NRG Energy (NRG) - Market capitalization

Market cap: A$42.49 Billion

As of February 2026 NRG Energy has a market cap of A$42.49 Billion. This makes NRG Energy the world's 817th 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 NRG Energy from 2003 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	A$42.49 B	-8.53%
2025	A$46.46 B	55.15%
2024	A$29.94 B	74.79%
2023	A$17.13 B	59.03%
2022	A$10.77 B	-25.96%
2021	A$14.54 B	21.99%
2020	A$11.92 B	-15.64%
2019	A$14.13 B	-11.34%
2018	A$15.94 B	38.04%
2017	A$11.55 B	115.3%
2016	A$5.36 B	5.69%
2015	A$5.07 B	-54.21%
2014	A$11.08 B	6.34%
2013	A$10.42 B	46.07%
2012	A$7.13 B	75.61%
2011	A$4.06 B	-14.54%
2010	A$4.75 B	-28.77%
2009	A$6.67 B	-13.37%
2008	A$7.70 B	-34.33%
2007	A$11.73 B	35.03%
2006	A$8.69 B	67.24%
2005	A$5.19 B	28.17%
2004	A$4.05 B	-30.81%
2003	A$5.86 B

End of Day market cap according to different sources

On Feb 1st, 2026 the market cap of NRG Energy was reported to be:

A$42.10 Billion

by Nasdaq

A$42.49 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
AES AES	A$15.01 B	-64.66%	🇺🇸 USA
Edison International EIX	A$34.50 B	-18.82%	🇺🇸 USA
Exelon Corporation EXC	A$65.10 B	53.19%	🇺🇸 USA
Sempra SRE	A$81.74 B	92.36%	🇺🇸 USA
Southern Company SO	A$141.55 B	233.09%	🇺🇸 USA
Nextera Energy NEE	A$263.51 B	520.06%	🇺🇸 USA
Duke Energy DUK	A$135.84 B	219.64%	🇺🇸 USA
Entergy ETR	A$61.64 B	45.05%	🇺🇸 USA
OGE Energy OGE	A$12.96 B	-69.50%	🇺🇸 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 NRG Energy (NRG)

Market cap: A$42.49 Billion