What is the current annual gross margin of SO?

As of today, SO annual gross margin is 29.85%

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

SO annual gross margin is down -6.57% year-over-year

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

SO annual gross margin is up +23.65% over the past 3 years

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

SO annual gross margin is currently -30.58% below its historical high of 43.00% set on December 31, 1993

How does SO annual gross margin rank versus sector peers?

SO annual gross margin is higher than 60.00% 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 gross margin of SO?

As of today, SO quarterly gross margin is 29.40%

What is SO quarterly gross margin most recent change?

SO quarterly gross margin was up +56.30% on March 31, 2026

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

SO quarterly gross margin is down -7.23% year-over-year

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

SO quarterly gross margin is currently -60.08% below its historical high of 73.65% set on March 31, 1995

How does SO quarterly gross margin rank versus sector peers?

SO quarterly gross margin is higher than 49.06% of companies in Utilities sector

When is SO next earnings release?

The next earnings release for SO is on July 30, 2026

SO Gross Margin History & Chart Since 1980

Annual Gross Margin

29.85%2.10%-6.57%

December 31, 2025

Summary

Current Value: As of today, SO annual gross margin is 29.85%, down -6.57% on December 31, 2025
Historical Performance: SO annual gross margin is up +23.65% over the past 3 years, down -3.65% over the past 5 years
All-Time High Comparison: SO annual gross margin is currently -30.58% below its historical high of 43.00% set on December 31, 1993
3-Year Low Comparison: SO annual gross margin is +23.65% above its 3-year low of 24.14% reached on an earlier date
Sector Comparison: SO annual gross margin is higher than 60.00% of companies in Utilities sector

Gross Margin Chart

Performance

SO Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Gross Margin	Dec 31, 25	29.85%	-6.6%	+23.6%	-3.6%	+16.5%
Quarterly Gross Margin	Mar 31, 26	29.40%	-7.2%	+21.6%	-10.8%	+13.9%
Price	May 13, 26	$93.14	+9.7%	+27.0%	+43.0%	+130.0%
PE Ratio	May 13, 26	23.82	+17.0%	+0.4%	+16.1%	+32.5%
Annual Revenue	Dec 31, 25	$29.55B	+10.6%	+0.9%	+46.0%	+69.3%
Annual Gross Profit	Dec 31, 25	$8.82B	+3.3%	+24.8%	+40.7%	+97.2%
Annual Operating Margin	Dec 31, 25	24.65%	-5.9%	+27.5%	-1.0%	+19.3%
Annual Net Margin	Dec 31, 25	14.11%	-11.5%	+20.6%	-8.0%	+20.7%

Gross Margin Highs

SO Annual Gross Margin Highs Comparison
Period	High	Date	Current
3Y	31.95%	Dec 31, 24	-6.6%
5Y	31.95%	Dec 31, 24	-6.6%
All	43.00%	Dec 31, 93	-30.6%

Gross Margin Lows

SO Annual Gross Margin Lows Comparison
Period	Low	Date	Current
3Y	24.14%	N/A	+23.6%
5Y	24.14%	Dec 31, 22	+23.6%
All	0.00%	Dec 1, 80	N/A

Gross Margin History

Year	Value	Change
2025	29.85%	-6.6%
2024	31.95%	+10.4%
2023	28.94%	+19.9%
2022	24.14%	-14.5%
2021	28.24%	-8.8%
2020	30.98%	+2.9%
2019	30.10%	+7.1%
2018	28.11%	-10.3%
2017	31.34%	+0.3%
2016	31.25%	-3.6%
2015	32.43%	+9.1%
2014	29.73%	-4.3%
2013	31.06%	-0.3%
2012	31.15%	+10.9%
2011	28.09%	+9.6%
2010	25.63%	+2.6%
2009	24.97%	-4.0%
2008	26.00%	+0.1%
2007	25.97%	-7.6%
2006	28.11%	+5.7%
2005	26.59%	-9.6%
2004	29.40%	-24.0%
2003	38.69%	+31.4%

Year	Value	Change
2002	29.44%	+2.2%
2001	28.81%	-6.6%
2000	30.86%	-18.8%
1999	38.02%	+4.8%
1998	36.29%	+17.4%
1997	30.91%	-20.3%
1996	38.78%	-8.9%
1995	42.58%	-0.8%
1994	42.92%	-0.2%
1993	43.00%	+22.0%
1992	35.24%	+8.1%
1991	32.60%	>+9,900.0%
1990	0.00%	0.0%
1989	0.00%	0.0%
1988	0.00%	0.0%
1987	0.00%	0.0%
1986	0.00%	0.0%
1985	0.00%	0.0%
1984	0.00%	0.0%
1983	0.00%	0.0%
1982	0.00%	0.0%
1981	0.00%	0.0%
1980	0.00%	-

