 | 19.20% |
| 2023-09-30 | 21.39% |
| 2023-06-30 | 16.73% |
| 2023-03-31 | 20.62% |
| 2022-12-31 | 14.67% |
| 2022-09-30 | 15.98% |
| 2022-06-30 | 14.33% |
| 2022-03-31 | 25.48% |
| 2021-12-31 | 20.74% |
| 2021-09-30 | 28.51% |
| 2021-06-30 | 20.96% |
| 2021-03-31 | 27.70% |
| 2020-12-31 | 36.50% |
| 2020-09-30 | 31.21% |
| 2020-06-30 | 27.47% |
| 2020-03-31 | 29.44% |
| 2019-12-31 | 35.47% |
| 2019-09-30 | 37.56% |
| 2019-06-30 | 35.50% |
| 2019-03-31 | 37.57% |
| 2018-12-31 | 33.88% |
| 2018-09-30 | 36.65% |
| 2018-06-30 | 35.61% |
| 2018-03-31 | 40.03% |
| 2017-12-31 | 41.17% |
| 2017-09-30 | 39.89% |
| 2017-06-30 | 38.14% |
| 2017-03-31 | 38.85% |
| 2016-12-31 | 38.97% |
| 2016-09-30 | 41.61% |
| 2016-06-30 | 40.62% |
| 2016-03-31 | 40.92% |
| 2015-12-31 | 34.66% |
| 2015-09-30 | 36.53% |
| 2015-06-30 | 35.82% |
| 2015-03-31 | 39.91% |
| 2014-12-31 | 24.43% |
| 2014-09-30 | 36.62% |
| 2014-06-30 | 36.67% |
| 2014-03-31 | 60.55% |
| 2013-12-31 | 1.09% |
| 2013-09-30 | 27.52% |
| 2013-06-30 | 21.97% |
| 2013-03-31 | 28.21% |
| 2012-12-31 | 25.51% |
| 2012-09-30 | 27.63% |
| 2012-06-30 | 22.44% |
| 2012-03-31 | 25.56% |
| 2011-12-31 | 22.14% |
| 2011-09-30 | 24.58% |
| 2011-06-30 | 23.91% |
| 2011-03-31 | 27.66% |
| 2010-12-31 | 34.46% |
| 2010-09-30 | 23.96% |
| 2010-06-30 | 15.34% |
| 2010-03-31 | 15.83% |
| 2009-12-31 | 15.29% |
| 2009-09-30 | 9.60% |
| 2009-06-30 | 6.22% |
| 2009-03-31 | 17.58% |
| 2008-12-31 | 21.97% |
| 2008-09-30 | 12.92% |
| 2008-06-30 | 37.97% |
| 2008-03-31 | 31.45% |
| 2007-12-31 | 24.37% |
| 2007-09-30 | 29.37% |
| 2007-06-30 | 24.03% |
| 2007-03-31 | 25.16% |
| 2006-12-31 | 21.29% |
| 2006-09-30 | 22.66% |
| 2006-06-30 | 23.80% |
| 2006-03-31 | 28.18% |
| 2005-12-31 | 19.63% |
| 2005-09-30 | 23.64% |
| 2005-06-30 | 26.72% |
| 2005-03-31 | 20.94% |
| 2004-12-31 | 23.28% |
| 2004-09-30 | 26.34% |
| 2004-06-30 | 22.19% |
| 2004-03-31 | 24.03% |
| 2003-12-31 | 25.57% |
| 2003-09-30 | 24.83% |
| 2003-06-30 | 21.36% |
| 2003-03-31 | 24.13% |
| 2002-12-31 | 19.72% |
| 2002-09-30 | 26.95% |
| 2002-06-30 | 6.69% |
