Market capitalization of Southern Company (SO)

Market cap: €81.55 Billion

As of December 2025 Southern Company has a market cap of €81.55 Billion. This makes Southern Company the world's 216th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Southern Company from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	€81.55 B	-6.84%
2024	€87.53 B	26.54%
2023	€69.17 B	-4.55%
2022	€72.47 B	12.93%
2021	€64.17 B	21.66%
2020	€52.75 B	-11.9%
2019	€59.87 B	50.87%
2018	€39.68 B	-1.33%
2017	€40.22 B	-12.23%
2016	€45.82 B	17.48%
2015	€39.01 B	6.36%
2014	€36.67 B	38.86%
2013	€26.41 B	-5.98%
2012	€28.09 B	-8.56%
2011	€30.72 B	26.73%
2010	€24.24 B	27.2%
2009	€19.05 B	-7.39%
2008	€20.58 B	1.55%
2007	€20.26 B	-2.81%
2006	€20.85 B	-3.55%
2005	€21.61 B	17.93%
2004	€18.33 B	3.83%
2003	€17.65 B	-9.32%
2002	€19.46 B	-2.96%
2001	€20.06 B	-16.65%
2000	€24.07 B	54.76%
1999	€15.55 B	-8.7%
1998	€17.03 B	12.75%
1997	€15.11 B	17.07%
1996	€12.90 B

End of Day market cap according to different sources

On Dec 17th, 2025 the market cap of Southern Company was reported to be:

€81.59 Billion

by Nasdaq

€81.55 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Dominion Energy D	€43.68 B	-46.44%	🇺🇸 USA
Duke Energy DUK	€77.71 B	-4.70%	🇺🇸 USA
Entergy ETR	€34.90 B	-57.20%	🇺🇸 USA
American Electric Power AEP	€52.25 B	-35.93%	🇺🇸 USA
Nextera Energy NEE	€142.29 B	74.49%	🇺🇸 USA
FirstEnergy FE	€21.87 B	-73.18%	🇺🇸 USA
PPL PPL	€21.61 B	-73.49%	🇺🇸 USA
NRG Energy NRG	€24.60 B	-69.83%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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