Plug Power Inc.
Market Cap
$3.9B
Global Rank
#357
All-Time High
$9.9B
2009-12-31
Total Growth
+0%
since 2026
About Plug Power Inc.
Plug Power Inc. (PLUG) is a United States-based company in the Electrical Equipment & Parts industry, part of the Industrials sector. With a current market capitalization of $3.9B, it is ranked #357 among the world's largest companies. Its market cap peaked at $9.9B and reached as high as rank #182 in 2009.
Plug Power Inc. Market Cap History (2026–2026)
Compare Plug Power Inc.
Ranking History
| Year | Market Cap | Rank | YoY Change |
|---|---|---|---|
| 2026 | $3.9B | #357(↑2) | +43.7% |
| 2025 | $2.7B | #359 | -7.5% |
| 2024 | $3.0B | #359(↓6) | -52.7% |
| 2023 | $6.3B | #353 | +59.0% |
| 2022 | $3.9B | #353(↑2) | +0.0% |
| 2021 | $3.9B | #355(↓9) | +0.0% |
| 2020 | $3.9B | #346(↓13) | -10.4% |
| 2019 | $4.4B | #333(↓10) | +154.8% |
| 2018 | $1.7B | #323(↓11) | -47.5% |
| 2017 | $3.3B | #312(↓3) | +96.7% |
| 2016 | $1.7B | #309(↓8) | -43.1% |
| 2015 | $2.9B | #301(↓9) | -29.7% |
| 2014 | $4.2B | #292(↑3) | +93.5% |
| 2013 | $2.2B | #295(↑2) | +210.0% |
| 2012 | $697.5M | #297(↓21) | -75.5% |
| 2011 | $2.8B | #276(↓30) | -44.9% |
| 2010 | $5.2B | #246(↓64) | -47.9% |
| 2009 | $9.9B | #182(↑36) | +150.9% |
| 2008 | $3.9B | #218(↑29) | +0.0% |
| 2007 | $3.9B | #247(↓6) | +0.0% |
| 2006 | $3.9B | #241(↓16) | +0.0% |
| 2005 | $3.9B | #225(↓15) | +0.0% |
| 2004 | $3.9B | #210(↓21) | +0.0% |
| 2003 | $3.9B | #189(↓26) | +0.0% |
| 2002 | $3.9B | #163(↑12) | +0.0% |
| 2001 | $3.9B | #175(↓8) | +0.0% |
| 2000 | $3.9B | #167(↓41) | +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 $3.9B, making it the #357 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 $3.9B in 2026 to $3.9B today.