Operational fragility is highlighted by a $154.8 million free cash flow deficit in 2026Q1, driven by high capital intensity and erratic working capital requirements.
| Cash from Operations | -302M | -211.19M | -153.94M | -145.02M | -196.86M | -116.15M | -26.56M | -23.83M | -24.92M |
| Operating CF Margin % | - | -184.93% | -986.39% | -885.44% | -1098.29% | -2526.03% | -12127.4% | -4805.24% | - |
| Operating CF Growth % | -531.05% | -37.19% | -6.15% | 26.33% | -69.49% | -337.32% | -11.43% | 4.35% | - |
| Net Income | -475.9M | -969.65M | -685.87M | -229.51M | -229.81M | -124.22M | -70.64M | -79.48M | -28.5M |
| Depreciation & Amortization | 18.41M | 16.07M | 9.13M | 10.77M | 7.68M | 2.61M | 1.56M | 2.12M | 2.42M |
| Stock-Based Compensation | 23.2M | 24.88M | 18.78M | 14.06M | 13.79M | 15.06M | 5.08M | 135K | 137K |
| Deferred Taxes | 0 | 0 | 0 | 0 | 0 | -17.72M | 0 | 0 | 0 |
| Other Non-Cash Items | 188.2M | 705.4M | 521.26M | 69.39M | 9.51M | 5.55M | 33.47M | 58.25M | 978K |
| Working Capital Changes | -55.92M | 12.11M | -17.24M | -9.73M | 1.97M | 2.56M | 3.98M | -4.86M | 48K |
| Change in Receivables | -5.45M | -14.38M | 3.08M | 0 | 234K | -1.92M | 4.06M | -4.06M | 0 |
| Change in Inventory | -18.67M | -25.34M | -20.5M | 6.19M | -10.28M | -10.1M | -214K | 634K | -489K |
| Change in Payables | 39.2M | 62.14M | -4.57M | -11.47M | 18.32M | 4.51M | -473K | 459K | 0 |
| Cash from Investing | -84.91M | -54.69M | -33.19M | -29.46M | -17.17M | -23.34M | -6.63M | -2.9M | -1.7M |
| Capital Expenditures | -83.92M | -53.78M | -33.15M | -29.32M | -20.07M | -15.59M | -3.6M | -2.3M | -1.7M |
| CapEx % of Revenue | 52.22% | 47.09% | 212.43% | 179.04% | 111.98% | 339.04% | 1646.12% | 463.51% | - |
| Acquisitions | 0 | 0 | 0 | 0 | 0 | -4.16M | -3.02M | -601K | 0 |
| Investments | - | - | - | - | - | - | - | - | - |
| Other Investing | -39.46M | -39.39M | -34K | -138K | 2.9M | -3.59M | 0 | 0 | 0 |
| Cash from Financing | 747.6M | 787.09M | 205.83M | 227.92M | 139.54M | 123.32M | 154.18M | 22.1M | 30.07M |
| Debt Issued (Net) | 313K | 137.13M | 43.24M | 45.09M | 109.59M | 106.53M | 10.25M | 21.07M | -47K |
| Equity Issued (Net) | 3.77M | 650.45M | 12.86M | 191.53M | -978K | -353K | 11.76M | 2.03M | 0 |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | 488K | 0 | -1.23M | -633K | -978K | -353K | 0 | 0 | 0 |
| Other Financing | 743.51M | -488K | 149.73M | -8.7M | 30.93M | 17.14M | 132.16M | -1M | 30.12M |
| Net Change in Cash | 369.86M | 514.27M | 18.7M | 53.44M | -74.47M | -16.16M | 120.99M | -4.64M | 3.46M |
| Free Cash Flow | -385.92M | -264.97M | -187.09M | -174.48M | -216.93M | -131.74M | -30.16M | -26.13M | -26.61M |
| FCF Margin % | -240.14% | -232.01% | -1198.82% | -1065.33% | -1210.27% | -2865.07% | -13773.52% | -5268.75% | - |
| FCF Growth % | -118.72% | -41.63% | -7.23% | 19.57% | -64.67% | -336.73% | -15.42% | 1.81% | - |
| FCF per Share | -0.71 | -1.02 | -0.88 | -1.37 | -3.47 | -2.50 | -0.62 | -0.44 | - |
| FCF Conversion (FCF/Net Income) | 0.81x | 0.22x | 0.22x | 0.63x | 0.86x | 0.94x | 0.38x | 0.30x | 0.87x |
| Interest Paid | 5K | 0 | 0 | 0 | 0 | 0 | 118K | 6K | 0 |
| Taxes Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Negative unit economics
As reported in recent financial filings, the divergence between net income and operating cash flow is stark, exemplified by the 2026Q1 period where a $508.9 million net income gain was accompanied by a $119.7 million operating cash outflow, suggesting significant non-cash or non-operating accounting distortions.
The persistent inability to convert reported earnings into positive operating cash flow indicates that the company's profitability metrics are currently decoupled from its actual liquidity generation. Investors should monitor whether these accounting gains represent sustainable value creation or merely transitory adjustments that fail to address the underlying cash-burning nature of the business model.
Based on Eos's reported quarterly figures, the company consistently records negative free cash flow, with the most recent quarter showing a $154.8 million outflow, highlighting a trajectory where capital requirements for scaling production continue to outpace the company's ability to generate internal cash from its operations.
The consistent FCF margin contraction suggests that the company is in a high-intensity investment phase where every dollar of revenue growth requires a disproportionate amount of cash. This trend implies that the business remains entirely dependent on external financing to sustain its current operational footprint and growth ambitions.
According to historical cash flow statements, Eos maintains high capital intensity, with CAPEX-to-revenue ratios frequently exceeding 40% and reaching as high as 180.6% in 2024Q4, reflecting the heavy burden of building out automated manufacturing infrastructure to support its proprietary zinc-halide battery technology.
The elevated capital expenditure levels appear to be driven by the transition from manual assembly to automated production lines, a necessary but costly endeavor. The lack of a clear downward trend in capital intensity suggests that the company has yet to reach the inflection point where asset replacement and maintenance costs stabilize relative to output.
As evidenced by the quarterly cash flow data, working capital changes are highly erratic, swinging from a $51.2 million outflow in 2026Q1 to a $16.8 million inflow in 2025Q1, which suggests significant challenges in managing inventory levels and collection cycles for its project-based revenue model.
The volatility in working capital movements may indicate difficulties in aligning the timing of component procurement with the lumpy recognition of utility-scale project milestones. This inconsistency complicates cash flow forecasting and suggests that the company's liquidity position is highly sensitive to the timing of customer payments and supply chain management.
Quick answers to the most common questions about buying EOSE stock.
Eos Energy Enterprises, Inc. (EOSE) generated $-211.2M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Eos Energy Enterprises, Inc. (EOSE) reported negative free cash flow of $265.0M in 2025, indicating capital requirements exceeded cash from operations.
Eos Energy Enterprises, Inc. (EOSE) spent $53.8M on capital expenditures in 2025. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.