Free cash flow remains deeply negative at -$100.4M in Q2 2026, with FCF margin at -56.3%, though capex cuts to 3.5% of revenue have reduced burn from prior levels.
Plug Power Inc. (PLUG) cash flow statement — 28-year operating, investing & financing cash flows
| Metric | TTM | Dec'25 | Dec'24 | Dec'23 | Dec'22 | Dec'21 | Dec'20 | Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 | Dec'08 | Dec'07 | Dec'06 | Dec'05 | Dec'04 | Dec'03 | Dec'02 | Dec'01 | Dec'00 | Dec'99 | Dec'98 |
|---|
| Cash from Operations | -482.56M | -535.84M | -728.64M | -1.11B | -620.83M | -358.18M | -155.48M | -53.32M | -58.35M | -60.18M | -29.64M | -47.27M | -40.78M | -26.88M | -20.16M | -33.31M | -40.77M | -38.23M | -56.6M | -49.31M | -46.11M | -39.87M | -33.9M | -38.02M | -36.89M | -55.29M | -65.49M | -23.74M | -7.5M |
| Operating CF Margin % | - | -75.48% | -115.88% | -124.15% | -88.51% | -71.3% | 166.75% | -23.19% | -33.41% | -45.27% | -34.49% | -45.77% | -63.49% | -101.05% | -77.24% | -120.58% | -209.37% | -310.99% | -316.16% | -303.07% | -588.42% | -295.62% | -210% | -304.08% | -312.18% | -962.93% | -781.7% | -215.81% | -115.38% |
| Operating CF Growth % | 44.23% | 26.46% | 34.15% | -78.24% | -73.33% | -130.37% | -191.57% | 8.61% | 3.04% | -103.07% | 37.31% | -15.92% | -51.71% | -33.31% | 39.46% | 18.3% | -6.65% | 32.45% | -14.78% | -6.95% | -15.65% | -17.62% | 10.84% | -3.04% | 33.27% | 15.58% | -175.89% | -216.52% | - |
| Net Income | -1.64B | -1.63B | -2.1B | -1.37B | -724.01M | -459.96M | -596.15M | -83.74M | -78.11M | -127.08M | -57.49M | -55.69M | -88.49M | -62.67M | -31.86M | -27.45M | -46.96M | -40.71M | -121.7M | -60.57M | -50.31M | -51.74M | -46.74M | -53.04M | -47.22M | -73.11M | -86.24M | -33.47M | -9.6M |
| Depreciation & Amortization | 30.34M | 44.56M | 84.56M | 71.08M | 51.6M | 23.37M | 15.57M | 12.64M | 11.71M | 9.78M | 5.24M | 2.99M | 4.34M | 4.18M | 4.38M | 4.46M | 7.23M | 5.77M | 6.62M | 5.46M | 3.22M | 4.05M | 6.76M | 6.47M | 8.23M | 7.91M | 5.84M | 1.45M | 600K |
| Stock-Based Compensation | 23.01M | 34.23M | 82.2M | 162.91M | 0 | 76.47M | 17.14M | 10.89M | 8.77M | 9.21M | 9.29M | 7.82M | 4.16M | 2.18M | 2M | 1.45M | 1.17M | 1.93M | 8.59B | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | 0 | 10K | -3.15M | -8.53M | 170K | -16.2M | -30.84M | 0 | -9.22M | 51.55M | -5.37M | 6.39M | -935.9K | -3.17M | -6.78M | 27.11M | -787.13K | 4.43M | -8.59B | 0 | 0 | 0 | 0 | 0 | -4.5K | 0 | 0 | 0 | 0 |
| Other Non-Cash Items | -379.56M | 1.04B | 1.21B | 578.81M | 241.21M | 94.14M | 463.52M | 16.51M | 13.88M | 770K | 1.76M | 116K | 52.26M | 37.1M | 2M | -30.9M | 1.17M | -4.15M | 53.28M | 5.49M | 4.3M | 8.67M | 6.65M | 9.3M | 5.04M | 10.82M | 11.06M | 6.55M | 600K |
