EREN Groupe
VC Fund
Luxembourg, Luxembourg
EREN Groupe is a VC fund in Luxembourg focused on Energy and Renewable Energy. EREN Groupe is recognized as a key player in renewable energy production, mainly in the wind and photovoltaic sectors.
- Total investments:
- 16
- Last investment:
- Lead investor:
- 31%
Last updated:
For AI agents: llms.txt
Industries EREN Groupe invests in
Stages EREN Groupe invests in
Countries EREN Groupe invests in
Round sizes
Round size
- Seed
- $1.1M–$16M
- Corporate Round
- $14M–$55M
- Venture - Series Unknown
- $3.2M–$46M
Investment Focus
Industry
- Energy 9 (56%)
- Renewable Energy 4 (25%)
- Energy Efficiency 3 (19%)
- Nuclear 2 (13%)
- Industrial 2 (13%)
Stage
- Seed 4 (25%)
- Venture - Series Unknown 4 (25%)
- Corporate Round 3 (19%)
- Funding Round 2 (13%)
- Series B 1 (6%)
Country
- France 10 (63%)
- Israel 1 (6%)
- Switzerland 1 (6%)
- United States 1 (6%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Homaio provides individuals with financial exposure to the most established and liquid carbon compliance markets worldwide. They hold physical carbon allowances in custody to support investments, effectively reducing emissions by an equivalent quantity. | $4.2M / Seed / Mar 18, 2026 | ||
| Jimmy develops and operates thermal generators that supply industrial facilities with process heat produced through nuclear fission. The company designs compact generators that use high-temperature reactor technology to create heat without combustion and deliver it to industrial systems through heat transfer circuits. Its systems connect to factoryinfrastructure and provide heat for processes such as steam production, thermal oil heating, or hot air generation. Jimmy installs, operates, and manages these generators as integrated energy units adapted to the heat demand of each industrial site. The technology relies on micro-reactor architecture and modular deployment so multiple units can be combined to match required thermal output. Through this approach, Jimmy provides industrial heat that replaces fossil-fuel-based heat sources in manufacturing and processing operations. | $46.1M / Venture - Series Unknown / Mar 09, 2026 | ||
| ExerGo provides energy concepts, feasibility studies, and engineering services for thermal network projects. | Venture - Series Unknown / Feb 17, 2026 | ||
| Water Horizon is an energy-tech company that offers innovative renewable energy solutions for industrial heating and cooling applications. | $20.9M / Series B / Nov 26, 2025 | ||
| HEXANA is an energy platform that combines flexible sodium-cooled fast neutron reactors with a thermal management system. | $15.6M / Seed / Jan 23, 2025 | ||
| Blue Capsule Technology is a nuclear power company that specializes in the development of advanced innovative reactors to produce industrial-grade heat for industry. | $2.2M / Seed / Jul 04, 2024 | ||
| TIGI introduces the Honeycomb Collector, a new breed of solar-thermal (water heating) collectors that turns sunlight to heat. Our collector is unique in its ability to minimize energy losses to the environment, resulting in very high efficiency and economic value even in freezing winter conditions or for high temperature applications, where today’shigh end collectors perform poorly. TIGI targets large users of heat for applications such as space heating and cooling, industrial process heat, and domestic hot water including in cold climate. Over 40% of the total end use of energy in most developed countries goes toward water heating for sanitary needs and towards space heating (which is most frequently based on circulation of hot water through radiators, under-floor pipes or fan-coils). TIGI provides an environmentally-friendly solution at a fraction of the energy cost of any other alternative for this vast energy market. TIGI’s solution can easily be retrofitted to most existing users' heat systems. | Corporate Round / Jun 30, 2024 | ||
| Airthium builds a new kind of energy storage system, that stores electricity as heat - reversibly - and in the form of ammonia.The system relies on a high-temperature heat pump/heat engine to heat molten salt to 540°C ( 1000°F), and then convert the heat back into electricity, with a 70% roundtrip efficiency.Airthium's units can beused to store and deliver solar and wind energy, starting at 100 kW and up to GW scale (Utility).Moreover, an ammonia generation unit and an external ammonia burner can be added to the system, to provide uninterruptible power, or go off-grid, even after several days of bad weather (no sun/wind). | $3.2M / Venture - Series Unknown / Mar 26, 2024 | ||
| TRYON, the project of installation of anaerobic digestion at home. | $6.5M / Venture - Series Unknown / Jan 31, 2024 | ||
| NAAREA is a micro-nuclear power energy company that produces electricity for various industrial consumers. | $54.9M / Corporate Round / Nov 29, 2023 | ||
| See all 16 investments → | |||
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FAQ
What does EREN Groupe invest in?
EREN Groupe invests primarily in Energy, Renewable Energy and Energy Efficiency startups, most often at Seed and Venture - Series Unknown stage. Most of the 16 investments tracked by Shizune back companies in France. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is EREN Groupe's check size?
EREN Groupe typically joins rounds of $1.1M–$16M at Seed, $14M–$55M at Corporate Round and $3.2M–$46M at Venture - Series Unknown. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds EREN Groupe participates in.
When did EREN Groupe last invest?
The most recent investment recorded for EREN Groupe closed in Mar 2026. Shizune tracks 16 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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