FAQ

What is the current annual gross margin of SO?
As of today, SO annual gross margin is 29.85%
What is 1-year change in SO annual gross margin?
SO annual gross margin is down -6.57% year-over-year
What is 3-year change in SO annual gross margin?
SO annual gross margin is up +23.65% over the past 3 years
How far is SO annual gross margin from its all-time high?
SO annual gross margin is currently -30.58% below its historical high of 43.00% set on December 31, 1993
How does SO annual gross margin rank versus sector peers?
SO annual gross margin is higher than 60.00% 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

Quarterly Gross Margin

29.40%10.59%+56.30%

March 31, 2026

Summary

Current Value: As of today, SO quarterly gross margin is 29.40%, up +56.30% on March 31, 2026
Historical Performance: SO quarterly gross margin is down -7.23% year-over-year, up +21.64% over the past 3 years
All-Time High Comparison: SO quarterly gross margin is currently -60.08% below its historical high of 73.65% set on March 31, 1995
3-Year Low Comparison: SO quarterly gross margin is +56.30% above its 3-year low of 18.81% reached on December 31, 2025
Sector Comparison: SO quarterly gross margin is higher than 49.06% of companies in Utilities sector

Performance

SO Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Gross Margin	Mar 31, 26	29.40%	+56.3%	-7.2%	+21.6%	-10.8%
Annual Gross Margin	Dec 31, 25	29.85%	–	-6.6%	+23.6%	-3.6%
Price	May 13, 26	$93.14	-1.9%	+9.7%	+27.0%	+43.0%
PE Ratio	May 13, 26	23.82	-1.8%	+17.0%	+0.4%	+16.1%
Quarterly Revenue	Mar 31, 26	$8.40B	+20.3%	+8.0%	+29.6%	+41.7%
Quarterly Gross Profit	Mar 31, 26	$2.47B	+88.0%	+0.2%	+57.7%	+26.4%
Quarterly Operating Margin	Mar 31, 26	23.88%	+83.0%	-8.1%	+32.0%	-12.0%
Quarterly Net Margin	Mar 31, 26	15.93%	+226.4%	-2.5%	+29.2%	-14.7%

Quarterly Gross Margin Highs

SO Quarterly Gross Margin Highs Comparison
Period	High	Date	Current
1Y	36.84%	Sep 30, 25	-20.2%
3Y	37.89%	Sep 30, 24	-22.4%
5Y	37.89%	Sep 30, 24	-22.4%
All	73.65%	Mar 31, 95	-60.1%

Quarterly Gross Margin Lows

SO Quarterly Gross Margin Lows Comparison
Period	Low	Date	Current
1Y	18.81%	Dec 31, 25	+56.3%
3Y	18.81%	Dec 31, 25	+56.3%
5Y	12.10%	Dec 31, 22	+143.0%
All	-12.66%	Dec 31, 96	+332.2%

Quarterly Gross Margin History

Month	Value	Change
Mar 2026	29.40%	+56.3%
Dec 2025	18.81%	-48.9%
Sep 2025	36.84%	+17.9%
Jun 2025	31.26%	-1.4%
Mar 2025	31.69%	+56.3%
Dec 2024	20.28%	-46.5%
Sep 2024	37.89%	+6.6%
Jun 2024	35.53%	+13.7%
Mar 2024	31.25%	+32.3%
Dec 2023	23.62%	-36.8%
Sep 2023	37.38%	+32.8%
Jun 2023	28.15%	+16.5%
Mar 2023	24.17%	+99.8%
Dec 2022	12.10%	-58.7%
Sep 2022	29.30%	+1.6%
Jun 2022	28.83%	+12.2%
Mar 2022	25.70%	+63.5%
Dec 2021	15.72%	-54.4%
Sep 2021	34.50%	+17.0%
Jun 2021	29.49%	-10.6%
Mar 2021	32.97%	+45.4%
Dec 2020	22.67%	-40.8%
Sep 2020	38.32%	+18.7%
Jun 2020	32.28%	+8.1%
Mar 2020	29.87%	+68.9%
Dec 2019	17.69%	-56.3%
Sep 2019	40.44%	+28.1%
Jun 2019	31.56%	+14.2%
Mar 2019	27.64%	+51.5%
Dec 2018	18.24%	-48.9%
Sep 2018	35.69%	+38.0%
Jun 2018	25.87%	-6.8%
Mar 2018	27.76%	+11.2%
Dec 2017	24.97%	-35.4%
Sep 2017	38.65%	+26.1%
Jun 2017	30.64%	+3.9%
Mar 2017	29.49%	+40.1%
Dec 2016	21.05%	-43.0%
Sep 2016	36.94%	+8.3%
Jun 2016	34.11%	+8.9%
Mar 2016	31.31%	+13.2%
Dec 2015	27.65%	-27.6%
Sep 2015	38.20%	+21.3%
Jun 2015	31.50%	+8.2%
Mar 2015	29.12%	+31.5%
Dec 2014	22.15%	-39.5%
Sep 2014	36.60%	+21.2%
Jun 2014	30.20%	+5.7%
Mar 2014	28.57%	+6.8%
Dec 2013	26.76%	-27.9%
Sep 2013	37.13%	+19.6%
Jun 2013	31.04%	+12.5%
Mar 2013	27.59%	+0.5%
Dec 2012	27.44%	-27.9%
Sep 2012	38.05%	+24.8%
Jun 2012	30.50%	+16.8%
Mar 2012	26.11%	+26.6%
Dec 2011	20.62%	-39.2%
Sep 2011	33.90%	+16.5%
Jun 2011	29.09%	+12.7%
Mar 2011	25.82%	+52.0%
Dec 2010	16.99%	-45.1%
Sep 2010	30.97%	+18.9%
Jun 2010	26.05%	-0.9%
Mar 2010	26.28%	+46.3%
Dec 2009	17.96%	-43.8%