| Working Capital Changes | -146.53M | -27.99M | 2.79M | -542M | -189.8M | -75.99M | -24.7M | -9.62M | -4.64M | -4.41M | 16.93M | -8.89M | -12.11M | -4.5M | 10.09M | -7.97M | -2.61M | -5.49M | 5.21M | 306.76K | -3.32M | -841.09K | -563.22K | -750.83K | -2.94M | -904.77K | 3.85M | 1.73M | 900K |
| Change in Receivables | -47.92M | -47.37M | 55.16M | -163.03M | -70.44M | -38.21M | -15.7M | 10.59M | -17.76M | -3.41M | 10.73M | -5.64M | -9.35M | -2.41M | 9.37M | -9.19M | -2.19M | 65.44K | 2.28B | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | 39.07M | 51.89M | 129.29M | -408.63M | -363.71M | -100.95M | -63.39M | -24.63M | 19.04M | -18.84M | 2.81M | -7.25M | -9.17M | -1.86M | -1.29M | 1.44M | -4.41M | -95.94K | -521.25K | 655.75K | -866.2K | -1.17M | -863.4K | -277.17K | 239.28K | -103.27K | -1.86M | -290K | 0 |
| Change in Payables | 38.36M | 83.68M | -59.46M | 21.72M | 88.46M | 24.91M | 51.88M | 17.23M | -10.27M | 11.43M | 10.77M | 7.21M | 10.82M | -2.14M | 914K | -1.1M | 2.62B | -3.94B | 1.1B | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | -59.33M | -137.23M | -402.36M | 728.05M | -679.37M | -1.74B | -95.33M | -14.24M | -19.57M | -44.36M | -58.08M | -2.02M | -965K | 3.21M | -13.92K | 10.32M | 98.57M | -25.78M | 65.66M | 33.08M | -163.63M | -28.58M | -36.65M | 44.11M | 9.45M | -13.45M | -51.34M | -10.79M | -2.4M |
| Capital Expenditures | 62.26M | -125.64M | -334.25M | -696.13M | -463.87M | -192.34M | -48.26M | -14.62M | -19.57M | -44.36M | -58.08M | -3.52M | -1.41M | -111K | -78K | -1.33M | -1.1M | -532.96K | -1.42M | -2.94M | -1.27M | -999.58K | -1.62M | -627.35K | -1.27M | -2.68M | -11.99M | -10.79M | -2.4M |
| CapEx % of Revenue | 8.37% | 17.7% | 53.16% | 78.1% | 66.13% | 38.29% | -51.76% | 6.36% | 11.21% | 33.37% | 67.59% | 3.41% | 2.2% | 0.42% | 0.3% | 4.8% | 5.65% | 4.34% | 7.92% | 18.1% | 16.27% | 7.41% | 10.01% | 5.02% | 10.73% | 46.66% | 143.16% | 98.07% | 36.92% |
| Acquisitions | -6.74M | 0 | -68.62M | 0 | -56.91M | -154.12M | -45.11M | 375K | 0 | 0 | 0 | 1.5M | 414K | 3.23M | 0 | 0 | 3.34M | 223K | 0 | 13.96K | 0 | 0 | 0 | -7.06M | 0 | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | -152.03M | -11.59M | 500K | -71.5M | 0 | -928K | -1.96M | 0 | -929K | 0 | 0 | 0 | 34K | 84K | 64K | 1.25M | 1.74M | -2.27M | 14.59K | -47.73M | -1M | 5K | 0 | 36.52M | 274K | 36.67K | -11.12M | 0 | 0 |
| Cash from Financing | 335.41M | 628.17M | 983.17M | 6.12M | -77.46M | 3.6B | 1.52B | 326.97M | 120.08M | 71.62M | 76.67M | -32.92M | 182.92M | 19.37M | 15.7M | 25.93M | -61.38M | -2.39M | 60.22M | 80.65K | 214.75M | 71.35M | 840.5K | 55.33M | 1.05M | 63.88M | 3.85M | 202.03M | 10.8M |
| Debt Issued (Net) | -88.46M | -282.08M | 136.8M | 24.62M | -53.36M | 20.61M | 203.89M | 157.37M | 124.58M | 34.59M | 49.11M | 14.47M | -777K | 1.9M | -89.22K | 5.4M | -60.94M | -1.94M | 60.64M | -400K | -4.05M | -484.26K | -415.23K | 54.89M | -361.06K | -382.77K | -352.66K | -350.96K | 0 |
