What is the current annual operating margin of SO?

As of today, SO annual operating margin is 24.65%

What is 1-year change in SO annual operating margin?

SO annual operating margin is down -5.88% year-over-year

What is 3-year change in SO annual operating margin?

SO annual operating margin is up +27.52% over the past 3 years

How far is SO annual operating margin from its all-time high?

SO annual operating margin is currently -17.39% below its historical high of 29.84% set on December 31, 1992

How does SO annual operating margin rank versus sector peers?

SO annual operating margin is higher than 77.98% of companies in Utilities sector

When is SO next annual earnings release?

As of today, the next annual earnings release for SO has not been scheduled

What is the current quarterly operating margin of SO?

As of today, SO quarterly operating margin is 25.61%

What is SO quarterly operating margin most recent change?

SO quarterly operating margin was up +7.24% on June 30, 2026

What is 1-year change in SO quarterly operating margin?

SO quarterly operating margin is up +0.51% year-over-year

How far is SO quarterly operating margin from its all-time high?

SO quarterly operating margin is currently -31.92% below its historical high of 37.62% set on September 30, 1994

How does SO quarterly operating margin rank versus sector peers?

SO quarterly operating margin is higher than 68.27% of companies in Utilities sector

When is SO next earnings release?

The next earnings release for SO is on October 29, 2026

SO Operating Margin History & Chart Since 1980

Annual Operating Margin

24.65%1.54%-5.88%

December 31, 2025

Summary

Current Value: As of today, SO annual operating margin is 24.65%, down -5.88% on December 31, 2025
Historical Performance: SO annual operating margin is up +27.52% over the past 3 years, down -0.96% over the past 5 years
All-Time High Comparison: SO annual operating margin is currently -17.39% below its historical high of 29.84% set on December 31, 1992
3-Year Low Comparison: SO annual operating margin is +27.52% above its 3-year low of 19.33% reached on an earlier date
Sector Comparison: SO annual operating margin is higher than 77.98% of companies in Utilities sector

Operating Margin Chart

beforeafter

Performance

SO Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Operating Margin	Dec 31, 25	24.65%	-5.9%	+27.5%	-1.0%	+19.3%
Quarterly Operating Margin	Jun 30, 26	25.61%	+0.5%	+15.2%	+8.6%	+6.4%
Price	Jul 31, 26	$94.54	+0.1%	+30.7%	+48.0%	+139.1%
PE Ratio	Jul 31, 26	22.81	-6.5%	-11.0%	+5.3%	+35.0%
Annual Revenue	Dec 31, 25	$29.55B	+10.6%	+0.9%	+46.0%	+69.3%
Annual Operating Profit	Dec 31, 25	$7.29B	+4.1%	+28.7%	+44.6%	+102.0%
Annual Gross Margin	Dec 31, 25	29.85%	-6.6%	+23.6%	-3.6%	+16.5%
Annual Net Margin	Dec 31, 25	14.11%	-11.5%	+20.6%	-8.0%	+20.7%

Operating Margin Highs

SO Annual Operating Margin Highs Comparison
Period	High	Date	Current
3Y	26.19%	Dec 31, 24	-5.9%
5Y	26.19%	Dec 31, 24	-5.9%
All	29.84%	Dec 31, 92	-17.4%

Operating Margin Lows

SO Annual Operating Margin Lows Comparison
Period	Low	Date	Current
3Y	19.33%	N/A	+27.5%
5Y	19.33%	Dec 31, 22	+27.5%
All	19.33%	Dec 31, 22	+27.5%

Operating Margin History

Year	Value	Change
2025	24.65%	-5.9%
2024	26.19%	+12.4%
2023	23.30%	+20.5%
2022	19.33%	-14.8%
2021	22.69%	-8.8%
2020	24.89%	+2.4%
2019	24.30%	+7.8%
2018	22.55%	-13.0%
2017	25.93%	+1.1%
2016	25.65%	-4.0%
2015	26.73%	+9.5%
2014	24.42%	-4.6%
2013	25.59%	-0.1%
2012	25.62%	+11.4%
2011	22.99%	+11.3%
2010	20.66%	+4.5%
2009	19.77%	-7.4%
2008	21.35%	+1.0%
2007	21.14%	-8.5%
2006	23.11%	+7.1%
2005	21.58%	-10.3%
2004	24.05%	-4.1%
2003	25.08%	+3.8%

Year	Value	Change
2002	24.16%	+2.6%
2001	23.55%	-1.4%
2000	23.88%	-2.8%
1999	24.58%	+5.7%
1998	23.26%	+15.1%
1997	20.20%	-19.6%
1996	25.11%	-14.3%
1995	29.31%	+0.2%
1994	29.24%	-0.7%
1993	29.44%	-1.3%
1992	29.84%	+10.4%
1991	27.03%	+0.6%
1990	26.88%	-5.8%
1989	28.52%	+14.3%
1988	24.96%	+6.9%
1987	23.35%	-12.3%
1986	26.64%	+1.7%
1985	26.20%	-0.3%
1984	26.27%	-7.4%
1983	28.38%	+7.4%
1982	26.43%	+12.8%
1981	23.44%	-12.6%
1980	26.81%	-

