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Plug Funding History

Since Plug was founded in 1997, it has participated in 18 rounds of funding. In total Plug has raised $7.0B. Plug's last funding round was on Nov 2025 for a total of $399.4M.

Plug Funding Rounds

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ROUND

FUNDING DATE

AMOUNT

NUMBER OF INVESTORS

INVESTORS

Post-IPO Debt
Nov 2025
$399.4M
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Post-IPO Equity
Oct 2025
$370M
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Post-IPO Debt
Apr 2025
$525M
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Post-IPO Debt
Jan 2025
$1.7B
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Post-IPO Equity
Oct 2024
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1
Norges Bank

Total Funding: $7B

Plug Investors

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INVESTOR

ROUND

FUNDING DATE

Norges Bank
Post-IPO Equity
Oct 2024
Department of Energy
Post-IPO Debt
May 2024
SK Group
Minority Stake
Jan 2021
Generate Capital
Post-IPO Debt
Apr 2019, Mar 2016
NY Green Bank
Post-IPO Debt
Dec 2016

Total Investors: 10

Plug has 10 investors, including Norges Bank, Department of Energy and SK Group. The latest investment occurred in Nov 2025.