FirstEnergy (FE) - Market capitalization

Market cap: £20.31 Billion

As of January 2026 FirstEnergy has a market cap of £20.31 Billion. This makes FirstEnergy the world's 883th 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	£20.31 B	5.6%
2025	£19.23 B	5.6%
2024	£18.21 B	10.34%
2023	£16.51 B	-16.69%
2022	£19.82 B	12.82%
2021	£17.56 B	44.18%
2020	£12.18 B	-39.19%
2019	£20.03 B	32.32%
2018	£15.14 B	50.25%
2017	£10.07 B	-5.78%
2016	£10.69 B	17.95%
2015	£9.06 B	-14%
2014	£10.54 B	26%
2013	£8.36 B	-22.54%
2012	£10.80 B	-9.35%
2011	£11.91 B	63.06%
2010	£7.31 B	-16.46%
2009	£8.75 B	-13.4%
2008	£10.10 B	-8.97%
2007	£11.10 B	12.96%
2006	£9.82 B	4.87%
2005	£9.37 B	38.04%
2004	£6.78 B	4.59%
2003	£6.49 B	6.05%
2002	£6.12 B	-14.77%
2001	£7.18 B	51.23%
2000	£4.74 B	45.48%
1999	£3.26 B	-29.7%
1998	£4.64 B	14.24%
1997	£4.06 B

End of Day market cap according to different sources

On Jan 20th, 2026 the market cap of FirstEnergy was reported to be:

£20.32 Billion

by Nasdaq

£20.31 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Consolidated Edison ED	£28.21 B	38.89%	🇺🇸 USA
PSEG PEG	£29.48 B	45.12%	🇺🇸 USA
Exelon Corporation EXC	£33.78 B	66.29%	🇺🇸 USA
American Electric Power AEP	£47.48 B	133.75%	🇺🇸 USA
PPL PPL	£20.31 B	0.01%	🇺🇸 USA
Dominion Energy D	£38.81 B	91.08%	🇺🇸 USA
Southern Company SO	£72.77 B	258.24%	🇺🇸 USA
Nextera Energy NEE	£129.41 B	537.05%	🇺🇸 USA
NRG Energy NRG	£21.43 B	5.51%	🇺🇸 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: £20.31 Billion