FAQ

What is the current annual operating margin of SO?: As of today, SO annual operating margin is 24.65%
What is 1-year change in SO annual operating margin?: SO annual operating margin is down -5.88% year-over-year
What is 3-year change in SO annual operating margin?: SO annual operating margin is up +27.52% over the past 3 years
How far is SO annual operating margin from its all-time high?: SO annual operating margin is currently -17.39% below its historical high of 29.84% set on December 31, 1992
How does SO annual operating margin rank versus sector peers?: SO annual operating margin is higher than 77.98% of companies in Utilities sector
When is SO next annual earnings release?: As of today, the next annual earnings release for SO has not been scheduled

Operating Margin Formula

Operating Profit Margin = Operating Income

Revenue × 100%

Quarterly Operating Margin

25.61%1.73%+7.24%

June 30, 2026

Summary

Current Value: As of today, SO quarterly operating margin is 25.61%, up +7.24% on June 30, 2026
Historical Performance: SO quarterly operating margin is up +0.51% year-over-year, up +15.20% over the past 3 years
All-Time High Comparison: SO quarterly operating margin is currently -31.92% below its historical high of 37.62% set on September 30, 1994
3-Year Low Comparison: SO quarterly operating margin is +96.25% above its 3-year low of 13.05% reached on December 31, 2025
Sector Comparison: SO quarterly operating margin is higher than 68.27% of companies in Utilities sector

Performance

SO Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Operating Margin	Jun 30, 26	25.61%	+7.2%	+0.5%	+15.2%	+8.6%
Annual Operating Margin	Dec 31, 25	24.65%	–	-5.9%	+27.5%	-1.0%
Price	Jul 31, 26	$94.54	-2.2%	+0.1%	+30.7%	+48.0%
PE Ratio	Jul 31, 26	22.81	-7.8%	-6.5%	-11.0%	+5.3%
Quarterly Revenue	Jun 30, 26	$6.98B	-16.9%	+0.1%	+21.4%	+31.6%
Quarterly Operating Profit	Jun 30, 26	$1.79B	-10.9%	+0.6%	+39.8%	+43.0%
Quarterly Gross Margin	Jun 30, 26	30.87%	+5.0%	-1.3%	+9.7%	+4.7%
Quarterly Net Margin	Jun 30, 26	17.03%	+6.9%	+39.3%	+18.9%	+140.2%

Quarterly Operating Margin Highs

SO Quarterly Operating Margin Highs Comparison
Period	High	Date	Current
1Y	33.16%	Sep 30, 25	-22.8%
3Y	33.16%	Sep 30, 25	-22.8%
5Y	33.16%	Sep 30, 25	-22.8%
All	37.62%	Sep 30, 94	-31.9%

Quarterly Operating Margin Lows

SO Quarterly Operating Margin Lows Comparison
Period	Low	Date	Current
1Y	13.05%	Dec 31, 25	+96.3%
3Y	13.05%	Dec 31, 25	+96.3%
5Y	7.31%	Dec 31, 22	+250.3%
All	-8.83%	Dec 31, 00	+390.0%

Quarterly Operating Margin History

Month	Value	Change
Jun 2026	25.61%	+7.2%
Mar 2026	23.88%	+83.0%
Dec 2025	13.05%	-60.6%
Sep 2025	33.16%	+30.1%
Jun 2025	25.48%	-1.9%
Mar 2025	25.97%	+82.8%
Dec 2024	14.21%	-56.6%
Sep 2024	32.73%	+10.6%
Jun 2024	29.58%	+17.0%
Mar 2024	25.29%	+41.7%
Dec 2023	17.85%	-45.1%
Sep 2023	32.49%	+46.2%
Jun 2023	22.23%	+22.9%
Mar 2023	18.09%	+147.5%
Dec 2022	7.31%	-70.9%
Sep 2022	25.10%	+4.6%
Jun 2022	24.00%	+19.4%
Mar 2022	20.10%	+98.0%
Dec 2021	10.15%	-65.6%
Sep 2021	29.50%	+25.1%
Jun 2021	23.58%	-13.1%
Mar 2021	27.15%	+62.8%
Dec 2020	16.68%	-49.4%
Sep 2020	32.94%	+27.6%
Jun 2020	25.81%	+11.3%
Mar 2020	23.20%	+103.0%
Dec 2019	11.43%	-67.7%
Sep 2019	35.38%	+38.0%
Jun 2019	25.63%	+19.0%
Mar 2019	21.53%	+76.5%
Dec 2018	12.20%	-60.1%
Sep 2018	30.54%	+50.6%
Jun 2018	20.28%	-8.6%
Mar 2018	22.20%	+13.3%
Dec 2017	19.60%	-42.0%
Sep 2017	33.77%	+35.4%
Jun 2017	24.95%	+5.2%
Mar 2017	23.72%	+53.9%
Dec 2016	15.41%	-51.9%
Sep 2016	32.01%	+12.8%
Jun 2016	28.39%	+14.0%
Mar 2016	24.90%	+18.0%
Dec 2015	21.10%	-36.7%
Sep 2015	33.31%	+28.9%
Jun 2015	25.85%	+12.0%
Mar 2015	23.09%	+41.2%
Dec 2014	16.35%	-48.5%
Sep 2014	31.77%	+28.7%
Jun 2014	24.69%	+6.1%
Mar 2014	23.26%	+10.4%
Dec 2013	21.06%	-34.8%
Sep 2013	32.29%	+26.2%
Jun 2013	25.58%	+18.6%
Mar 2013	21.56%	+0.8%
Dec 2012	21.39%	-35.9%
Sep 2012	33.35%	+33.2%
Jun 2012	25.04%	+26.0%
Mar 2012	19.87%	+34.3%
Dec 2011	14.80%	-49.8%
Sep 2011	29.50%	+22.6%
Jun 2011	24.07%	+18.3%
Mar 2011	20.34%	+77.0%
Dec 2010	11.49%	-56.7%
Sep 2010	26.55%	+26.7%
Jun 2010	20.96%	-1.0%
Mar 2010	21.17%	+71.4%

