Plug Power (PLUG) - Market capitalization

Market cap: S$4.10 Billion

As of December 2025 Plug Power has a market cap of S$4.10 Billion. This makes Plug Power the world's 3837th 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 Plug Power from 1999 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	S$4.10 B	39.36%
2024	S$2.94 B	-18.09%
2023	S$3.59 B	-62.77%
2022	S$9.66 B	-56.05%
2021	S$21.99 B	17.98%
2020	S$18.64 B	1342.52%
2019	S$1.29 B	248.13%
2018	S$0.37 B	-48.52%
2017	S$0.72 B	129.91%
2016	S$0.31 B	-41.64%
2015	S$0.53 B	-21.74%
2014	S$0.68 B	229.35%
2013	S$0.20 B	791.91%
2012	S$23.38 M	-61.08%
2011	S$60.06 M	-4.7%
2010	S$63.03 M	-51.21%
2009	S$0.12 B	0.2%
2008	S$0.12 B	-74.19%
2007	S$0.49 B	-3.51%
2006	S$0.51 B	-29.38%
2005	S$0.73 B	0.41%
2004	S$0.73 B	-18.63%
2003	S$0.89 B	125.86%
2002	S$0.39 B	-51.2%
2001	S$0.81 B	-26.97%
2000	S$1.11 B	-44.9%
1999	S$2.02 B

End of Day market cap according to different sources

On Dec 15th, 2025 the market cap of Plug Power was reported to be:

S$3.98 Billion

by Nasdaq

S$3.98 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Ballard Power Systems BLDP	S$1.02 B	-74.99%	🇨🇦 Canada
FuelCell Energy FCEL	S$0.52 B	-87.33%	🇺🇸 USA
Capstone Green Energy CGRN	S$8.75 M	-99.79%	🇺🇸 USA
Walmart WMT	S$1.186 T	28,775.79%	🇺🇸 USA
Procter & Gamble PG	S$438.10 B	10,564.53%	🇺🇸 USA
Air Products and Chemicals APD	S$69.50 B	1,592.05%	🇺🇸 USA
Lowe's Companies LOW	S$178.22 B	4,238.39%	🇺🇸 USA
General Electric GE	S$408.35 B	9,840.40%	🇺🇸 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 Plug Power (PLUG)

Market cap: S$4.10 Billion