Operating cash flow reached $230.2M in 2027Q1, nearly double net income of $116.5M, yielding an OCF/NI ratio of 1.98, while free cash flow surged to $217.7M (23.3% margin) on low capex intensity of 1.3% of revenue.
EnerSys (ENS) cash flow statement — 25-year operating, investing & financing cash flows
| Metric | TTM | Mar'26 | Mar'25 | Mar'24 | Mar'23 | Mar'22 | Mar'21 | Mar'20 | Mar'19 | Mar'18 | Mar'17 | Mar'16 | Mar'15 | Mar'14 | Mar'13 | Mar'12 | Mar'11 | Mar'10 | Mar'09 | Mar'08 | Mar'07 | Mar'06 | Mar'05 | Mar'04 | Mar'03 | Mar'02 |
|---|
| Cash from Operations | 776.79M | 547.6M | 260.3M | 457.03M | 279.94M | -65.58M | 358.38M | 253.4M | 197.85M | 211.05M | 246.03M | 307.57M | 194.47M | 193.62M | 244.4M | 204.2M | 76.46M | 136.6M | 219.44M | 4.02M | 72.42M | 42.87M | 29.35M | 39.19M | 55.44M | 21.07M |
| Operating CF Margin % | - | 14.6% | 7.2% | 12.76% | 7.55% | -1.95% | 12.03% | 8.21% | 7.05% | 8.17% | 10.39% | 13.28% | 7.76% | 7.82% | 10.73% | 8.94% | 3.89% | 8.65% | 11.12% | 0.2% | 4.81% | 3.34% | 2.71% | 4.04% | 6.45% | 6.21% |
| Operating CF Growth % | 24359.21% | 110.37% | -43.05% | 63.26% | 526.83% | -118.3% | 41.43% | 28.07% | -6.25% | -14.22% | -20.01% | 58.16% | 0.44% | -20.78% | 19.69% | 167.07% | -44.03% | -37.75% | 5361.35% | -94.45% | 68.93% | 46.06% | -25.1% | -29.3% | 163.14% | - |
| Net Income | 352.45M | 293.56M | 363.74M | 269.1M | 175.81M | 143.91M | 143.37M | 137.12M | 160.63M | 119.83M | 158.22M | 131.82M | 181.53M | 146.77M | 164.96M | 143.97M | 113.43M | 62.3M | 84.59M | 59.7M | 45.21M | 30.73M | 32.38M | 4.84M | 22.85M | -57.02M |
| Depreciation & Amortization | 117.16M | 113.56M | 100.88M | 92.02M | 91.15M | 95.88M | 94.08M | 87.34M | 63.35M | 54.32M | 53.95M | 55.99M | 57.04M | 53.97M | 50.5M | 50.36M | 44.39M | 44.85M | 49.09M | 49.22M | 47.36M | 43.27M | 41.54M | 39.05M | 38M | 0 |
| Stock-Based Compensation | 27.77M | 37.59M | 27.82M | 30.61M | 26.37M | 24.29M | 19.82M | 20.78M | 22.61M | 19.45M | 19.18M | 19.6M | 25.26M | 16.74M | 14.74M | 11.59M | 9.06M | 6.96M | 5.02M | 0 | 381K | 210K | 210K | 0 | 0 | 0 |
| Deferred Taxes | 14.02M | 14.41M | -31.93M | -29.34M | -15.24M | 1.11M | -8.99M | -16.49M | -6.46M | -20.31M | 1.46M | -753K | 31.89M | -49.75M | 1.67M | -3.23M | -3.06M | 6.97M | 10.26M | 7.97M | 7.97M | 5.52M | 9.91M | -6.64M | 0 | 0 |
| Other Non-Cash Items | 29.12M | 19.81M | 9.59M | 43.67M | 10.11M | 15.3M | 9.07M | 61.04M | 28.8M | 6.14M | 47.9M | 43.39M | 19.42M | 30.79M | 10M | 6.27M | 11.6M | 6.04M | 3.75M | 4.46M | 3.78M | 3.37M | 5.29M | 35.18M | 16M | 78.09M |
| Working Capital Changes | 236.17M | 68.67M | -209.8M | 50.98M | -8.27M | -346.08M | 101.02M | -36.4M | -71.08M | 31.62M | -34.67M | 57.51M | -120.66M | -4.91M | 2.53M | -4.75M | -98.95M | 9.46M | 66.73M | -121.24M | -32.28M | -40.22M | -59.98M | -33.23M | -21.41M | 0 |
| Change in Receivables | 102.71M | 104.7M | -81.8M | 108.63M | 67.55M | -128.96M | 8.71M | 26.49M | 5.97M | -32.24M | -13.54M | 31.14M | -13.25M | -70.13M | 5.42M | 7.11M | -61.89M | -7.3M | 85.92M | 0 | -56.02M | -13.4M | -13.4M | 0 | 0 | 0 |