Month	Value	Change
Sep 2009	31.97%	+28.4%
Jun 2009	24.90%	+9.5%
Mar 2009	22.73%	+36.2%
Dec 2008	16.69%	-48.3%
Sep 2008	32.27%	+15.4%
Jun 2008	27.97%	+16.1%
Mar 2008	24.09%	+44.3%
Dec 2007	16.70%	-48.2%
Sep 2007	32.21%	+18.3%
Jun 2007	27.22%	+9.6%
Mar 2007	24.83%	+15.6%
Dec 2006	21.47%	-38.7%
Sep 2006	35.05%	+24.1%
Jun 2006	28.25%	+15.5%
Mar 2006	24.46%	+42.1%
Dec 2005	17.21%	-68.3%
Sep 2005	54.37%	-15.3%
Jun 2005	64.20%	+147.6%
Mar 2005	25.93%	-54.0%
Dec 2004	56.34%	-4.5%
Sep 2004	58.98%	+5.2%
Jun 2004	56.08%	-2.6%
Mar 2004	57.59%	+172.0%
Dec 2003	21.17%	-64.6%
Sep 2003	59.73%	-1.5%
Jun 2003	60.61%	+60.1%
Mar 2003	37.86%	+104.4%
Dec 2002	18.52%	-50.3%
Sep 2002	37.30%	+24.5%
Jun 2002	29.96%	+1.0%
Mar 2002	29.65%	+64.2%
Dec 2001	18.06%	-56.9%
Sep 2001	41.93%	+13.0%
Jun 2001	37.10%	+0.4%
Mar 2001	36.96%	+98.6%
Dec 2000	18.61%	-66.6%
Sep 2000	55.76%	+54.9%
Jun 2000	35.99%	-4.6%
Mar 2000	37.72%	+1.5%
Dec 1999	37.18%	-9.4%
Sep 1999	41.04%	+9.5%
Jun 1999	37.49%	+7.4%
Mar 1999	34.92%	+21.0%
Dec 1998	28.86%	-30.3%
Sep 1998	41.40%	+16.6%
Jun 1998	35.50%	-5.6%
Mar 1998	37.61%	+632.0%
Dec 1997	-7.07%	-112.9%
Sep 1997	54.99%	-13.0%
Jun 1997	63.18%	-0.5%
Mar 1997	63.47%	+601.3%
Dec 1996	-12.66%	-118.3%
Sep 1996	69.35%	+0.5%
Jun 1996	69.02%	+1.3%
Mar 1996	68.13%	+5,422.7%
Dec 1995	-1.28%	-101.8%
Sep 1995	71.72%	-0.1%
Jun 1995	71.78%	-2.5%
Mar 1995	73.65%	+1,071.6%
Dec 1994	-7.58%	-110.4%
Sep 1994	73.14%	+1.6%
Jun 1994	71.97%	+1.4%
Mar 1994	70.98%	+2.5%
Sep 1993	69.23%	+0.7%
Jun 1993	68.72%	-

FAQ

What is the current quarterly gross margin of SO?
As of today, SO quarterly gross margin is 29.40%
What is SO quarterly gross margin most recent change?
SO quarterly gross margin was up +56.30% on March 31, 2026
What is 1-year change in SO quarterly gross margin?
SO quarterly gross margin is down -7.23% year-over-year
How far is SO quarterly gross margin from its all-time high?
SO quarterly gross margin is currently -60.08% below its historical high of 73.65% set on March 31, 1995
How does SO quarterly gross margin rank versus sector peers?
SO quarterly gross margin is higher than 49.06% of companies in Utilities sector
When is SO next earnings release?
The next earnings release for SO is on July 30, 2026

Gross Margin Formula

Gross Margin = Gross Profit

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