What is the current annual net margin of SO?

As of today, SO annual net margin is 14.11%

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

SO annual net margin is down -11.48% year-over-year

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

SO annual net margin is up +20.60% over the past 3 years

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

SO annual net margin is currently -36.95% below its historical high of 22.38% set on December 31, 2019

How does SO annual net margin rank versus sector peers?

SO annual net margin is higher than 66.67% 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 net margin of SO?

As of today, SO quarterly net margin is 17.03%

What is SO quarterly net margin most recent change?

SO quarterly net margin was up +6.91% on June 30, 2026

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

SO quarterly net margin is up +39.25% year-over-year

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

SO quarterly net margin is currently -55.51% below its historical high of 38.28% set on March 31, 2019

How does SO quarterly net margin rank versus sector peers?

SO quarterly net margin is higher than 65.66% of companies in Utilities sector

When is SO next earnings release?

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

SO Net Margin History & Chart Since 1980

Annual Net Margin

14.11%1.83%-11.48%

December 31, 2025

Summary

Current Value: As of today, SO annual net margin is 14.11%, down -11.48% on December 31, 2025
Historical Performance: SO annual net margin is up +20.60% over the past 3 years, down -7.96% over the past 5 years
All-Time High Comparison: SO annual net margin is currently -36.95% below its historical high of 22.38% set on December 31, 2019
3-Year Low Comparison: SO annual net margin is +20.60% above its 3-year low of 11.70% reached on an earlier date
Sector Comparison: SO annual net margin is higher than 66.67% of companies in Utilities sector

Net Margin Chart

beforeafter

Performance

SO Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Net Margin	Dec 31, 25	14.11%	-11.5%	+20.6%	-8.0%	+20.7%
Quarterly Net Margin	Jun 30, 26	17.03%	+39.3%	+18.9%	+140.2%	+24.2%
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 Net Income	Dec 31, 25	$4.17B	-2.1%	+21.7%	+34.4%	+104.5%
Annual Gross Margin	Dec 31, 25	29.85%	-6.6%	+23.6%	-3.6%	+16.5%
Annual Operating Margin	Dec 31, 25	24.65%	-5.9%	+27.5%	-1.0%	+19.3%

Net Margin Highs

SO Annual Net Margin Highs Comparison
Period	High	Date	Current
3Y	15.94%	Dec 31, 24	-11.5%
5Y	15.94%	Dec 31, 24	-11.5%
All	22.38%	Dec 31, 19	-37.0%

Net Margin Lows

SO Annual Net Margin Lows Comparison
Period	Low	Date	Current
3Y	11.70%	N/A	+20.6%
5Y	9.94%	Dec 31, 21	+42.0%
All	4.01%	Dec 31, 17	+251.9%

Net Margin History

Year	Value	Change
2025	14.11%	-11.5%
2024	15.94%	+4.6%
2023	15.24%	+30.3%
2022	11.70%	+17.7%
2021	9.94%	-35.2%
2020	15.33%	-31.5%
2019	22.38%	+129.8%
2018	9.74%	+142.9%
2017	4.01%	-68.5%
2016	12.73%	-8.5%
2015	13.92%	+26.5%
2014	11.00%	+9.9%
2013	10.01%	-31.4%
2012	14.60%	+13.6%
2011	12.85%	+9.9%
2010	11.69%	+7.7%
2009	10.85%	+2.8%
2008	10.55%	-9.1%
2007	11.61%	+3.7%
2006	11.20%	-6.4%
2005	11.96%	-10.0%
2004	13.29%	+0.8%
2003	13.18%	-7.9%

Year	Value	Change
2002	14.31%	+11.3%
2001	12.86%	+9.5%
2000	11.74%	-18.1%
1999	14.34%	+32.8%
1998	10.80%	+15.6%
1997	9.34%	-22.4%
1996	12.04%	-8.2%
1995	13.12%	+1.2%
1994	12.97%	+0.5%
1993	12.90%	-1.5%
1992	13.09%	+7.1%
1991	12.22%	+35.5%
1990	9.02%	-30.2%
1989	12.93%	-3.1%
1988	13.35%	+38.1%
1987	9.67%	-25.0%
1986	12.89%	-7.3%
1985	13.90%	+18.3%
1984	11.75%	-8.3%
1983	12.82%	+33.7%
1982	9.59%	+25.2%
1981	7.66%	-16.3%
1980	9.15%	-

FAQ

What is the current annual net margin of SO?: As of today, SO annual net margin is 14.11%
What is 1-year change in SO annual net margin?: SO annual net margin is down -11.48% year-over-year
What is 3-year change in SO annual net margin?: SO annual net margin is up +20.60% over the past 3 years
How far is SO annual net margin from its all-time high?: SO annual net margin is currently -36.95% below its historical high of 22.38% set on December 31, 2019
How does SO annual net margin rank versus sector peers?: SO annual net margin is higher than 66.67% 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