| Change in Inventory | 44.9M | 25.89M | 1.34M | 75.63M | -96.41M | -212.84M | 24.18M | -9.38M | -46.61M | -38.08M | -42.79M | 11.67M | -10.15M | 8.14M | -921K | -19.66M | -67.25M | -23.45M | 90.93M | -70.28M | -39.64M | -25.76M | -8.21M | -13.93M | 9.45M | 0 |
| Change in Payables | -32.09M | -52.63M | 36.57M | -15.13M | -4.24M | 65.32M | 20.8M | -33.49M | 9.94M | 21.27M | 845K | 12.18M | -26.5M | -14.98M | 5.37M | -12.38M | 42.42M | 59.12M | -109.71M | 0 | 42.53M | 1.71M | 1.71M | 0 | 0 | 0 |
| Cash from Investing | -58.81M | -87.88M | -336.39M | -92.48M | -44.8M | -69.23M | -65.04M | -274.82M | -723.88M | -72.36M | -61.83M | -80.92M | -59.62M | -232M | -55.09M | -73.42M | -91.66M | -77.24M | -46.81M | -62.15M | -49.05M | -76.88M | -28.99M | -26.98M | -12.92M | -335.95M |
| Capital Expenditures | -59.48M | -80.07M | -121.04M | -86.44M | -88.77M | -74.04M | -70.02M | -101.42M | -70.37M | -69.83M | -50.07M | -55.88M | -63.63M | -61.99M | -55.29M | -48.94M | -59.94M | -45.11M | -57.14M | -45.04M | -42.35M | -39.66M | -31.83M | -28.58M | -23.63M | -12.94M |
| CapEx % of Revenue | 1.57% | 2.13% | 3.35% | 2.41% | 2.39% | 2.21% | 2.35% | 3.28% | 2.51% | 2.7% | 2.12% | 2.41% | 2.54% | 2.51% | 2.43% | 2.14% | 3.05% | 2.86% | 2.9% | 2.22% | 2.82% | 3.09% | 2.94% | 2.95% | 2.75% | 3.81% |
| Acquisitions | 12.56M | 0 | -206.37M | -8.27M | 586K | 0 | 176K | -176.55M | -654.61M | -2.99M | -12.39M | -35.44M | 2M | -171.53M | 0 | -24.55M | -32.2M | -33.24M | 0 | -17.43M | -6.98M | -38.13M | -1.17M | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | -11.89M | -7.81M | 1.87M | 2.23M | 586K | 4.81M | 4.8M | 3.15M | 1.1M | 463K | 631K | 10.4M | 2.01M | 1.52M | 194K | 76K | 479K | 1.11M | 10.33M | 321K | 282K | 924K | 4M | 1.6M | 10.71M | -323.01M |
| Cash from Financing | -530.45M | -380.7M | 90.27M | -370.56M | -270.45M | 98.43M | -188.72M | 62.68M | 346.58M | -166.89M | -62.54M | -105.73M | -59.31M | 21.56M | -95.96M | -78.38M | -82.68M | -24.47M | -23.2M | 39.56M | -1.32M | 27.91M | 3.21M | -39.99M | -8.21M | 314.8M |
| Debt Issued (Net) | -260.99M | -2.7M | 280.22M | -237.95M | -215.82M | 294.92M | -162.87M | 136.53M | 428.73M | -9.49M | -24.7M | 119.34M | 187.58M | 133.05M | -83.23M | -22.75M | -103.15M | -31.8M | -4.34M | 12.74M | -4.58M | 26.66M | -136.79M | 323.48M | -8.21M | 0 |
| Equity Issued (Net) | -222.77M | -328.71M | -153.96M | -95.69M | -18.52M | -156.37M | 9.11M | -33.14M | -56.44M | -121.19M | 3K | -178.24M | -205.36M | -69.87M | -22.59M | -58.38M | 0 | 7.33M | -19.8M | 22.81M | 3.83M | 1.49M | 141.25M | 0 | 0 | 0 |
| Dividends Paid | -38.59M | -38.14M | -37.47M | -34.48M | -28.54M | -29.35M | -29.81M | -29.7M | -29.74M | -29.67M | -30.4M | -30.88M | -31.74M | -23.68M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -258.37M | 0 | 0 |
| Share Repurchases | -270.61M | -370.69M | -153.96M | -95.69M | -22.91M | -156.37M | 0 | -34.56M | -56.44M | -121.19M | 257.4M | -193.45M | -218.04M | -69.87M | -22.59M | -58.38M | 0 | 0 | -19.8M | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Financing | -8.1M | -11.15M | 1.47M | -2.44M | -7.57M | -10.77M | -5.15M | -11M | 4.03M | -6.53M | -7.45M | -15.95M | -9.8M | -17.94M | 9.87M | 2.75M | 20.48M | 0 | 945K | 4M | -572K | -248K | -1.25M | -105.1M | 0 | 314.8M |
