FCEL vs CLNE

For growth investors, FuelCell Energy, Inc.

(FCEL) is the stronger pick with 41. 0% revenue growth year-over-year, versus 2. 2% for Clean Energy Fuels Corp. (CLNE). Analysts rate Clean Energy Fuels Corp. (CLNE) a "Buy" — based on 22 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

Over the past 5 years, Clean Energy Fuels Corp.

(CLNE) delivered a total return of -73. 8%, compared to -95. 0% for FuelCell Energy, Inc. (FCEL). Over 10 years, the gap is even starker: CLNE returned -26. 9% versus FCEL's -99. 4%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Clean Energy Fuels Corp.

(CLNE) is the lower-risk stock at 1. 19β versus FuelCell Energy, Inc. 's 2. 91β — meaning FCEL is approximately 144% more volatile than CLNE relative to the S&P 500. On balance sheet safety, Clean Energy Fuels Corp. (CLNE) carries a lower debt/equity ratio of 18% versus 20% for FuelCell Energy, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), FuelCell Energy, Inc.

(FCEL) is pulling ahead at 41. 0% versus 2. 2% for Clean Energy Fuels Corp. (CLNE). On earnings-per-share growth, the picture is similar: Clean Energy Fuels Corp. grew EPS -173. 0% year-over-year, compared to -1414. 3% for FuelCell Energy, Inc.. Over a 3-year CAGR, FCEL leads at 6. 6% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Clean Energy Fuels Corp.

(CLNE) is the more profitable company, earning -52. 3% net margin versus -118. 8% for FuelCell Energy, Inc. — meaning it keeps -52. 3% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: CLNE leads at -22. 1% versus -76. 6% for FCEL. At the gross margin level — before operating expenses — CLNE leads at 4. 2%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

In this comparison, FCEL (1.

0% yield) pays a dividend. CLNE does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Clean Energy Fuels Corp.

(CLNE) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1. 19)). FuelCell Energy, Inc. (FCEL) carries a higher beta of 2. 91 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (CLNE: -26. 9%, FCEL: -99. 4%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

These companies operate in different sectors (FCEL (Industrials) and CLNE (Energy)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: FCEL is a small-cap high-growth stock; CLNE is a small-cap quality compounder stock. FCEL pays a dividend while CLNE does not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.