FirstEnergy (FE) - Market capitalization

Market cap: €23.04 Billion

As of September 2026 FirstEnergy has a market cap of €23.04 Billion. This makes FirstEnergy the world's 922th 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 FirstEnergy from 1997 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	€23.04 B	4.48%
2025	€22.05 B	0.38%
2024	€21.97 B	15.45%
2023	€19.02 B	-14.88%
2022	€22.35 B	6.76%
2021	€20.93 B	55.07%
2020	€13.50 B	-42.43%
2019	€23.45 B	39.59%
2018	€16.80 B	48.01%
2017	€11.35 B	-9.53%
2016	€12.54 B	2.09%
2015	€12.29 B	-8.95%
2014	€13.50 B	35.04%
2013	€9.99 B	-24.28%
2012	€13.20 B	-7.45%
2011	€14.26 B	68.15%
2010	€8.48 B	-14.15%
2009	€9.88 B	-6.7%
2008	€10.59 B	-29.86%
2007	€15.10 B	3.53%
2006	€14.58 B	6.94%
2005	€13.64 B	41.99%
2004	€9.60 B	4.18%
2003	€9.22 B	-1.76%
2002	€9.38 B	-20.37%
2001	€11.78 B	56.71%
2000	€7.52 B	43.54%
1999	€5.24 B	-19.43%
1998	€6.50 B	15.63%
1997	€5.62 B

End of Day market cap according to different sources

On Sep 17th, 2026 the market cap of FirstEnergy was reported to be:

€23.03 Billion

by Nasdaq

€23.04 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
American Electric Power AEP	€57.65 B	150.21%	🇺🇸 USA
Consolidated Edison ED	€34.48 B	49.66%	🇺🇸 USA
Dominion Energy D	€49.23 B	113.69%	🇺🇸 USA
Exelon Corporation EXC	€38.25 B	66.02%	🇺🇸 USA
NRG Energy NRG	€19.44 B	-15.61%	🇺🇸 USA
Southern Company SO	€86.91 B	277.18%	🇺🇸 USA
Nextera Energy NEE	€147.64 B	540.74%	🇺🇸 USA
PPL PPL	€22.01 B	-4.44%	🇺🇸 USA
PSEG PEG	€30.80 B	33.70%	🇺🇸 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 FirstEnergy (FE)

Market cap: €23.04 Billion