Clean Energy Fuels price to free cash flow CLNE

Market value divided by free cash flow over the last twelve months, since 2016.

Today, Oct 23, 2026: 14.1×
10-year median: 51.0×
Against its 10-year history: 17th; percentile: 0 is its lowest day, 100 its highest
10-year range: 7.3× to 219×
Peer median: 27.0×

Clean Energy Fuels' price to free cash flow is 14.1× as of Oct 23, 2026.

That is below its ten-year median of 51.0×, lower than on 83% of days in the last ten years.

Over that time it ranged from 7.3× in Jan 2026 to 219× in Oct 2021.

The median for 10 utility stocks of a similar size is 27.0×.

Price to free cash flow over time

Open the interactive chart, with overlays and comparisons

Year by year

Year	End of year	Low	High
2026 so far	14.1×	7.3×	18.3×
2025	7.5×	7.4×	15.5×
2024	n/m a value too high to mean anything
2023	43.0×	39.4×	158×
2022	141×	38.7×	209×
2021	79.2×	27.0×	219×
2020	43.3×	13.3×	46.0×
2019	56.2×	43.6×	85.3×
2018	65.1×	61.3×	90.5×
2017	16.3×	16.1×	78.7×
2016	73.7×	73.7×	95.1×

Against its peers

Companies in Utilities nearest Clean Energy Fuels' size, closest first, today.

Company	Price to free cash flow
CLNEClean Energy Fuels	14.1×
MNTKMontauk Renewables	n/m
ARTNAArtesian Resources	n/m
PCYOPure Cycle	39.4×
GNEGenie Energy	n/m
CWCOConsolidated Water	14.7×
GWRSGlobal Water Resources	n/m
YORWYork Water	n/m
XIFRXPLR Infrastructure	n/m
PLMKPlum Acquisition Corp, IV	n/m
UTLUnitil	n/m
Peer median	27.0×

What the price to free cash flow tells you

Market value divided by free cash flow: the cash left after running the business and paying for equipment. Cash is harder to manage than accounting earnings, so many investors trust this more than PE.

Lumpy: a big year of building factories drops cash flow and inflates the ratio without the business getting worse.

More on Clean Energy Fuels

Valuation data, not investment advice. Prices as of Oct 23, 2026. Reported figures come from the company's filings with the SEC.