United States · 
Who invested in Ener1?
Ener1's investors include ITOCHU Corporation.
United States · Venture startup
Who invested in Ener1
One round we have observed, with the one investor named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Funding summaryUpdated 26 Oct 2026
$20Mraised across 1 round since 2009, from 1 source
- Latest round
- Venture, $20MDec 2009
- Investors
- 1
The rounds
- Dec 2009
Everyone who backed them
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Quick answers about Ener1
How much has Ener1 raised?
Ener1 has raised $20M across 1 round since 2009.
When did Ener1 last raise?
Ener1's most recent round was a Venture of $20M in Dec 2009.
What was Ener1's biggest round?
Its most recent round, $20M in Dec 2009, is also its largest on record.
Who backed Ener1 first?
Ener1's first round on record, in Dec 2009, was backed by ITOCHU Corporation.
What stage is Ener1 at?
Ener1's latest named round is a Venture, in Dec 2009.
Where is Ener1 based?
Ener1 is based in the United States.
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