Net Margin Formula

Net Margin = Net Income

Revenue × 100%

Quarterly Net Margin

17.03%1.10%+6.91%

June 30, 2026

Summary

Current Value: As of today, SO quarterly net margin is 17.03%, up +6.91% on June 30, 2026
Historical Performance: SO quarterly net margin is up +39.25% year-over-year, up +18.92% over the past 3 years
All-Time High Comparison: SO quarterly net margin is currently -55.51% below its historical high of 38.28% set on March 31, 2019
3-Year Low Comparison: SO quarterly net margin is +248.98% above its 3-year low of 4.88% reached on December 31, 2025
Sector Comparison: SO quarterly net margin is higher than 65.66% of companies in Utilities sector

Performance

SO Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Net Margin	Jun 30, 26	17.03%	+6.9%	+39.3%	+18.9%	+140.2%
Annual Net Margin	Dec 31, 25	14.11%	–	-11.5%	+20.6%	-8.0%
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 Net Income	Jun 30, 26	$1.19B	-11.2%	+39.3%	+44.4%	+216.0%
Quarterly Gross Margin	Jun 30, 26	30.87%	+5.0%	-1.3%	+9.7%	+4.7%
Quarterly Operating Margin	Jun 30, 26	25.61%	+7.2%	+0.5%	+15.2%	+8.6%

Quarterly Net Margin Highs

SO Quarterly Net Margin Highs Comparison
Period	High	Date	Current
1Y	21.82%	Sep 30, 25	-21.9%
3Y	21.82%	Sep 30, 25	-21.9%
5Y	21.82%	Sep 30, 25	-21.9%
All	38.28%	Mar 31, 19	-55.5%

Quarterly Net Margin Lows

SO Quarterly Net Margin Lows Comparison
Period	Low	Date	Current
1Y	4.88%	Dec 31, 25	+249.0%
3Y	4.88%	Dec 31, 25	+249.0%
5Y	-4.91%	Dec 31, 21	+446.8%
All	-24.90%	Jun 30, 17	+168.4%

Quarterly Net Margin History

Month	Value	Change
Jun 2026	17.03%	+6.9%
Mar 2026	15.93%	+226.4%
Dec 2025	4.88%	-77.6%
Sep 2025	21.82%	+78.4%
Jun 2025	12.23%	-25.1%
Mar 2025	16.33%	+122.2%
Dec 2024	7.35%	-65.2%
Sep 2024	21.10%	+14.8%
Jun 2024	18.38%	+14.0%
Mar 2024	16.12%	+22.4%
Dec 2023	13.17%	-35.8%
Sep 2023	20.52%	+43.3%
Jun 2023	14.32%	+16.1%
Mar 2023	12.33%	+729.1%
Dec 2022	-1.96%	-111.0%
Sep 2022	17.76%	+17.8%
Jun 2022	15.08%	+1.1%
Mar 2022	14.91%	+403.7%
Dec 2021	-4.91%	-127.6%
Sep 2021	17.79%	+150.9%
Jun 2021	7.09%	-62.0%
Mar 2021	18.68%	+163.5%
Dec 2020	7.09%	-68.8%
Sep 2020	22.71%	+68.5%
Jun 2020	13.48%	-20.7%
Mar 2020	17.00%	+98.4%
Dec 2019	8.57%	-61.8%
Sep 2019	22.43%	+21.6%
Jun 2019	18.44%	-51.8%
Mar 2019	38.28%	+665.6%
Dec 2018	5.00%	-74.7%
Sep 2018	19.73%	+976.9%
Jun 2018	-2.25%	-115.4%
Mar 2018	14.65%	+69.2%
Dec 2017	8.66%	-51.5%
Sep 2017	17.84%	+171.6%
Jun 2017	-24.90%	-314.3%
Mar 2017	11.62%	+161.7%
Dec 2016	4.44%	-76.4%
Sep 2016	18.79%	+29.5%
Jun 2016	14.51%	+15.6%
Mar 2016	12.55%	+59.9%
Dec 2015	7.85%	-56.3%
Sep 2015	17.96%	+21.1%
Jun 2015	14.83%	+18.2%
Mar 2015	12.55%	+60.3%
Dec 2014	7.83%	-43.1%
Sep 2014	13.77%	-2.1%
Jun 2014	14.06%	+77.5%
Mar 2014	7.92%	-27.9%
Dec 2013	10.98%	-36.6%
Sep 2013	17.32%	+135.0%
Jun 2013	7.37%	+196.0%
Mar 2013	2.49%	-76.9%
Dec 2012	10.78%	-45.2%
Sep 2012	19.67%	+28.7%
Jun 2012	15.28%	+43.5%
Mar 2012	10.65%	+42.2%
Dec 2011	7.49%	-56.4%
Sep 2011	17.19%	+25.4%
Jun 2011	13.71%	+25.5%
Mar 2011	10.92%	+143.2%
Dec 2010	4.49%	-71.3%
Sep 2010	15.66%	+25.2%
Jun 2010	12.51%	+1.8%
Mar 2010	12.29%	+63.0%
Dec 2009	7.54%	-56.3%
Sep 2009	17.24%	+35.3%
Jun 2009	12.74%	+228.4%
Mar 2009	3.88%	-27.1%
Dec 2008	5.32%	-63.8%
Sep 2008	14.68%	+43.1%
Jun 2008	10.26%	+0.7%
Mar 2008	10.19%	+53.7%
Dec 2007	6.63%	-58.5%
Sep 2007	15.99%	+37.3%
Jun 2007	11.65%	+13.9%
Mar 2007	10.23%	+64.5%
Dec 2006	6.22%	-62.1%
Sep 2006	16.42%	+49.1%
Jun 2006	11.01%	+25.3%
Mar 2006	8.79%	+66.8%
Dec 2005	5.27%	-68.9%
Sep 2005	16.95%	+33.5%
Jun 2005	12.70%	+6.5%

