Stocks Comparison
Clean Energy Fuels vs Montauk Renewables: revenue, profit, margins and growth compared
Clean Energy Fuels brought in $424.8M of revenue in fiscal 2025, Montauk Renewables $176.4M in fiscal 2025. Revenue changed by +2.2% at Clean Energy Fuels and +0.4% at Montauk Renewables on the year before, so Clean Energy Fuels grew faster. Clean Energy Fuels kept -52.3% of its revenue as net profit, Montauk Renewables 1.0%. Free cash flow was $59.9M at Clean Energy Fuels and -$86.2M at Montauk Renewables.
Side by side, latest fiscal year
| CLNE | MNTK | |
|---|---|---|
| Fiscal year ended | FY2025 (December 31, 2025) | FY2025 (December 31, 2025) |
| Revenue | $424.8M | $176.4M |
| Revenue growth | +2.2% | +0.4% |
| Net income | -$222M | $1.7M |
| Net margin | -52.3% | 1.0% |
| Free cash flow | $59.9M | -$86.2M |
| Free cash flow margin | 14.1% | -48.9% |
| Earnings per share (diluted) | -$1.01 | $0.01 |
| Cash | $155.6M | $23.8M |
| Debt | $226.8M | $126M |
| Price to earnings | n/a | 293.0 |
| Market value | $352.7M | $417.1M |
| Dividend yield | n/a | n/a |
| Rank by revenue in sector | #91 of 109 · Utilities | #94 of 109 · Utilities |
Over the years
Questions about Clean Energy Fuels and Montauk Renewables
Which is bigger by revenue, Clean Energy Fuels or Montauk Renewables?
Clean Energy Fuels is bigger by revenue: $424.8M in fiscal 2025, against $176.4M for Montauk Renewables in fiscal 2025.
Which keeps more of its revenue as profit, Clean Energy Fuels or Montauk Renewables?
Clean Energy Fuels had a net margin of -52.3% in fiscal 2025; Montauk Renewables had 1.0% in fiscal 2025.
Which grew revenue faster, Clean Energy Fuels or Montauk Renewables?
In their latest fiscal years revenue changed by +2.2% at Clean Energy Fuels and +0.4% at Montauk Renewables.
Where do these numbers come from?
From the annual reports each company files with the SEC (10-K, or 20-F and 40-F for foreign companies), read from their XBRL data. Margins and growth are simple arithmetic on those figures. Nothing here is a recommendation.