About Cella Energy
Cella Energy is an Energy & Utilities company based in Harwell (United Kingdom) founded in 2011 by Stephen Voller. Hydrogen storage systems are provided using nanostructured microfibres and beads. Cella Energy has raised $4.33 million across 4 funding rounds. The company has 8 employees. Cella Energy was last valued at $3.57 million in August 2015. Its chief executive, as recorded, is Stephen Voller. Cella Energy offers products and services including Westinghouse Wgen7500, Honda EU3000IS, and Generac iQ3500. Its focus areas include Energy Tech, Energy Storage Tech, Hydrogen and Hydrogen Storage. Its legal entity is Cella Energy Limited.
Company details
Cella Energy was founded in 2011 and is based in Harwell, United Kingdom. Hydrogen storage systems are developed within the clean energy sector. Patented technology involving nanostructured microfibres and beads is employed for applications in vehicles and portable power units. Operations center on advancing storage solutions for hydrogen-based energy needs, with key leadership including co-founder Stephen Voller as CEO and Nicholas Brunero as executive director.
- Headquarters Harwell, United Kingdom
- Employees 8
- Founders Stephen Voller
- Stage Minicorn
- SectorsEnergy & Utilities
- Website cellaenergy.com
- Social LinkedIn X
- Legal Name Cella Energy Limited
- Total Equity Funding$4.33M (USD)
in 4 rounds
- Latest Funding Round$467K (USD), Seed
Aug 2015
- Employee Count8
Products & Services of Cella Energy
Cella Energy offers a comprehensive portfolio of products and services, including Westinghouse Wgen7500, Honda EU3000IS, and Generac iQ3500.
Reliable generator for emergency power and outdoor use.
Quiet generator suitable for camping and home backup.
Efficient generator with smart features for power needs.
Funding Insights of Cella Energy
Cella Energy has successfully raised a total of $4.33M across 4 strategic funding rounds. The most recent funding activity was a Seed round of $467 thousand completed in August 2015. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $4.33M
- Total Rounds 4
- Last Round Seed — $467,000
- First Round $2M
(Apr 2013)
All 4 funding rounds of Cella Energy with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Aug 2015 | $467,000 | Seed | $3.57M | – | – |
| May 2015 | $1.3M | Seed | – | – | – |
| Jun 2014 | $562,000 | Seed | $1.65M | – | – |
| Apr 2013 | $2M | Seed | – | – | – |
| Date | Valuation | Stage |
|---|---|---|
| Aug 2015 | $3.57M | •••••••• |
| Jun 2014 | $1.65M | •••••••• |
Last known valuation $3.57M (Aug 2015).
People of Cella Energy
2 people are tracked at Cella Energy (2 in leadership); the tracked headcount is 8.
| Name | Role | Group |
|---|---|---|
Stephen Voller | Co-Founder & CEO | Leadership |
Nicholas Brunero | Executive Director | Leadership |
Complete people profiles for Cella Energy
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Timeline of Cella Energy
4 dated milestones of Cella Energy across 4 years, from founding to its latest funding, stage changes and deals.
- Founded Cella Energy is founded.
- Funding First funding round of $2.0M.
- Milestone Reaches Minicorn status.
- Funding Latest funding round, Seed, of $467K.
Top companies in Energy Storage Systems
2 companies that operate in the same segment as Cella Energy (Energy Storage Systems) in United Kingdom, ranked by their profile score on The Company Check.
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Frequently Asked Questions about Cella Energy
Cella Energy was founded in 2011 and raised its 1st funding round 2 years after it was founded.
Cella Energy is headquartered in Harwell, United Kingdom. It is registered at Harwell, Oxfordshire, United Kingdom.
Stephen Voller is the CEO of Cella Energy, as recorded in our data. They have also founded this company.
Cella Energy is a funded company, having raised a total of $4.33M across 4 funding rounds to date. The company's 1st funding round was a Seed of $2M, raised on Apr 2013.
Cella Energy has 8 employees.
Cella Energy was founded in 2011 and is based in Harwell, United Kingdom. Hydrogen storage systems are developed within the clean energy sector. Patented technology involving nanostructured microfibres and beads is employed for applications in vehicles and portable power units. Operations center on advancing storage solutions for hydrogen-based energy needs, with key leadership including co-founder Stephen Voller as CEO and Nicholas Brunero as executive director.
Cella Energy offers Westinghouse Wgen7500, Honda EU3000IS, and Generac iQ3500.
The valuation of Cella Energy is $3.57M as of Aug 2015.
Cella Energy operates through Cella Energy Limited.