Companies: 10,795·Total market cap: $144.5T
Plug Power Inc.

Plug Power Inc.

PLUGNASDAQIndustrials● Active
$3.19
$-0.03(-0.78%)
Market Cap$3.7B
P/E Ratio
52W High$4.58
52W Low$0.86

Plug Power Inc. (PLUG) Free Cash Flow & Analysis

Annual & trailing free cash flow, FCF margin, YoY change, valuation ratios, and peer context.

PLUG · free cash flow · updated Jun 8, 2026

Core FCF metrics

Free cash flow was −$661.5M for FY2025 (fiscal year ending 2025-12-31), up 37.8% year-over-year The FCF margin was -93.2%.

FY2025 Free Cash Flow−$661.5M▲ +37.8% YoY
Trailing 12M (TTM)−$666.2Mtrailing 4 quarters sum
FCF Margin-93.2%−$661.5M ÷ revenue
3-Year CAGRN/AN/A — contains negative FCF
5-Year CAGRN/AN/A — contains negative FCF
FormulaFCF = Operating Cash Flow − Capital ExpendituresTTM = trailing 4 quarters sumCAGR → N/A if either endpoint ≤ 0
Source: FMP /cash-flow-statement · SEC 10-K / 10-Q · USDUpdated: Jun 8, 2026

Annual free cash flow history

Positive FCFNegative FCF
Free Cash Flow
YoY Growth %
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Annual free cash flow data

Fiscal YearFree Cash FlowYoY ChangeFCF Margin
FY2025Latest−$661.5M▲ +37.8%-93.2%
FY2024−$1.06B▲ +41.0%-169.0%
FY2023−$1.80B▼ 66.2%-202.3%
FY2022−$1.08B▼ 96.7%-154.6%
FY2021−$551.4M▼ 168.1%-109.8%
FCF = Operating Cash Flow − Capital Expenditures · CapEx shown as (negative) · Source: SEC filings via FMP
plug free cash flow 2025 · plug free cash flow 2024 · plug free cash flow 2023 · plug operating cash flow

FCF valuation metrics

Plug Power Inc. (PLUG) reported negative free cash flow of −$0.66B. FCF-based valuation ratios are not meaningful when FCF is negative.

FCF Yield (TTM)
N/A
Free Cash Flow ÷ Market Cap
per FMP freeCashFlowYieldTTM definition
FCF per Share (TTM)
N/A
TTM FCF ÷ Shares Outstanding
Price / FCF
N/A
Share Price ÷ FCF per Share
EV / FCF (TTM)
N/A
Enterprise Value basis
!

FCF-based valuation ratios are only meaningful when free cash flow is positive. Negative FCF indicates capital expenditures exceeded operating cash flow.

Source: FMP /key-metrics-ttm · /cash-flow-statement Q · /income-statementFY2025 · 2025-12-31
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Cash flow statement summary

For FY2025, Plug Power Inc. generated −$535.8M in operating cash flow and spent 126M in capital expenditures, yielding −$661.5M in free cash flow.

Operating Activities
−$535.8M
Cash from core business operations
2025-12-31
Investing Activities
−$137.2M
CapEx, acquisitions & investments
2025-12-31
Financing Activities
+$628.2M
Buybacks, dividends & debt
2025-12-31
FCF FormulaOperating CF (−$535.8M) − |CapEx| (126M) = FCF (−$661.5M)

For the complete Operating / Investing / Financing line-item breakdown:

View Full Cash Flow Statement
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Free cash flow vs peers (Industrials)

#CompanyFree Cash FlowYoY
#1
Plug Power Inc.
Plug Power Inc.YOU
PLUG
−$661.5M+37.8%
#2
Caterpillar Inc.
Caterpillar Inc.
CAT
$10.27B+16.5%
#3
RTX Corporation
RTX Corporation
RTX
$7.94B+75.1%
#4
GE Aerospace
GE Aerospace
GE
$7.26B+97.5%
#5
The Boeing Company
The Boeing Company
BA
−$1.88B+87.0%
#6
Space Exploration Technologies Corp.
Space Exploration Technologies Corp.
SPCX
−$13.95B-159.0%
Industrials · Sorted by FCF · FMP /cash-flow-statementFull FCF Rankings →

About Free Cash Flow & Methodology

Plug Power Inc. (PLUG) reported free cash flow of −$661.5M for FY2025 (fiscal year ending 2025-12-31), up 37.8% year-over-year. The FCF margin was -93.2%.

Plug Power Inc. has reported negative free cash flow in recent periods, indicating capital expenditures have exceeded operating cash flow. Data available for 15 fiscal years.

Data sourced from FMP /cash-flow-statement · SEC 10-K / 10-Q · USD.

Q&A and summaries align with SEC 10-K/10-Q cash flow disclosures and FMP /cash-flow-statement where noted.

Frequently asked questions

PLUG free cash flow · 8 questions

Plug Power Inc. free cash flow was −$661.5M for FY2025, up 37.8% year-over-year. On a trailing twelve-month (TTM) basis, free cash flow stands at −$666.2M.

PLUG free cash flowPLUG FCFPLUG FCF 2025PLUG free cash flow TTM

Source: FMP /cash-flow-statement · US GAAP · Plug Power Inc. · Plug Power Inc. SEC 10-K & 10-Q filings · US GAAP · Last updated: Jun 8, 2026