Clean Energy Fuels Corp. (CLNE) Cash Flow Statement

NASDAQ: CLNEOperating cash, capex, free cash flow and buybacks.

Where CLNE’s cash came from and went, 2025

December 31, 2025 · U.S. dollars
Cash from operations
$85.5M
+32.4% vs 2024
Capital expenditures
$59.9M
14.0% of revenue
Free cash flow
$25.6M
6.0% margin
Returned to shareholders
$7.9M
31% of free cash flow
Change in cash
$66.2M
cash at year-end $157.8M
Cash from operations: $85.5MCash from operations$85.5MInvestments (net): $131.4MInvestments (net)$131.4MDebt repayment: $66.2MDebt repayment$66.2M · 31%Capital expenditures: $59.9MCapital expenditures$59.9M · 28%Acquisitions & other: $8.5MAcquisitions & other$8.5M · 4%Other financing: $8.0MOther financing$8.0M · 4%Share buybacks: $7.9MShare buybacks$7.9M · 4%Added to cash: $66.2MAdded to cash$66.2M · 31%$217.0M
Cash from operations
$85.5M
Capital expenditures
−$59.9M
Investments (net)
+$131.4M
Acquisitions & other
−$8.5M
Share buybacks (net)
−$7.9M
Net borrowing (repayment)
−$66.2M
Other financing
−$8.0M
Change in cash
$66.2M

Drawn to scale: where the cash came from and how it was used. Hover for values.

CLNE operating cash flow, capex and free cash flow

Operating cash flowCapital expendituresFree cash flowFCF margin (right axis)

CLNE cash flow trends, 2016–2025

Clean Energy Fuels Corp. cash flow trends
MetricTrendThenLatestChange
Operating cash flow$46.1M2016$85.5M2025+7.1%/yr
Capital expenditures$23.6M2016$59.9M2025+10.9%/yr
Free cash flow$22.4M2016$25.6M2025+1.5%/yr
Free cash flow margin5.6%20166.0%2025+0.4 pts
Stock-based compensation$8.1M2016$8.9M2025+1.0%/yr
Dividends paid$02016$5.8M2021—
Share buybacks (net)$02016$7.9M2025—
Capex / revenue5.9%201614.0%2025+8.2 pts

Change is the average annual growth (CAGR) or the difference between the first and latest year.

CLNE cash flow by activity

OperatingInvestingFinancingChange in cash

CLNE net income vs operating cash flow

Net incomeOperating cash flow

Operating cash flow above net income usually means earnings are backed by cash (depreciation and stock-based pay are non-cash expenses).

CLNE cash flow statement

Clean Energy Fuels Corp. annual cash flow statement
2025202420232022202120202019201820172016
Operating activities
Net income−$222.0M−$30.6M−$99.5M−$59.6M−$94.2M−$11.5M$13.3M−$9.2M−$81.4M−$13.7M
Depreciation & amortization$98.6M$44.7M$45.7M$54.7M$45.2M$47.7M$49.6M$51.9M$56.6M$59.3M
Stock-based compensation$8.9M$71.6M$83.9M$50.8M$98.6M$3.0M$3.9M$5.3M$8.1M$8.1M
Change in working capital$6.8M−$16.8M−$8.7M$9.2M−$15.7M$21.8M−$56.0M−$2.5M−$128,000$20.9M
Other non-cash items$193.3M−$4.3M$22.3M$11.6M$7.4M$89,000$1.5M−$7.5M$11.4M−$28.5M
Cash from operating activities$85.5M$64.6M$43.8M$66.7M$41.3M$61.0M$12.3M$38.0M−$5.4M$46.1M
Investing activities
Capital expenditures−$59.9M−$80.0M−$121.3M−$53.5M−$28.9M−$13.3M−$27.1M−$25.3M−$36.3M−$23.6M
Investments (net)$131.4M−$77.7M−$144.6M−$148.5M−$104.1M$27.0M$10.2M$78.2M−$72.1M$28.9M
Acquisitions & other investing−$8.5M$80.0M$63.8M$53.5M−$74.7M$10.4M$15.4M$1.4M$156.1M−$4.2M
Cash from investing activities$63.1M−$77.7M−$202.0M−$148.5M−$207.7M$24.2M−$1.5M$54.4M$47.7M$1.1M
Financing activities
Dividends paid————−$5.8M−$65.9M——$0$0
Share repurchases & issuance (net)−$7.9M$0−$175,000−$6.1M−$2.9M−$14.6M$309,000$83.4M$1.3M$101.3M
Net borrowing (repayment)−$66.2M−$2.2M$149.1M$109.9M−$47.6M−$5.7M−$7.9M−$195.9M−$44.4M−$156.9M
Shares issued$0$64,000$223,000$1.4M$204.5M$1.7M$309,000$83.4M$0$0
Other financing−$8.0M$226,000−$10.0M−$3.5M$4.8M$65.9M$15.0M−$66.2M$0$0
Cash from financing activities−$82.1M−$1.9M$139.1M$101.6M$152.8M−$18.7M$7.7M−$95.2M−$43.2M−$55.6M
Summary
Net change in cash$66.2M−$15.4M−$19.0M$19.5M−$13.5M$66.8M$18.6M−$2.6M−$38,000−$7.6M
Cash at end of period$157.8M$91.6M$107.0M$126.0M$106.5M$120.0M$53.2M$34.6M$36.1M$36.1M
Free cash flow$25.6M−$15.4M−$77.5M$13.2M$12.4M$47.8M−$14.8M$12.7M−$41.7M$22.4M
Free cash flow margin6.0%−3.7%−18.2%3.1%4.8%16.4%−4.3%3.7%−12.2%5.6%
Capex / revenue14.0%19.2%28.5%12.7%11.3%4.5%7.9%7.3%10.6%5.9%
Operating cash flow / net income——————0.93———

Negative numbers are cash paid out. Quarterly columns are labeled by the month the quarter ended. Figures in U.S. dollars as reported; data from EODHD.

CLNE cash generation

In fiscal 2025 (ended December 31, 2025), Clean Energy Fuels generated $85.5 million of cash from operations (up 32.4%) and spent $59.9 million on capital expenditures, leaving free cash flow of $25.6 million, 6.0% of revenue. It returned $7.9 million to shareholders through dividends ($0) and net share buybacks ($7.9 million). Cash and equivalents rose by $66.2 million over the year.

Related: CLNE income statement, CLNE balance sheet. See the CLNE stock overview for the latest quote and news.

CLNE cash flow FAQ

What is Clean Energy Fuels's free cash flow?

Clean Energy Fuels's free cash flow was $25.6 million in fiscal 2025: $85.5 million of operating cash flow minus $59.9 million of capital expenditures It was -$15.4 million a year earlier..

How much cash does Clean Energy Fuels generate from operations?

Clean Energy Fuels generated $85.5 million of cash from operating activities in fiscal 2025.

How much does Clean Energy Fuels spend on capital expenditures?

Clean Energy Fuels spent $59.9 million on capital expenditures in fiscal 2025, 14.0% of revenue, compared with $80.0 million the year before.

How much stock does Clean Energy Fuels buy back?

Clean Energy Fuels spent $7.9 million on net share repurchases in fiscal 2025.

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