Plug Power (PLUG) - Market capitalization

Market cap: NZ$4.88 Billion

As of December 2025 Plug Power has a market cap of NZ$4.88 Billion. This makes Plug Power the world's 4040th 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	NZ$4.88 B	27.07%
2024	NZ$3.84 B	-10.75%
2023	NZ$4.30 B	-62.06%
2022	NZ$11.35 B	-52.32%
2021	NZ$23.82 B	21.96%
2020	NZ$19.53 B	1272.12%
2019	NZ$1.42 B	251.35%
2018	NZ$0.40 B	-46.64%
2017	NZ$0.75 B	142.65%
2016	NZ$0.31 B	-43.64%
2015	NZ$0.55 B	-16.31%
2014	NZ$0.66 B	231.22%
2013	NZ$0.20 B	761.8%
2012	NZ$23.24 M	-60.89%
2011	NZ$59.42 M	-6.3%
2010	NZ$63.42 M	-49.94%
2009	NZ$0.12 B	-18.45%
2008	NZ$0.15 B	-65.72%
2007	NZ$0.45 B	-5.44%
2006	NZ$0.47 B	-25.61%
2005	NZ$0.64 B	2.71%
2004	NZ$0.62 B	-22.8%
2003	NZ$0.81 B	85.71%
2002	NZ$0.43 B	-58.69%
2001	NZ$1.05 B	-27.03%
2000	NZ$1.45 B	-37.58%
1999	NZ$2.32 B

End of Day market cap according to different sources

On Dec 22nd, 2025 the market cap of Plug Power was reported to be:

NZ$5.03 Billion

by Nasdaq

NZ$5.02 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Ballard Power Systems BLDP	NZ$1.37 B	-71.85%	🇨🇦 Canada
FuelCell Energy FCEL	NZ$0.71 B	-85.29%	🇺🇸 USA
Capstone Green Energy CGRN	NZ$11.62 M	-99.76%	🇺🇸 USA
Walmart WMT	NZ$1.514 T	30,893.17%	🇺🇸 USA
Procter & Gamble PG	NZ$573.94 B	11,646.51%	🇺🇸 USA
Air Products and Chemicals APD	NZ$93.31 B	1,809.80%	🇺🇸 USA
Lowe's Companies LOW	NZ$232.64 B	4,661.35%	🇺🇸 USA
General Electric GE	NZ$573.07 B	11,628.63%	🇺🇸 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: NZ$4.88 Billion