Month	Value	Change
Mar 2005	11.92%	+29.3%
Dec 2004	9.22%	-51.3%
Sep 2004	18.95%	+57.7%
Jun 2004	12.02%	-3.2%
Mar 2004	12.42%	+186.2%
Dec 2003	4.34%	-76.9%
Sep 2003	18.81%	+22.9%
Jun 2003	15.30%	+29.2%
Mar 2003	11.84%	+35.3%
Dec 2002	8.75%	-55.9%
Sep 2002	19.84%	+37.6%
Jun 2002	14.42%	+17.7%
Mar 2002	12.25%	+127.7%
Dec 2001	5.38%	-71.7%
Sep 2001	18.99%	+53.4%
Jun 2001	12.38%	+24.3%
Mar 2001	9.96%	+144.1%
Dec 2000	4.08%	-55.1%
Sep 2000	9.08%	-28.2%
Jun 2000	12.64%	+0.3%
Mar 2000	12.60%	+64.1%
Dec 1999	7.68%	-63.5%
Sep 1999	21.02%	+54.6%
Jun 1999	13.60%	+35.2%
Mar 1999	10.06%	+1,401.5%
Dec 1998	0.67%	-96.1%
Sep 1998	17.02%	+52.1%
Jun 1998	11.19%	-6.3%
Mar 1998	11.94%	+97.7%
Dec 1997	6.04%	-34.3%
Sep 1997	9.20%	+16.3%
Jun 1997	7.91%	+9.3%
Mar 1997	7.24%	+26.4%
Dec 1996	5.73%	-64.1%
Sep 1996	15.94%	+42.2%
Jun 1996	11.21%	+16.9%
Mar 1996	9.59%	+38.2%
Dec 1995	6.94%	-59.2%
Sep 1995	16.99%	+38.7%
Jun 1995	12.25%	+14.6%
Mar 1995	10.69%	+16.8%
Dec 1994	9.15%	-47.6%
Sep 1994	17.47%	+41.0%
Jun 1994	12.39%	+69.0%
Mar 1994	7.33%	+7.3%
Dec 1993	6.83%	-59.2%
Sep 1993	16.75%	+38.3%
Jun 1993	12.11%	+25.9%
Mar 1993	9.62%	+27.6%
Dec 1992	7.54%	-55.5%
Sep 1992	16.93%	+52.5%
Jun 1992	11.10%	+8.6%
Mar 1992	10.22%	-1.6%
Dec 1991	10.39%	-34.0%
Sep 1991	15.74%	+85.8%
Jun 1991	8.47%	+10.1%
Mar 1991	7.69%	+64.7%
Dec 1990	4.67%	-39.4%
Sep 1990	7.71%	-27.9%
Jun 1990	10.70%	+57.8%
Mar 1990	6.78%	+15.9%
Dec 1989	5.85%	-64.8%
Sep 1989	16.62%	+67.2%
Jun 1989	9.94%	-15.3%
Mar 1989	11.73%	+30.3%
Dec 1988	9.00%	-49.7%
Sep 1988	17.89%	+95.7%
Jun 1988	9.14%	-0.8%
Mar 1988	9.21%	+192.8%
Dec 1987	-9.92%	-165.2%
Sep 1987	15.22%	+31.2%
Jun 1987	11.60%	-6.5%
Mar 1987	12.41%	+9.8%
Dec 1986	11.30%	-29.2%
Sep 1986	15.96%	+41.0%
Jun 1986	11.32%	-8.3%
Mar 1986	12.34%	+18.1%
Dec 1985	10.45%	-27.6%
Sep 1985	14.43%	+29.1%
Jun 1985	11.18%	-8.8%
Mar 1985	12.26%	+14.9%
Dec 1984	10.67%	-26.3%
Sep 1984	14.48%	+48.1%
Jun 1984	9.78%	-15.3%
Mar 1984	11.55%	-

FAQ

What is the current quarterly net margin of SO?: As of today, SO quarterly net margin is 17.03%
What is SO quarterly net margin most recent change?: SO quarterly net margin was up +6.91% on June 30, 2026
What is 1-year change in SO quarterly net margin?: SO quarterly net margin is up +39.25% year-over-year
How far is SO quarterly net margin from its all-time high?: SO quarterly net margin is currently -55.51% below its historical high of 38.28% set on March 31, 2019
How does SO quarterly net margin rank versus sector peers?: SO quarterly net margin is higher than 65.66% of companies in Utilities sector
When is SO next earnings release?: The next earnings release for SO is on October 29, 2026

Net Margin Formula

Net Margin = Net 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