Cemig (CIG) - Market capitalization

Market cap: £4.96 Billion

As of December 2025 Cemig has a market cap of £4.96 Billion. This makes Cemig the world's 2600th 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 Cemig from 2001 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£4.96 B	9.1%
2024	£4.54 B	0.61%
2023	£4.52 B	6.02%
2022	£4.26 B	27.01%
2021	£3.35 B	3.26%
2020	£3.25 B	-18.25%
2019	£3.97 B	-5.9%
2018	£4.22 B	117.56%
2017	£1.94 B	-20.16%
2016	£2.43 B	82.1%
2015	£1.33 B	-67.06%
2014	£4.05 B	-10.57%
2013	£4.53 B	-20.83%
2012	£5.72 B	-20.56%
2011	£7.21 B	14.48%
2010	£6.29 B	1.47%
2009	£6.20 B	66.84%
2008	£3.72 B	5.01%
2007	£3.54 B	13.24%
2006	£3.12 B	35.47%
2005	£2.30 B	70.6%
2004	£1.35 B	24.27%
2003	£1.08 B	125%
2002	£0.48 B	-52.42%
2001	£1.01 B

End of Day market cap according to different sources

On Dec 6th, 2025 the market cap of Cemig was reported to be:

£4.33 Billion

by Nasdaq

£4.96 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Copel ELP	£5.67 B	14.37%	🇧🇷 Brazil
FirstEnergy FE	£19.45 B	292.20%	🇺🇸 USA
Consolidated Edison ED	£26.15 B	427.10%	🇺🇸 USA
Companhia Siderúrgica Nacional SID	£1.63 B	-67.12%	🇧🇷 Brazil
Vale VALE	£41.40 B	734.48%	🇧🇷 Brazil

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 Cemig (CIG)

Market cap: £4.96 Billion