| Equity Issued (Net) | 445.97M | 720.66M | 857.87M | -10.01M | 2.3M | 3.59B | 1.27B | 169.61M | 38.13M | 36.93M | 27.57M | -247K | 176.1M | 17.4M | 17.19M | 22.43M | -441.51K | -534.42K | -618.64K | 480.65K | 217.71M | 71.77M | 910.72K | 118.28K | 1.1M | 64.4M | 4.2M | 208.21M | 0 |
| Dividends Paid | -16.47M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | -122K | 0 | 0 | -10.01M | 0 | 0 | 0 | -4.04M | -43.5M | -3.7M | -182K | -247K | -603K | 0 | 0 | -158.49K | -441.51K | -534.42K | -618.64K | 0 | 0 | 0 | 0 | -315.3K | 0 | 0 | 0 | -1.64M | 0 |
| Other Financing | -5.62M | 189.59M | -11.5M | -8.49M | -26.4M | -10.67M | 39.93M | 0 | -43.36M | 97K | 0 | -47.14M | 7.6M | 64K | -1.4M | -1.89M | 0 | 76.49K | 202.88K | 0 | 1.1M | 70.74K | 345K | 325K | 310K | -139.2K | 0 | -5.83M | 10.8M |
| Net Change in Cash | -106.54M | 151.59M | -128.44M | -380.2M | -1.79B | 1.5B | 1.26B | 100.89M | 42.1M | -32.58M | -11.16M | -82.24M | 141.18M | -4.35M | -4.48M | 2.9M | -3.63M | -66.26M | 68.77M | -14.82M | 5.02M | 2.9M | -69.71M | 61.43M | -26.39M | -4.86M | -112.98M | 167.5M | 900K |
| Free Cash Flow | -536.14M | -661.48M | -1.06B | -1.8B | -1.08B | -551.44M | -205.7M | -65.54M | -77.19M | -104.55M | -87.71M | -50.79M | -42.19M | -26.99M | -20.24M | -34.64M | -41.87M | -38.76M | -58.02M | -52.26M | -47.38M | -40.87M | -35.51M | -38.64M | -38.16M | -57.97M | -77.49M | -34.53M | -9.9M |
| FCF Margin % | -72.05% | -93.18% | -169.03% | -202.25% | -154.64% | -109.77% | 220.62% | -28.5% | -44.2% | -78.65% | -102.08% | -49.18% | -65.69% | -101.47% | -77.54% | -125.37% | -215.02% | -315.32% | -324.08% | -321.16% | -604.69% | -303.04% | -220.01% | -309.1% | -322.91% | -1009.59% | -924.87% | -313.88% | -152.31% |
| FCF Growth % | 33.97% | 37.77% | 41.04% | -66.19% | -96.7% | -168.08% | -213.85% | 15.09% | 26.17% | -19.19% | -72.68% | -20.38% | -56.32% | -33.34% | 41.55% | 17.28% | -8.02% | 33.19% | -11.02% | -10.29% | -15.94% | -15.08% | 8.1% | -1.26% | 34.16% | 25.19% | -124.42% | -248.76% | - |
| FCF per Share | -0.39 | -0.57 | -1.24 | -3.03 | -1.87 | -0.99 | -0.58 | -0.28 | -0.35 | -0.48 | -0.49 | -0.29 | -0.26 | -0.35 | -0.59 | -1.84 | -3.19 | -3.00 | -6.49 | -5.98 | -5.50 | -5.21 | -4.86 | -6.43 | -7.54 | -12.38 | -17.89 | -13.14 | -0.07 |
| FCF Conversion (FCF/Net Income) | 0.33x | 0.33x | 0.35x | 0.81x | 0.86x | 0.78x | 0.26x | 0.64x | 0.75x | 0.47x | 0.52x | 0.85x | 0.46x | 0.43x | 0.63x | 1.21x | 0.87x | 0.94x | 0.47x | 0.81x | 0.92x | 0.77x | 0.73x | 0.72x | 0.78x | 0.76x | 0.76x | 0.71x | 0.78x |
| Interest Paid | 9.31M | 0 | 44.96M | 0 | 0 | 19.33M | 28.94M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Quick answers to the most common questions about buying PLUG stock.
