Plug Power Inc (NASDAQ:PLUG) — Market Cap & Net Worth

$2.63 Billion USD  · Rank #5342

Market Cap & Net Worth: Plug Power Inc (PLUG)

Plug Power Inc (NASDAQ:PLUG) has a market capitalization of $2.63 Billion ($2.63 Billion) as of May 2, 2026. Listed on the NASDAQ stock exchange, this USA-based company holds position #5342 globally and #1682 in its home market, demonstrating a -2.20% decrease in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying Plug Power Inc's stock price $3.11 by its total outstanding shares 1391635243 (1.39 Billion). Analyse Plug Power Inc (PLUG) cash conversion ratio to see how efficiently the company converts income to cash.

Plug Power Inc Market Cap History: 2015 to 2026

Plug Power Inc's market capitalization history from 2015 to 2026. Data shows growth from $2.94 Billion to $4.33 Billion (2.09% CAGR).

Index Memberships

Plug Power Inc is a constituent of 1 market index:

Index Total Market Cap Weight (%) Rank by Market Cap
NASDAQ Composite
IXIC
$38.77 Trillion 0.01% #579 of 3165

Weight: Plug Power Inc's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.

Plug Power Inc Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how Plug Power Inc's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance.

Latest Price to Sales (P/S) Ratio

4.71x

Plug Power Inc's market cap is 4.71 times its annual revenue

Industry average: 0.56x Higher than industry average

Latest Price to Earnings (P/E) Ratio

N/A

P/E ratio not applicable due to negative or zero earnings

What These Ratios Tell Investors:

  • Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
  • Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
  • Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
  • Industry comparison provides context for whether the company is valued higher or lower than peers.
Year Market Cap (USD) Revenue (USD) Net Income (USD) P/S Ratio P/E Ratio
2015 $2.94 Billion $103.29 Million -$55.69 Million 28.43x N/A
2016 $1.67 Billion $85.93 Million -$57.49 Million 19.43x N/A
2017 $3.28 Billion $132.93 Million -$127.08 Million 24.71x N/A
2018 $1.73 Billion $174.22 Million -$78.11 Million 9.91x N/A
2019 $4.40 Billion $229.97 Million -$85.47 Million 19.12x N/A
2020 $47.19 Billion $-93.24 Million -$596.15 Million -506.13x N/A
2021 $39.29 Billion $502.34 Million -$459.96 Million 78.21x N/A
2022 $17.21 Billion $701.44 Million -$724.01 Million 24.54x N/A
2023 $6.26 Billion $891.34 Million -$1.37 Billion 7.03x N/A
2024 $2.96 Billion $628.81 Million -$2.10 Billion 4.71x N/A

Competitor Companies of PLUG by Market Capitalization

Companies near Plug Power Inc in the global market cap rankings as of May 2, 2026.

Key companies related to Plug Power Inc by market ranking:

  • Contemporary Amperex Technology Co Ltd Class A (SHE:300750): Ranked #59 globally with a market cap of $281.23 Billion USD ( CN¥1.92 Trillion CNY).
  • ABB Ltd (SW:ABBN): Ranked #181 globally with a market cap of $127.26 Billion USD ( CHF100.66 Billion CHF).
  • Delta Electronics (Thailand) Public Company Limited (BK:DELTA): Ranked #190 globally with a market cap of $122.86 Billion USD ( ฿3.94 Trillion THB).
  • Vertiv Holdings Co (NYSE:VRT): Ranked #286 globally with a market cap of $89.72 Billion USD.
Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#59 Contemporary Amperex Technology Co Ltd Class A SHE:300750 $281.23 Billion CN¥436.00
#181 ABB Ltd SW:ABBN $127.26 Billion CHF78.44
#190 Delta Electronics (Thailand) Public Company Limited BK:DELTA $122.86 Billion ฿316.00
#286 Vertiv Holdings Co NYSE:VRT $89.72 Billion $328.31

Plug Power Inc Historical Marketcap From 2015 to 2026

Between 2015 and today, Plug Power Inc's market cap moved from $2.94 Billion to $ 4.33 Billion, with a yearly change of 2.09%.

Year Market Cap Change (%)
2026 $4.33 Billion +57.87%
2025 $2.74 Billion -7.51%
2024 $2.96 Billion -52.67%
2023 $6.26 Billion -63.62%
2022 $17.21 Billion -56.18%
2021 $39.29 Billion -16.75%
2020 $47.19 Billion +973.10%
2019 $4.40 Billion +154.84%
2018 $1.73 Billion -47.46%
2017 $3.28 Billion +96.67%
2016 $1.67 Billion -43.13%
2015 $2.94 Billion --

End of Day Market Cap According to Different Sources

On May 2nd, 2026 the market cap of Plug Power Inc was reported to be:

Source Market Cap
Yahoo Finance $2.63 Billion USD
MoneyControl $2.63 Billion USD
MarketWatch $2.63 Billion USD
marketcap.company $2.63 Billion USD
Reuters $2.63 Billion USD

Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.

About Plug Power Inc

NASDAQ:PLUG USA Electrical Equipment & Parts
Market Cap
$4.33 Billion
Market Cap Rank
#5342 Global
#1682 in USA
Share Price
$3.11
Change (1 day)
-0.64%
52-Week Range
$0.70 - $4.13
All Time High
$73.18
About

Plug Power Inc. develops hydrogen fuel cells product solutions in North America, Europe, Asia, and internationally. The company offers GenDrive, a hydrogen fueled proton exchange membrane fuel cell system that provides power to material handling electric vehicles; GenSure, a stationary fuel cell solution that offers modular PEM fuel cell power to support the backup and grid-support power requirem… Read more