Plug Power Inc.
Market Cap
$3.1B
Global Rank
#359
All-Time High
$9.9B
2009-12-31
Total Growth
+0%
since 2026
Market Cap Context
- Larger than 2% of the 367 companies we track (globally).
- Equivalent to 0.0% of United States's GDP (2025 data).
- Just above: #358 HSBC Holdings plc ($3.3B)
- Just below: #360 Lucid Group, Inc. ($2.6B)
- Best year: 2013 (+210%). Worst year: 2012 (-75%).
Plug Power Inc. Financial Breakdown (FY 2025)
Source: Yahoo Finance โ PLUG annual filings (2025) โ$0.7B revenue ยท $-0.7B operating income ยท $-1.6B net income
- โOperating margin: -95.7% on $0.7B in revenue.
- โR&D is 8.2% of revenue ($0.1B).
- โNet income margin: -229.8% โ $-1.6B in profit.
- โFree cash flow: $-0.7B (-93.2% of revenue).
Cost / Operating Expenses
Total operating expenses $1.4B
Total
$1.4B
Capital Expenditures
$0.1B
This fiscal year (near-total AI infrastructure buildout)
Free Cash Flow
$-0.7B
Trailing twelve months
Figures rounded from the annual SEC filing. Unaudited. For informational purposes only, not investment advice.
About Plug Power Inc.
Plug Power Inc. is an American company engaged in the development of hydrogen fuel cell and electrolyzer systems that replace conventional batteries in equipment and vehicles powered by electricity. The company is headquartered in Slingerlands, New York, and has facilities in Spokane, Washington, and Rochester, New York.
Plug Power Inc. Market Cap History (2026โ2026)
Plug Power Inc. vs Sector Peers by Market Cap
Compare Plug Power Inc.
Ranking History
| Year | Market Cap | Rank | YoY Change |
|---|---|---|---|
| 2026 | $3.1B | #359 | +12.7% |
| 2025 | $2.7B | #359 | -7.5% |
| 2024 | $3.0B | #359(โ6) | -52.7% |
| 2023 | $6.3B | #353 | +59.0% |
| 2022 | $3.9B | #353(โ2) | +0.0% |
| 2021 | $3.9B | #355(โ9) | +0.0% |
| 2020 | $3.9B | #346(โ13) | -10.4% |
| 2019 | $4.4B | #333(โ10) | +154.8% |
| 2018 | $1.7B | #323(โ11) | -47.5% |
| 2017 | $3.3B | #312(โ3) | +96.7% |
| 2016 | $1.7B | #309(โ8) | -43.1% |
| 2015 | $2.9B | #301(โ9) | -29.7% |
| 2014 | $4.2B | #292(โ3) | +93.5% |
| 2013 | $2.2B | #295(โ2) | +210.0% |
| 2012 | $697.5M | #297(โ21) | -75.5% |
| 2011 | $2.8B | #276(โ30) | -44.9% |
| 2010 | $5.2B | #246(โ64) | -47.9% |
| 2009 | $9.9B | #182(โ36) | +150.9% |
| 2008 | $3.9B | #218(โ29) | +0.0% |
| 2007 | $3.9B | #247(โ6) | +0.0% |
| 2006 | $3.9B | #241(โ16) | +0.0% |
| 2005 | $3.9B | #225(โ15) | +0.0% |
| 2004 | $3.9B | #210(โ21) | +0.0% |
| 2003 | $3.9B | #189(โ26) | +0.0% |
| 2002 | $3.9B | #163(โ12) | +0.0% |
| 2001 | $3.9B | #175(โ8) | +0.0% |
| 2000 | $3.9B | #167(โ41) | +0.0% |
| 1999 | $3.9B | #126 |
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FAQ
What is Plug Power Inc.'s market cap?
Plug Power Inc. (PLUG) has a market capitalization of $3.1B, making it the #359 largest company in the world by market cap.
What was Plug Power Inc.'s highest market cap?
Plug Power Inc.'s all-time high market cap was $9.9B, reached in 2009-12-31. Its highest rank was #182 in 2009.
What sector is Plug Power Inc. in?
Plug Power Inc. is in the Industrials sector, specifically the Electrical Equipment & Parts industry. It is based in United States.
How has Plug Power Inc.'s market cap changed over time?
Plug Power Inc. has been tracked since 2026. Its market cap has grown by 0% from $3.1B in 2026 to $3.1B today.