United Kingdom · 
Who invested in Open Energi?
Open Energi's investors include Low Carbon Accelerator and Ombu Group.
20092011201320152017201920212023
$300KVenture$8.1MVenture$13MRound
United Kingdom · Venture startup
Who invested in Open Energi
Funding summaryUpdated 26 Oct 2026
$22Mraised across 3 rounds since 2009, from 3 sources
$300KVenture$8.1MVenture$13MRound
- Latest round
- Round, $13MJun 2023
- Step-upi
- 1.6×
- 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, $300K Mar 2009
- Biggest round
- $13M Round · Jun 2023
- Usual gap between rounds
- 10.7 years the median of 2
The rounds
- Jun 2023Round$13M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
- Oct 2012
- Mar 2009
Funding filed with regulators
Open Energi filed one raise, $13M in all. Filings say how much was sold and to how many investors; they never name the investors.
- Jun 2023$13MUK share allotment
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
Low Carbon AcceleratorVC firm1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Open Energi
How much has Open Energi raised?
Open Energi has raised $22M across 3 rounds since 2009.
When did Open Energi last raise?
Open Energi's most recent round, $13M, was in Jun 2023.
What was Open Energi's biggest round?
Its most recent round, $13M in Jun 2023, is also its largest on record.
Who backed Open Energi first?
Open Energi's first round on record, in Mar 2009, was backed by Low Carbon Accelerator.
What stage is Open Energi at?
Open Energi's latest named round is a Venture, in Oct 2012.
Where is Open Energi based?
Open Energi is based in the United Kingdom.
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