Plug Power Inc. (PLUG) generated $-535.8M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Plug Power Inc. (PLUG) reported negative free cash flow of $661.5M in 2025, indicating capital requirements exceeded cash from operations.
Plug Power Inc. (PLUG) spent $125.6M on capital expenditures in 2025. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.
Key Metrics
Top Statement Risk
Persistent negative gross margins
Metrics are mathematically derived from official filings.
Cash Conversion Remains Deeply Negative
Operating cash flow has consistently been less negative than net income, with OCF/NI averaging 0.50 in Q2 2026, per reported figures, suggesting non-cash charges like warrant revaluations are inflating losses.
The gap between net income and operating cash flow is stark: in Q4 2024, net income was -$1.3B while OCF was only -$131.2M, implying massive non-cash charges, likely from warrant revaluations and impairments. In Q2 2026, OCF/NI improved to 0.50, but this still indicates that over half of the reported loss is non-cash, which may overstate the true cash burn. Investors should monitor whether this gap narrows as the company transitions to more cash-based operations.
FCF Burn Persists Despite Capex Cuts
Free cash flow remained deeply negative at -$100.4M in Q2 2026, per financial statements, with FCF margin at -56.3%, though this is an improvement from -132.5% in Q2 2025 as capex was slashed.
The FCF trajectory shows a clear deceleration in cash burn: from -$361.0M in Q2 2024 to -$100.4M in Q2 2026, driven primarily by a dramatic reduction in capex from $106.3M to $6.3M. However, the improvement is fragile, as operating cash flow remains deeply negative at -$94.1M, indicating the core business is still consuming cash. The reduced capex may signal a pause in growth investments, which could limit future revenue expansion.
Capex Discipline Masks Structural Needs
Capital expenditure fell to just 3.5% of revenue in Q2 2026, down from 82.1% in Q4 2024, per reported figures, suggesting a strategic shift away from heavy infrastructure build-out.
The sharp decline in capex intensity from 82.1% to 3.5% of revenue indicates that Plug Power is no longer aggressively investing in new hydrogen production plants or manufacturing capacity. While this reduces immediate cash burn, it may undermine the company's ability to achieve the internal production scale needed to fix its negative gross margins. The company's moat relies on vertical integration, and underinvestment in production assets could leave it dependent on costly third-party hydrogen, perpetuating the subsidy burden.
Working Capital Swings Drive Cash Volatility
Working capital changes swung from +$77.2M in Q4 2024 to -$76.4M in Q2 2026, per SEC filings, indicating significant volatility in collections, inventory, and payables that complicates cash flow forecasting.
The working capital line has been highly erratic, with positive contributions in some quarters (e.g., +$56.1M in Q3 2025) and negative in others, suggesting that cash flow is heavily influenced by timing of customer payments and inventory builds. The -$76.4M drag in Q2 2026 may indicate inventory accumulation or slower collections, which could signal demand softness or supply chain issues. Investors should monitor whether these swings stabilize as the company scales its fueling network.
No Capital Return, Only Dilution Risk
Dividends and buybacks are negligible, with only $16.5M in dividends paid in Q2 2026, per reported data, while the company continues to rely on external financing to fund operations.
Capital deployment is entirely focused on survival rather than shareholder returns, with no buybacks and minimal dividends. The $16.5M dividend in Q2 2026 is unusual and may be a one-time event, but it does little to offset the massive cash burn. Given the high debt/equity ratio of 0.99 and negative ROE, the company is likely to require further equity raises, which would dilute existing shareholders. The lack of capital return underscores the precarious financial position.
Cash Flow Improvements May Be Temporary
The recent improvement in operating cash flow to -$94.1M in Q2 2026, per financial statements, could reverse if working capital swings turn negative or if capex resumes, masking the underlying burn.
The apparent cash flow improvement is partly driven by aggressive capex cuts and favorable working capital timing, not necessarily by operational profitability. The company's gross margin remains negative, and the reliance on tax credits and customer warrants introduces non-cash volatility that could obscure the true cash position. If the company resumes investment in hydrogen production to address its cost structure, cash burn could escalate sharply, making the current trajectory unsustainable.