| Net Change in Cash | 184M | 95.54M | 9.81M | -13.34M | -55.82M | -49.32M | 124.83M | 27.77M | -222.91M | 21.79M | 103.02M | 128.39M | 28.82M | -9.24M | 88.86M | 51.62M | -92.17M | 37.88M | 142.54M | -17.16M | 22.57M | -6.12M | 4.13M | -27.09M | 35.22M | -88K |
| Free Cash Flow | 717.31M | 467.52M | 139.26M | 370.59M | 191.17M | -139.63M | 288.36M | 151.97M | 127.48M | 141.22M | 195.96M | 251.69M | 130.85M | 131.63M | 189.11M | 155.25M | 16.52M | 91.49M | 162.29M | -41.02M | 30.07M | 3.21M | -2.48M | 10.61M | 31.81M | 8.12M |
| FCF Margin % | 18.91% | 12.46% | 3.85% | 10.35% | 5.15% | -4.16% | 9.68% | 4.92% | 4.54% | 5.47% | 8.28% | 10.87% | 5.22% | 5.32% | 8.3% | 6.8% | 0.84% | 5.79% | 8.23% | -2.02% | 2% | 0.25% | -0.23% | 1.1% | 3.7% | 2.39% |
| FCF Growth % | 439.54% | 235.72% | -62.42% | 93.86% | 236.91% | -148.42% | 89.74% | 19.21% | -9.72% | -27.94% | -22.14% | 92.36% | -0.59% | -30.4% | 21.81% | 839.85% | -81.94% | -43.63% | 495.66% | -236.42% | 837.61% | 229.58% | -123.32% | -66.64% | 291.53% | - |
| FCF per Share | 19.06 | 12.26 | 3.44 | 8.96 | 4.63 | -3.26 | 6.67 | 3.54 | 2.96 | 3.27 | 4.45 | 5.53 | 2.72 | 2.64 | 3.89 | 3.15 | 0.33 | 1.87 | 3.28 | -0.84 | 0.63 | 0.07 | -0.07 | 0.96 | 2.89 | 0.74 |
| FCF Conversion (FCF/Net Income) | 2.04x | 1.87x | 0.72x | 1.70x | 1.59x | -0.46x | 2.50x | 1.85x | 1.24x | 1.76x | 1.54x | 2.26x | 1.07x | 1.29x | 1.47x | 1.42x | 0.67x | 2.19x | 2.59x | 0.07x | 1.60x | 1.40x | 0.91x | 8.10x | 2.43x | -0.50x |
| Interest 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 |
| 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 |
Quick answers to the most common questions about buying ENS stock.
EnerSys (ENS) generated $547.6M in net cash from operating activities in 2026. This reflects the cash generated directly from core business operations.
EnerSys (ENS) generated $467.5M in free cash flow in 2026. Free cash flow is the cash left over after capital expenditures, which can be used to pay dividends, repurchase shares, or pay down debt.
EnerSys (ENS) spent $80.1M on capital expenditures in 2026. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.
In 2026, EnerSys (ENS) returned $38.1M to shareholders via cash dividends and spent $370.7M on share repurchases. This shows the company's commitment to returning capital to its equity investors.
Key Metrics
Top Statement Risk
Dependence on non-operational tax credits
Metrics are mathematically derived from official filings.
Cash Conversion Strengthens on Working Capital Release
EnerSys' operating cash flow reached $230.2M in 2027Q1, nearly double net income of $116.5M, yielding an OCF/NI ratio of 1.98. According to the latest cash flow statement, this reflects robust earnings quality.
The OCF/NI ratio has consistently exceeded 1.0 in most quarters, with a notable spike to 3.19 in 2026Q2, indicating that reported earnings are well-backed by cash generation. The 2027Q1 ratio of 1.98 suggests that working capital dynamics are favorable, with no significant accrual build-up. This strong conversion supports the view that the company's earnings are of high quality, though investors should monitor whether this persists as growth initiatives require more working capital.
