Clean Energy Fuels Corp. (CLNE) intrinsic value & 10-year financials

Clean Energy Fuels Corp. (CLNE) has a Graham intrinsic value of $0.84 per share. At $1.50 on Oct 17, 2026, the stock trades 79% above that value. Over the last 10 fiscal years revenue grew 0.6% a year to $424.8M, with an average return on invested capital of -7.6%.

Graham intrinsic value
$0.84
Share price (Oct 17, 2026)
$1.50
Price vs Graham value
79% above
Market cap
$331.0M
Revenue (FY2025)
$424.8M
Revenue growth (10-yr CAGR)
0.6%
ROIC (10-yr avg)
-7.6%
Free cash flow (FY2025)
$59.9M

CLNE 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $424.8M -$222.0M -$1.01 $59.9M -37.6% -18.6%
FY2024 $415.9M -$83.1M -$0.37 -$418.0K -8.7% -3.7%
FY2023 $425.2M -$99.5M -$0.45 -$57.2M -18.0% -8.6%
FY2022 $420.2M -$58.7M -$0.26 $22.2M -12.3% -6.8%
FY2021 $255.6M -$93.1M -$0.44 $18.2M -37.2% -15.3%
FY2020 $291.7M -$9.9M -$0.05 $47.8M -3.4% -1.8%
FY2019 $344.1M $20.4M $0.10 -$14.8M 2.9% 1.6%
FY2018 $346.4M -$3.8M -$0.02 $12.7M 1.1% 0.7%
FY2017 $341.6M -$79.2M -$0.53 -$40.6M -39.4% -21.0%
FY2016 $402.7M -$13.7M — $22.6M -4.4% -2.4%

Source: annual 10-K filings on SEC EDGAR. Figures in USD.

Executive summary

Clean Energy Fuels Corp. has demonstrated mature, steady growth, with revenue compounding at 0.6% annually over the past decade.

Clean Energy Fuels Corp. has historically struggled to out-earn its cost of capital, averaging just -7.6% ROIC.

Clean Energy Fuels Corp. has not shown aggressive share repurchases (>10% retirement) or a major balance-sheet leverage increase (>50% net debt growth) over the 10-year window.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, Clean Energy Fuels Corp. is modeled at 0.6% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $0.84 per share.

CLNE stock: frequently asked questions

What is the intrinsic value of Clean Energy Fuels Corp. (CLNE) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 0.6% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, CLNE's intrinsic value is about $0.84 per share.

Is CLNE stock undervalued?

At $1.50 (close on Oct 17, 2026), CLNE trades 79% above its Graham value of $0.84. On Graham's terms the shares look fully priced. A formula is a starting point for research, not a recommendation.

How fast has Clean Energy Fuels Corp. grown?

Revenue went from $402.7M in fiscal 2016 to $424.8M in fiscal 2025, a compound annual growth rate of 0.6%. Net income was -$222.0M in fiscal 2025.

Does Clean Energy Fuels Corp. generate free cash flow?

Clean Energy Fuels Corp. generated $59.9M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 6 of the last 10 reported years.

What is CLNE's return on invested capital?

Average ROIC over the last 10 fiscal years was -7.6%, and average return on equity was -10.2%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this CLNE data come from?

From Clean Energy Fuels Corp.'s annual 10-K filings on SEC EDGAR, most recently filed Aug 6, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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