Plug Power (PLUG) - Market capitalization

Market cap: $0.91 Billion USD

As of May 2025 Plug Power has a market cap of $0.91 Billion USD. This makes Plug Power the world's 5713th 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	$0.91 B	-58.03%
2024	$2.16 B	-20.41%
2023	$2.72 B	-62.21%
2022	$7.21 B	-55.68%
2021	$16.27 B	15.45%
2020	$14.09 B	1370.04%
2019	$0.95 B	252.77%
2018	$0.27 B	-49.6%
2017	$0.53 B	148.78%
2016	$0.21 B	-42.96%
2015	$0.37 B	-26.9%
2014	$0.51 B	215.8%
2013	$0.16 B	760.88%
2012	$19.11 M	-58.78%
2011	$46.38 M	-5.21%
2010	$48.93 M	-46.82%
2009	$92.01 M	2.07%
2008	$90.15 M	-74.03%
2007	$0.34 B	2.82%
2006	$0.33 B	-23.32%
2005	$0.44 B	-1.61%
2004	$0.44 B	-15.26%
2003	$0.52 B	130.66%
2002	$0.22 B	-47.94%
2001	$0.43 B	-31.62%
2000	$0.64 B	-47.07%
1999	$1.21 B

End of Day market cap according to different sources

On May 11th, 2025 the market cap of Plug Power was reported to be:

$0.79 Billion USD

by Nasdaq

$0.88 Billion USD

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Ballard Power Systems BLDP	$0.43 B	-52.49%	🇨🇦 Canada
FuelCell Energy FCEL	$0.10 B	-88.58%	🇺🇸 USA
Capstone Green Energy CGRN	$6.78 M	-99.25%	🇺🇸 USA
Walmart WMT	$765.28 B	83,989.59%	🇺🇸 USA
Procter & Gamble PG	$374.49 B	41,049.36%	🇺🇸 USA
Air Products and Chemicals APD	$62.12 B	6,726.83%	🇺🇸 USA
Lowe's Companies LOW	$129.66 B	14,147.22%	🇺🇸 USA
General Electric GE	$231.21 B	25,305.89%	🇺🇸 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: $0.91 Billion USD