Free Cash Flow Rebound After Working Capital Drag
FCF surged to $217.7M in 2027Q1, a 23.3% margin, recovering from negative FCF in 2026Q1 and 2025Q1. Based on reported cash flow data, this rebound is driven by improved working capital management and lower capex intensity.
The FCF trajectory shows a clear V-shaped recovery, with 2027Q1 FCF margin of 23.3% versus -3.6% in 2026Q1. This improvement is partly due to a release of working capital, as evidenced by the swing from -$102.8M in 2026Q1 to $0 in 2027Q1. However, the 2026Q1 dip was also influenced by heavy buybacks and acquisitions, which are not operational. The current FCF level appears sustainable given the low capex requirements, but the company's ability to maintain this margin will depend on continued working capital efficiency.
Low Capital Intensity Supports Cash Generation
CapEx averaged only 2.6% of revenue over the past ten quarters, with 2027Q1 at 1.3%. As reported in the cash flow statement, this low capital intensity allows EnerSys to convert a high proportion of operating income into free cash flow.
The capital expenditure ratio has declined from 4.2% in 2025Q1 to 1.3% in 2027Q1, indicating that the company is not investing heavily in fixed assets. This is consistent with a mature manufacturing business that relies on existing capacity and outsourcing. However, the planned lithium-ion facility may require higher capex in the future, which could pressure FCF margins. For now, the low capex intensity is a positive for cash generation, but investors should watch for any increase in capital spending as the company executes its growth strategy.
Working Capital Volatility Drives Cash Flow Swings
Working capital changes swung from -$102.8M in 2026Q1 to +$116.2M in 2026Q2, and back to $0 in 2027Q1. According to the cash flow data, these swings are the primary driver of quarterly OCF variability.
The working capital line item has been highly volatile, with negative changes in 2025Q1-Q3 and 2026Q1, followed by positive changes in 2026Q2-Q3 and 2025Q4. This suggests that EnerSys' cash flow is sensitive to inventory and receivables management, possibly due to lead price fluctuations and customer payment terms. The 2027Q1 neutral position indicates a stabilization, but the historical pattern suggests that future quarters could see renewed swings. Investors should monitor working capital efficiency as a key indicator of cash flow sustainability.
Shareholder Returns and M&A Shape Cash Allocation
EnerSys returned $9.6M in dividends and $69.3M in buybacks in 2026Q4, while acquisitions totaled $205.3M in 2025Q2. Based on reported cash flow data, capital deployment is balanced between returning cash and strategic investments.
The company has consistently paid dividends of around $9-10M per quarter, and buybacks have been significant, particularly in 2026Q1 ($150M) and 2026Q3 ($83.6M). The large acquisition outflow in 2025Q2 ($205.3M) reflects the company's M&A strategy, likely related to its power systems expansion. This deployment pattern suggests a commitment to returning capital to shareholders while also investing in growth. However, the reliance on buybacks may be opportunistic, and the sustainability of this pace will depend on future cash generation.
Cumulative Cash Generation Exceeds Reported Earnings
Over the past ten quarters, cumulative operating cash flow of $1.17B exceeds cumulative net income of $834.6M, a gap of $338.4M. As reported in the cash flow statements, this indicates strong cash conversion and conservative accruals.
The cumulative OCF/NI ratio of approximately 1.4 suggests that EnerSys has generated more cash than its reported earnings, which is a positive signal for earnings quality. This divergence is likely due to non-cash charges like D&A and SBC, which are added back to net income, and favorable working capital changes. However, the gap may also reflect the impact of one-time items such as tariff refunds and tax credits, which are non-operational. Investors should consider that the cumulative cash generation is robust, but the quality of earnings could be affected by these non-recurring benefits.
What Could Invalidate the Base Case
The 2027Q1 OCF/NI ratio of 1.98 may be flattered by one-time tariff refunds and IRA 45X tax credits, which are non-operational. According to the earnings release, excluding these items, EPS growth is 42% YoY, still strong but less dramatic.
The cash flow statement shows that operating cash flow in 2027Q1 was $230.2M, but this includes the benefit of tariff refunds and tax credits that may not recur. If these non-operational items are stripped out, the underlying cash conversion could be lower, potentially normalizing the OCF/NI ratio toward historical levels. Additionally, the low capex intensity may not be sustainable if the company proceeds with its lithium-ion facility, which could increase capital expenditures and reduce FCF. Investors should monitor the sustainability of these non-operational benefits and the potential for higher capex in future quarters.