Market capitalization of Southern Company (SO)

Market cap: NZ$175.71 Billion

As of February 2026 Southern Company has a market cap of NZ$175.71 Billion. This makes Southern Company the world's 208th 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 2026

End of year Market Cap

Year	Marketcap	Change
2026	NZ$175.71 B	6.02%
2025	NZ$165.73 B	2.6%
2024	NZ$161.52 B	33.57%
2023	NZ$120.92 B	-1.24%
2022	NZ$122.44 B	15.07%
2021	NZ$106.40 B	18.33%
2020	NZ$89.92 B	-9.71%
2019	NZ$99.59 B	47.14%
2018	NZ$67.68 B	-0.4%
2017	NZ$67.95 B	-2.35%
2016	NZ$69.59 B	11.67%
2015	NZ$62.32 B	9.47%
2014	NZ$56.93 B	28.26%
2013	NZ$44.38 B	-1.73%
2012	NZ$45.17 B	-11.64%
2011	NZ$51.12 B	22.31%
2010	NZ$41.79 B	11.18%
2009	NZ$37.59 B	-24.17%
2008	NZ$49.57 B	28.35%
2007	NZ$38.62 B	-1.08%
2006	NZ$39.05 B	4.24%
2005	NZ$37.46 B	7.51%
2004	NZ$34.84 B	1.91%
2003	NZ$34.19 B	-12.07%
2002	NZ$38.88 B	-8.86%
2001	NZ$42.67 B	-16.61%
2000	NZ$51.17 B	70.86%
1999	NZ$29.94 B	-21.93%
1998	NZ$38.36 B	24.15%
1997	NZ$30.89 B	42.52%
1996	NZ$21.68 B

End of Day market cap according to different sources

On Feb 23rd, 2026 the market cap of Southern Company was reported to be:

NZ$178.68 Billion

by Nasdaq

NZ$175.71 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
American Electric Power AEP	NZ$119.72 B	-31.86%	🇺🇸 USA
Dominion Energy D	NZ$91.95 B	-47.67%	🇺🇸 USA
FirstEnergy FE	NZ$48.85 B	-72.20%	🇺🇸 USA
NRG Energy NRG	NZ$63.89 B	-63.64%	🇺🇸 USA
Nextera Energy NEE	NZ$328.57 B	86.99%	🇺🇸 USA
Duke Energy DUK	NZ$166.61 B	-5.18%	🇺🇸 USA
Entergy ETR	NZ$79.53 B	-54.74%	🇺🇸 USA
PPL PPL	NZ$46.21 B	-73.70%	🇺🇸 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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