Month	Value	Change
Dec 2009	12.35%	-54.9%
Sep 2009	27.41%	+40.2%
Jun 2009	19.55%	+13.1%
Mar 2009	17.28%	+49.2%
Dec 2008	11.58%	-59.1%
Sep 2008	28.31%	+21.7%
Jun 2008	23.27%	+22.8%
Mar 2008	18.95%	+61.8%
Dec 2007	11.71%	-58.1%
Sep 2007	27.93%	+25.1%
Jun 2007	22.32%	+14.7%
Mar 2007	19.46%	+22.8%
Dec 2006	15.85%	-48.8%
Sep 2006	30.94%	+33.0%
Jun 2006	23.26%	+24.1%
Mar 2006	18.75%	+60.5%
Dec 2005	11.68%	-60.1%
Sep 2005	29.30%	+26.7%
Jun 2005	23.12%	+15.1%
Mar 2005	20.08%	+38.0%
Dec 2004	14.55%	-55.0%
Sep 2004	32.35%	+40.0%
Jun 2004	23.10%	-2.8%
Mar 2004	23.76%	+51.4%
Dec 2003	15.69%	-52.4%
Sep 2003	32.97%	+20.7%
Jun 2003	27.32%	+18.6%
Mar 2003	23.04%	+75.3%
Dec 2002	13.14%	-59.9%
Sep 2002	32.78%	+32.6%
Jun 2002	24.72%	+6.0%
Mar 2002	23.33%	+86.8%
Dec 2001	12.49%	-60.4%
Sep 2001	31.53%	+38.1%
Jun 2001	22.83%	+9.1%
Mar 2001	20.93%	+337.0%
Dec 2000	-8.83%	-151.7%
Sep 2000	17.08%	-26.2%
Jun 2000	23.15%	+4.6%
Mar 2000	22.13%	+12.1%
Dec 1999	19.75%	-37.4%
Sep 1999	31.56%	+32.0%
Jun 1999	23.91%	+20.4%
Mar 1999	19.86%	+44.5%
Dec 1998	13.74%	-55.5%
Sep 1998	30.86%	+38.6%
Jun 1998	22.27%	-5.2%
Mar 1998	23.48%	+19.7%
Dec 1997	19.61%	-11.7%
Sep 1997	22.22%	+3.5%
Jun 1997	21.46%	+2.3%
Mar 1997	20.98%	+22.6%
Dec 1996	17.11%	-47.5%
Sep 1996	32.60%	+26.6%
Jun 1996	25.76%	+10.0%
Mar 1996	23.41%	+5.9%
Dec 1995	22.11%	-38.8%
Sep 1995	36.12%	+22.0%
Jun 1995	29.61%	+6.3%
Mar 1995	27.86%	+15.9%
Dec 1994	24.03%	-36.1%
Sep 1994	37.62%	+24.0%
Jun 1994	30.33%	+32.4%
Mar 1994	22.91%	-36.7%
Sep 1993	36.22%	+27.8%
Jun 1993	28.34%	-

FAQ

What is the current quarterly operating margin of SO?: As of today, SO quarterly operating margin is 25.61%
What is SO quarterly operating margin most recent change?: SO quarterly operating margin was up +7.24% on June 30, 2026
What is 1-year change in SO quarterly operating margin?: SO quarterly operating margin is up +0.51% year-over-year
How far is SO quarterly operating margin from its all-time high?: SO quarterly operating margin is currently -31.92% below its historical high of 37.62% set on September 30, 1994
How does SO quarterly operating margin rank versus sector peers?: SO quarterly operating margin is higher than 68.27% of companies in Utilities sector
When is SO next earnings release?: The next earnings release for SO is on October 29, 2026

Operating Margin Formula

Operating Profit Margin = Operating Income

Revenue × 100%

Data Sources & References

SO Official Website www.southerncompany.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/92122/000009212226000006/0000092122-26-000006-index.htm
SO Profile on Yahoo Finance finance.yahoo.com/quote/SO
SO Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/so