United States · 
Who invested in groSolar?
groSolar's investors include SJF Ventures, Calvert Social Venture Partners, Pennington Partners & Co and Natural Gas Partners.
2008
$10MSeries B$2.5MSeries D
United States · Series D startup
Who invested in groSolar
Funding summaryUpdated 26 Oct 2026
$13Mraised across 2 rounds since 2007, from 2 sources
$10MSeries B$2.5MSeries D
- Latest round
- Series D, $2.5MJun 2008
- Biggest round
- $10MSeries B · Dec 2007
- Investors
- 4
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, $10M Dec 2007
- Biggest round
- $10M Series B · Dec 2007
- Between rounds
- 6 months from the last two
The rounds
- Jun 2008Series D$2.5M1 new2 returning
Reported by sustainablebusiness.com
- Dec 2007Series B$10M3 new
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.
Series B2007Series D2008
SJF Ventures
Calvert Social Venture Partners
Pennington Partners & CoNatural Gas Partners
SJF VenturesCalvert Social Venture PartnersPennington Partners & CoNatural Gas PartnersEveryone who backed them
Natural Gas PartnersGrowth equity1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
This firm lists groSolar as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
Quick answers about groSolar
How much has groSolar raised?
groSolar has raised $13M across 2 rounds since 2007.
When did groSolar last raise?
groSolar's most recent round was a Series D of $2.5M in Jun 2008.
What was groSolar's biggest round?
groSolar's largest round on record is $10M (Series B), in Dec 2007.
Who backed groSolar first?
groSolar's first round on record, in Dec 2007, was backed by SJF Ventures, Pennington Partners & Co and Calvert Social Venture Partners.
What stage is groSolar at?
groSolar's latest named round is a Series D, in Jun 2008.
Where is groSolar based?
groSolar is based in the United States.
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