Clean Energy Fuels Corp.

CLNENASDAQEnergy● Active

$1.96

+$0.03(+1.30%)

Market Cap$430539159

P/E Ratio—

52W High$3.11

52W Low$1.73

Avg Volume1.4M

Open$1.95

Beta1.83

Free Cash Flow Financials Revenue

Clean Energy Fuels Corp. (CLNE) Free Cash Flow & Analysis

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

CLNE · free cash flow · updated Jun 8, 2026

Core FCF metrics

CLNE · FCF · TTM · margin & CAGR

Free cash flow was $59.9M for FY2025 (fiscal year ending 2025-12-31) The FCF margin was 14.0%. Five-year CAGR stands at +4.6%.

FY2025 Free Cash Flow$59.9M▲ +14418.2% YoY

Trailing 12M (TTM)$18.9Mtrailing 4 quarters sum

FCF Margin14.0%$59.9M ÷ revenue

3-Year CAGR+65.4%FY2022 → FY2025

5-Year CAGR+4.6%FY2020 → FY2025

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

FCF ($B, upper) · YoY Growth % (lower)

Positive FCFNegative FCF

Free Cash Flow

YoY Growth %

Annual free cash flow data

CLNE · free cash flow history · annual / quarterly

Fiscal YearOperating CFCapExFree Cash FlowYoY ChangeFCF Margin

FY2025Latest$85.5M(26M)$59.9M▲ +14418.2%14.0%

FY2024$64.6M(65M)−$418,000▲ +99.5%-0.1%

FY2023$43.8M(121M)−$77.5M▼ 686.0%-18.2%

FY2022$66.7M(54M)$13.2M▲ +6.7%3.1%

FY2021$41.3M(29M)$12.4M▼ 74.1%4.8%

FCF = Operating Cash Flow − Capital Expenditures · CapEx shown as (negative) · Source: SEC filings via FMP

FCF valuation metrics

CLNE · P/FCF · FCF yield · FCF per share

Clean Energy Fuels Corp. (CLNE) trades at a FCF yield of 4.40% and a price-to-free-cash-flow ratio of 21.7x. FCF per share stands at $0.09, calculated using trailing twelve-month FCF divided by basic weighted-average shares outstanding.

FCF Yield (TTM)

4.40%

Free Cash Flow ÷ Market Cap

per FMP freeCashFlowYieldTTM definition

FCF per Share (TTM)

$0.09

TTM FCF ÷ Shares Outstanding

Price / FCF

x21.7

Share Price ÷ FCF per Share

EV / FCF (TTM)

x24.8

Enterprise Value basis

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

Cash flow statement summary

CLNE · cash flow statement · operating / investing / financing

For FY2025, Clean Energy Fuels Corp. generated $85.5M in operating cash flow and spent 26M in capital expenditures, yielding $59.9M in free cash flow.

Operating Activities

+$85.5M

Cash from core business operations

2025-12-31

Investing Activities

+$63.1M

CapEx, acquisitions & investments

2025-12-31

Financing Activities

−$82.1M

Buybacks, dividends & debt

2025-12-31

FCF FormulaOperating CF ($85.5M) − |CapEx| (26M) = FCF ($59.9M)

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

View Full Cash Flow Statement →

Free cash flow vs peers (Energy)

CLNE vs peers · FCF

#CompanyFree Cash FlowYoYFCF MarginRelative

Clean Energy Fuels Corp.YOU

CLNE

$59.9M+14418.2%14.0%

Exxon Mobil Corporation

Energy · Sorted by FCF · FMP /cash-flow-statementFull FCF Rankings →

About Free Cash Flow & Methodology

Clean Energy Fuels Corp. (CLNE) reported free cash flow of $59.9M for FY2025 (fiscal year ending 2025-12-31). The FCF margin was 14.0%.

Based on available data, Clean Energy Fuels Corp. has maintained positive free cash flow for at least 6 fiscal year(s). FCF peaked at $59.9M in FY2025. The 5-year CAGR stands at +4.6%.

Clean Energy Fuels Corp.'s FCF yield is 4.40% and price-to-FCF ratio is 21.7x for FY2025, based on the latest available data.

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.

Revenue Financial statements Net income Earnings Forecast Price history Market cap Cash on hand P/E ratio

Frequently asked questions

CLNE free cash flow · 8 questions

Clean Energy Fuels Corp. free cash flow was $59.9M for FY2025. On a trailing twelve-month (TTM) basis, free cash flow stands at $18.9M.

CLNE free cash flowCLNE FCFCLNE FCF 2025CLNE free cash flow TTM

▸ Source: FMP /cash-flow-statement · US GAAP · Clean Energy Fuels Corp. · Clean Energy Fuels Corp. SEC 10-K & 10-Q filings · US GAAP · Last updated: Jun 8, 2026