J
Jimmy
Designs and operates atomic thermal generators to massively decarbonize industry
About Jimmy
Jimmy Energy is a forward-thinking startup that designs and operates thermal generators to provide its clients with decarbonized heat at a lower cost than that obtained from fossil fuels. The company operates in the energy market, specifically focusing on industrial heat supply. Its unique selling point is the use of a micro nuclear reactor within its generators, which produces decarbonized heat, offering a sustainable and cost-effective alternative to traditional fossil fuels.
The business model of Jimmy Energy is straightforward. It involves the production, transmission, conversion, and utilization of heat. The heat produced by the micro nuclear reactor is transported in a primary circuit and then transferred to a secondary circuit via a heat exchanger. This heat is then used by industrial clients for their processes without the need for significant modifications to their existing installations.
Jimmy Energy's services are particularly beneficial for industrial clients seeking to reduce their carbon footprint and improve air quality, while also increasing their competitiveness by lowering their energy costs. The company's solutions have minimal visual impact and do not contribute to noise pollution, making them an attractive option for businesses in urban areas or those with strict environmental regulations.
In terms of revenue, Jimmy Energy makes money by selling its decarbonized heat to industrial clients. The company's competitive pricing, combined with the growing demand for sustainable energy solutions, positions it well for future growth.
Source: Dealroom company dataAt a glance
- Status
- Operational
- Founded
- 2020
- Headquarters
- Paris, France
- Employees
- 132
- Open positions
- 8
- Dealroom signal
- 77.7/100
- Sub-industry
- Clean Energy
- Sector
- Energy, Nuclear, Spinout, Thermal, Sustainable Development Goals, Nuclear Fission, Industrial Technology, Climate Tech, Novel Energy, Energy and Greentech
- Technology
- Hardware, Deep Tech
- Business model
- Manufacturing
- Client focus
- b2b
Knowledge graph
More headlines
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| LATE VCOther financing | Mar 2026 | $88M | $352M | Omnes Capital · Serena · Noria Invest · Eren Groupe | ↗ |
| GRANTOther financing | Nov 2023 | $35M | — | France 2030 | ↗ |
Growth signals
Latest recorded traffic for Jimmy is 6.3K monthly website visits, up 28.6% over the last three months. Jimmy's team grew 4.8% over the past year.
Open positions
Similar companies
Company identity and context are open; selected comparison metrics preview what is available on the platform.
Investments and acquisitions
Recent portfolio relationships for companies that also act as investors or acquirers.
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Seed5 investors entered at this stage
Noria Invest
Otium Capital- EIEREN INDUSTRIES
Polytechnique Ventures
France 2030
Series B and later5 investors entered at this stage
Omnes Capital
Serena
Eren Groupe
ADEME Investissement
Crédit Mutuel Impact
Other known investors2 additional known investors
École Polytechnique - IP Paris
IP Paris
Source: Dealroom Talent Intelligence.
Global footprint
team presence
Market sentiment
An AI-synthesised read of the highest-engagement posts about Jimmy on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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