MGE Energy (MGEE) - Market capitalization

Market cap: A$3.91 Billion

As of May 2026 MGE Energy has a market cap of A$3.91 Billion. This makes MGE Energy the world's 4225th 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 2026

End of year Market Cap

Year	Marketcap	Change
2026	A$3.91 B	-8.33%
2025	A$4.27 B	-22.78%
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 May 14th, 2026 the market cap of MGE Energy was reported to be:

A$3.88 Billion

by Nasdaq

A$3.99 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Alliant Energy LNT	A$25.57 B	552.81%	🇺🇸 USA
Ameren AEE	A$41.14 B	949.93%	🇺🇸 USA
American Electric Power AEP	A$95.02 B	2,325.01%	🇺🇸 USA
CMS Energy CMS	A$30.89 B	688.41%	🇺🇸 USA
DTE Energy DTE	A$40.63 B	937.08%	🇺🇸 USA
WEC Energy Group WEC	A$49.60 B	1,165.90%	🇺🇸 USA
Xcel Energy XEL	A$67.89 B	1,632.81%	🇺🇸 USA
Otter Tail OTTR	A$5.14 B	31.36%	🇺🇸 USA
Allete ALE	A$5.50 B	40.56%	🇺🇸 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$3.91 Billion