United States · Funded startup

Who invested in Propel Fuels

8 rounds we have observed, with the 7 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Cleantech

Funding summaryUpdated 26 Oct 2026

$42Mraised across 8 rounds since 2007, from 8 sources

$750KSeed$4.8MSeries A$4.0MDebt$750KGrant$8.0MDebt$12MSeries C$1.0MGrant$11MGrant
Latest round
Grant, $11MMar 2010
Biggest round
$12MSeries C · Feb 2010
Step-upi
10.9×
Investors
7
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

200820092010
$750KSeed$4.8MSeries A$750KGrant$8.0MDebt$12MSeries C$11MGrant
First round
Seed, $750K
Jun 2007
Biggest round
$12M
Series C · Feb 2010
Usual gap between rounds
10 months
the median of 3

The rounds

  1. Mar 2010
    Grant$11M

    No investor was named in the report.

    Reported by propelfuels.com

  2. Mar 2010
  3. Feb 2010
    Debt$8.0M1 new

    Reported by earth2tech.com

  4. Feb 2010
  5. Jun 2008
    Grant$750K1 new
    • Sacramento AQMD

    Reported by news10.net

  6. Aug 2007
    Debt$4.0M1 new

    From a historical funding record

  7. Aug 2007
    Series A$4.8M2 new

    Reported by sec.gov

  8. Jun 2007
    Seed$750K

    No investor was named in the report.

    From a historical funding record

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Seed2007Series A2007Debt2007Grant2008Debt2010Series C2010Grant2010Grant2010Company VenturesNth PowerHercules CapitalCalifornia Energy CommissionComerica IncorporatedCraton Equity PartnersSacramento AQMD

Everyone who backed them

Company VenturesVC firm2rounds
Nth PowerVC firm2rounds
Hercules CapitalVenture debt1round
Comerica IncorporatedCorporate VC1round
Craton Equity PartnersInvestment firm1round
Sacramento AQMDno record of our own yet1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about Propel Fuels

Who invested in Propel Fuels?

Propel Fuels's investors include Company Ventures, Nth Power, Hercules Capital, California Energy Commission and Comerica Incorporated, and 2 more on record.

How much has Propel Fuels raised?

Propel Fuels has raised $42M across 8 rounds since 2007.

When did Propel Fuels last raise?

Propel Fuels's most recent round was a Grant of $11M in Mar 2010.

What was Propel Fuels's biggest round?

Propel Fuels's largest round on record is $12M (Series C), in Feb 2010.

Who backed Propel Fuels first?

Propel Fuels's first round on record, in Aug 2007, was backed by Company Ventures and Nth Power.

What stage is Propel Fuels at?

Propel Fuels's latest named round is a Grant, in Mar 2010.

Where is Propel Fuels based?

Propel Fuels is based in the United States.

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