MGE Energy (MGEE) - Market capitalization

Market cap: A$4.35 Billion

As of December 2025 MGE Energy has a market cap of A$4.35 Billion. This makes MGE Energy the world's 4004th 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 MGE Energy from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	A$4.35 B	-21.37%
2024	A$5.53 B	44.22%
2023	A$3.83 B	2.59%
2022	A$3.74 B	-8.81%
2021	A$4.10 B	24.57%
2020	A$3.29 B	-15.61%
2019	A$3.90 B	32.27%
2018	A$2.95 B	5.31%
2017	A$2.80 B	-10.78%
2016	A$3.14 B	42.23%
2015	A$2.20 B	14.29%
2014	A$1.93 B	29.2%
2013	A$1.49 B	31.96%
2012	A$1.13 B	7.49%
2011	A$1.05 B	8.36%
2010	A$0.97 B	5.81%
2009	A$0.91 B	-11.96%
2008	A$1.04 B	17.19%
2007	A$0.89 B	-9.46%
2006	A$0.98 B	3.87%
2005	A$0.94 B	-0.16%
2004	A$0.94 B	22.31%
2003	A$0.77 B	-7.06%
2002	A$0.83 B	-5.02%
2001	A$0.87 B	30.74%
2000	A$0.67 B	35.87%
1999	A$0.49 B	-17.16%
1998	A$0.59 B	5.25%
1997	A$0.56 B	38.49%
1996	A$0.40 B

End of Day market cap according to different sources

On Dec 19th, 2025 the market cap of MGE Energy was reported to be:

A$4.35 Billion

by Nasdaq

A$4.35 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Alliant Energy LNT	A$25.11 B	477.10%	🇺🇸 USA
CMS Energy CMS	A$31.82 B	631.21%	🇺🇸 USA
DTE Energy DTE	A$40.07 B	820.83%	🇺🇸 USA
Xcel Energy XEL	A$64.99 B	1,393.25%	🇺🇸 USA
WEC Energy Group WEC	A$51.11 B	1,074.50%	🇺🇸 USA
American Electric Power AEP	A$92.65 B	2,028.78%	🇺🇸 USA
Allete ALE	A$5.96 B	37.03%	🇺🇸 USA
Ameren AEE	A$40.27 B	825.34%	🇺🇸 USA
Otter Tail OTTR	A$5.20 B	19.54%	🇺🇸 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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Market capitalization of MGE Energy (MGEE)

Market cap: A$4.35 Billion