Duke Energy (DUK) - Market capitalization

Market cap: C$128.12 Billion

As of September 2026 Duke Energy has a market cap of C$128.12 Billion. This makes Duke Energy the world's 260th 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	C$128.12 B	2.67%
2025	C$124.79 B	3.91%
2024	C$120.09 B	21.07%
2023	C$99.19 B	-7.82%
2022	C$107.61 B	4.63%
2021	C$102.85 B	19.71%
2020	C$85.91 B	-1.6%
2019	C$87.31 B	2.17%
2018	C$85.46 B	15.46%
2017	C$74.02 B	3%
2016	C$71.86 B	5.47%
2015	C$68.13 B	-0.59%
2014	C$68.54 B	32.16%
2013	C$51.86 B	16.12%
2012	C$44.66 B	49.76%
2011	C$29.82 B	26.05%
2010	C$23.66 B	-0.18%
2009	C$23.70 B	1.38%
2008	C$23.38 B	-7.98%
2007	C$25.41 B	-47.72%
2006	C$48.60 B	63.88%
2005	C$29.65 B	1.86%
2004	C$29.11 B	20.48%
2003	C$24.16 B	-12.51%
2002	C$27.62 B	-43.16%
2001	C$48.59 B	2.56%
2000	C$47.38 B	78.74%
1999	C$26.51 B	-25.95%
1998	C$35.80 B	25.64%
1997	C$28.49 B	123.14%
1996	C$12.77 B

End of Day market cap according to different sources

On Sep 19th, 2026 the market cap of Duke Energy was reported to be:

C$128.12 Billion

by Nasdaq

C$128.12 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Ameren AEE	C$39.57 B	-69.12%	🇺🇸 USA
American Electric Power AEP	C$91.34 B	-28.71%	🇺🇸 USA
Dominion Energy D	C$78.18 B	-38.98%	🇺🇸 USA
FirstEnergy FE	C$36.61 B	-71.42%	🇺🇸 USA
Southern Company SO	C$137.55 B	7.36%	🇺🇸 USA
Nextera Energy NEE	C$234.69 B	83.18%	🇺🇸 USA
PPL PPL	C$35.08 B	-72.62%	🇺🇸 USA
Xcel Energy XEL	C$63.14 B	-50.72%	🇺🇸 USA
PG&E Corporation PCG	C$40.64 B	-68.28%	🇺🇸 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: C$128.12 Billion