United States · 
Who invested in Energy Solutions International?
Energy Solutions International's investors include Triangle Capital Corporation and Inverness Graham Investments.
200520062007200820092010
$2.0MVenture$9.5MVentureUnited States · Venture startup
Who invested in Energy Solutions International
Funding summaryUpdated 26 Oct 2026
$12Mraised across 2 rounds since 2004, from 2 sources
$2.0MVenture$9.5MVenture
- Latest round
- Venture, $9.5MJun 2010
- Step-upi
- 4.8×
- Investors
- 2
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Venture, $2.0M Jul 2004
- Biggest round
- $9.5M Venture · Jun 2010
- Between rounds
- 5.9 years from the last two
The rounds
- Jun 2010
- Jul 2004
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 Energy Solutions International
How much has Energy Solutions International raised?
Energy Solutions International has raised $12M across 2 rounds since 2004.
When did Energy Solutions International last raise?
Energy Solutions International's most recent round was a Venture of $9.5M in Jun 2010.
What was Energy Solutions International's biggest round?
Its most recent round, $9.5M in Jun 2010, is also its largest on record.
Who backed Energy Solutions International first?
Energy Solutions International's first round on record, in Jul 2004, was backed by Inverness Graham Investments.
What stage is Energy Solutions International at?
Energy Solutions International's latest named round is a Venture, in Jun 2010.
Where is Energy Solutions International based?
Energy Solutions International is based in the United States.
Companies like Energy Solutions International
In the same sector, and raised in the last eighteen months.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.