Market capitalization of Alliant Energy (LNT)

Market cap: NZ$32.19 Billion

As of March 2026 Alliant Energy has a market cap of NZ$32.19 Billion. This makes Alliant Energy the world's 1187th 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 Alliant Energy from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	NZ$32.19 B	11.19%
2025	NZ$28.95 B	6.89%
2024	NZ$27.08 B	30.87%
2023	NZ$20.70 B	-5.17%
2022	NZ$21.82 B	-3.12%
2021	NZ$22.53 B	26.32%
2020	NZ$17.83 B	-10.4%
2019	NZ$19.90 B	33.89%
2018	NZ$14.86 B	7.19%
2017	NZ$13.87 B	11.47%
2016	NZ$12.44 B	20.2%
2015	NZ$10.35 B	10.09%
2014	NZ$9.40 B	34.99%
2013	NZ$6.96 B	17.59%
2012	NZ$5.92 B	-5.55%
2011	NZ$6.27 B	18.68%
2010	NZ$5.28 B	14.65%
2009	NZ$4.61 B	-16.99%
2008	NZ$5.55 B	-5.27%
2007	NZ$5.86 B	-5.92%
2006	NZ$6.23 B	29.79%
2005	NZ$4.80 B	3.5%
2004	NZ$4.63 B	9.14%
2003	NZ$4.25 B	45.61%
2002	NZ$2.91 B	-55.48%
2001	NZ$6.55 B	15.38%
2000	NZ$5.68 B	36.73%
1999	NZ$4.15 B	-12.51%
1998	NZ$4.75 B	170.3%
1997	NZ$1.75 B	43.46%
1996	NZ$1.22 B

End of Day market cap according to different sources

On Mar 30th, 2026 the market cap of Alliant Energy was reported to be:

NZ$32.19 Billion

by Nasdaq

NZ$32.19 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Ameren AEE	NZ$53.10 B	64.93%	🇺🇸 USA
CMS Energy CMS	NZ$41.65 B	29.36%	🇺🇸 USA
DTE Energy DTE	NZ$53.21 B	65.29%	🇺🇸 USA
WEC Energy Group WEC	NZ$65.79 B	104.34%	🇺🇸 USA
Duke Energy DUK	NZ$179.52 B	457.57%	🇺🇸 USA
Xcel Energy XEL	NZ$86.50 B	168.67%	🇺🇸 USA
MGE Energy MGEE	NZ$4.99 B	-84.48%	🇺🇸 USA
Allete ALE	NZ$6.90 B	-78.54%	🇺🇸 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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