Duke Energy (DUK) - Market capitalization

Market cap: £71.18 Billion

As of August 2026 Duke Energy has a market cap of £71.18 Billion. This makes Duke Energy the world's 251th 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 Duke Energy from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	£71.18 B	5.2%
2025	£67.66 B	1.46%
2024	£66.69 B	13.6%
2023	£58.70 B	-10.45%
2022	£65.55 B	9.65%
2021	£59.78 B	20.94%
2020	£49.43 B	-3.04%
2019	£50.98 B	3.15%
2018	£49.42 B	13.46%
2017	£43.56 B	0.52%
2016	£43.33 B	30.76%
2015	£33.14 B	-12.63%
2014	£37.93 B	28.44%
2013	£29.53 B	6.29%
2012	£27.78 B	47.31%
2011	£18.86 B	23.03%
2010	£15.33 B	10.14%
2009	£13.92 B	6.1%
2008	£13.12 B	2.33%
2007	£12.82 B	-39.84%
2006	£21.31 B	44.27%
2005	£14.77 B	16.99%
2004	£12.62 B	21.24%
2003	£10.41 B	-4.51%
2002	£10.90 B	-48.16%
2001	£21.03 B	-0.72%
2000	£21.19 B	86.29%
1999	£11.37 B	-18.77%
1998	£14.00 B	15.35%
1997	£12.14 B	122.97%
1996	£5.44 B

End of Day market cap according to different sources

On Aug 13th, 2026 the market cap of Duke Energy was reported to be:

£71.61 Billion

by Nasdaq

£71.61 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Ameren AEE	£22.40 B	-68.52%	🇺🇸 USA
American Electric Power AEP	£50.41 B	-29.17%	🇺🇸 USA
Dominion Energy D	£44.66 B	-37.25%	🇺🇸 USA
FirstEnergy FE	£20.15 B	-71.69%	🇺🇸 USA
Southern Company SO	£79.04 B	11.04%	🇺🇸 USA
Nextera Energy NEE	£132.88 B	86.68%	🇺🇸 USA
PPL PPL	£19.88 B	-72.06%	🇺🇸 USA
Xcel Energy XEL	£36.47 B	-48.76%	🇺🇸 USA
PG&E Corporation PCG	£28.74 B	-59.62%	🇺🇸 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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Market capitalization of Duke Energy (DUK)

Market cap: £71.18 Billion