NRG Energy (NRG) - Market capitalization

Market cap: HK$251.00 Billion

As of December 2025 NRG Energy has a market cap of HK$251.00 Billion. This makes NRG Energy the world's 726th 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 2025

End of year Market Cap

Year	Marketcap	Change
2025	HK$251.00 B	73.58%
2024	HK$144.60 B	58.63%
2023	HK$91.15 B	59.15%
2022	HK$57.27 B	-30.36%
2021	HK$82.24 B	15.69%
2020	HK$71.09 B	-7.77%
2019	HK$77.08 B	-12.37%
2018	HK$87.96 B	24.84%
2017	HK$70.45 B	134.94%
2016	HK$29.98 B	4.63%
2015	HK$28.66 B	-59.27%
2014	HK$70.37 B	-2.4%
2013	HK$72.10 B	25.43%
2012	HK$57.48 B	77.63%
2011	HK$32.36 B	-13.9%
2010	HK$37.58 B	-19.16%
2009	HK$46.49 B	10.67%
2008	HK$42.01 B	-47.48%
2007	HK$79.99 B	50.13%
2006	HK$53.28 B	80.73%
2005	HK$29.48 B	20.91%
2004	HK$24.38 B	-27.78%
2003	HK$33.76 B

End of Day market cap according to different sources

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

HK$248.78 Billion

by Nasdaq

HK$251.00 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Edison International EIX	HK$169.59 B	-32.43%	🇺🇸 USA
Southern Company SO	HK$732.53 B	191.85%	🇺🇸 USA
OGE Energy OGE	HK$69.08 B	-72.47%	🇺🇸 USA
AES AES	HK$77.36 B	-69.18%	🇺🇸 USA
Duke Energy DUK	HK$697.39 B	177.84%	🇺🇸 USA
Exelon Corporation EXC	HK$343.93 B	37.03%	🇺🇸 USA
Nextera Energy NEE	HK$1.290 T	414.22%	🇺🇸 USA
Entergy ETR	HK$324.00 B	29.09%	🇺🇸 USA
Sempra Energy SRE	HK$448.58 B	78.72%	🇺🇸 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: HK$251.00 Billion