United States · 
Who invested in FlexEnergy?
FlexEnergy's investors include SAIL Capital Partners LLC, Intervale Capital and Simon & Simon.
20102011201220132014
$4.5MSeries B$1.2MGrant$18MDebt?Round
United States · Funded startup
Who invested in FlexEnergy
Funding summaryUpdated 26 Oct 2026
$24Mraised across 4 rounds since 2009, from 4 sources
$4.5MSeries B$1.2MGrant$18MDebt
- Latest round
- RoundDec 2014
- Biggest round
- $18MDebt · Jan 2012
- Investors
- 3
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series B, $4.5M Dec 2009
- Biggest round
- $18M Debt · Jan 2012
- Usual gap between rounds
- 2.9 years the median of 2
The rounds
- Dec 2014
- Jan 2012Debt$18M2 new
Reported by flexenergy.comSEC filing: $5.0M sold, first sale Dec 2011
- Dec 2009
- Dec 2009Grant$1.2M
No investor was named in the report.
From a historical funding record
Founders and team
From FlexEnergy's own website: 1 founder, 3 on the team.
Patrick TogniFounder/Creator
- Dr. Adrian von KaenelChairman
- Goran NadProject & Sales Manager
- Pamina PortmannKey Account Manager
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.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about FlexEnergy
How much has FlexEnergy raised?
FlexEnergy has raised $24M across 4 rounds since 2009. One round did not disclose an amount, so the total is a floor.
When did FlexEnergy last raise?
FlexEnergy's most recent round was an Undisclosed round in Dec 2014.
What was FlexEnergy's biggest round?
FlexEnergy's largest round on record is $18M (Debt), in Jan 2012.
Who backed FlexEnergy first?
FlexEnergy's first round on record, in Jan 2012, was backed by SAIL Capital Partners LLC and Simon & Simon.
What stage is FlexEnergy at?
FlexEnergy's latest named round is an Undisclosed round, in Dec 2014.
Where is FlexEnergy based?
FlexEnergy is based in the United States.
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In the same sector, and raised in the last eighteen months.
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