MGE Energy (MGEE) - Market capitalization

Market cap: £2.16 Billion

As of December 2025 MGE Energy has a market cap of £2.16 Billion. This makes MGE Energy the world's 4002th 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	£2.16 B	-21.19%
2024	£2.74 B	33.67%
2023	£2.05 B	-2.46%
2022	£2.10 B	-4.5%
2021	£2.20 B	18.6%
2020	£1.85 B	-10.84%
2019	£2.08 B	27.25%
2018	£1.63 B	1.17%
2017	£1.61 B	-11.78%
2016	£1.83 B	69.02%
2015	£1.08 B	6.88%
2014	£1.01 B	25.59%
2013	£0.80 B	10.98%
2012	£0.72 B	4.76%
2011	£0.69 B	8.63%
2010	£0.64 B	25.42%
2009	£0.51 B	1.52%
2008	£0.50 B	28.18%
2007	£0.39 B	-0.99%
2006	£0.39 B	-1.48%
2005	£0.40 B	5.09%
2004	£0.38 B	18.65%
2003	£0.32 B	9.91%
2002	£0.29 B	-5.18%
2001	£0.30 B	22.85%
2000	£0.25 B	25.16%
1999	£0.20 B	-8.51%
1998	£0.22 B	-2.28%
1997	£0.22 B	18.39%
1996	£0.19 B

End of Day market cap according to different sources

On Dec 9th, 2025 the market cap of MGE Energy was reported to be:

£2.15 Billion

by Nasdaq

£2.15 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Alliant Energy LNT	£12.47 B	477.17%	🇺🇸 USA
CMS Energy CMS	£15.96 B	638.17%	🇺🇸 USA
DTE Energy DTE	£20.21 B	835.01%	🇺🇸 USA
Xcel Energy XEL	£33.06 B	1,429.24%	🇺🇸 USA
WEC Energy Group WEC	£25.25 B	1,068.22%	🇺🇸 USA
American Electric Power AEP	£45.77 B	2,017.00%	🇺🇸 USA
Allete ALE	£2.94 B	36.31%	🇺🇸 USA
Ameren AEE	£19.81 B	816.22%	🇺🇸 USA
Otter Tail OTTR	£2.61 B	20.96%	🇺🇸 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: £2.16 Billion