# Exergon

> Exergon is a VC fund in Paris backing Energy, Nuclear and Renewable Energy. See 12 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Paris, France
- Total investments: 12
- Last investment: Jul 2026
- Lead investor: 8%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/exergon-ventures
- Website: https://www.exergon.com/

Exergon is a European venture capital fund that specializes in deep tech solutions for the energy transformation.

## Contacts

5 contacts available for Exergon. Shizune tracks 1 team members at Exergon. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/exergon-149c?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.6M–$27M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Energy | 5 | 42% |
| Nuclear | 3 | 25% |
| Renewable Energy | 3 | 25% |
| Battery | 2 | 17% |
| Manufacturing | 2 | 17% |

12 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 8 | 67% |
| Pre-Seed | 1 | 8% |
| Series B | 1 | 8% |
| Venture - Series Unknown | 1 | 8% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| France | 6 | 50% |
| Italy | 1 | 8% |
| Spain | 1 | 8% |
| United States | 1 | 8% |
| United Kingdom | 1 | 8% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Giuseppe Sangiovanni | Co-Founder and Managing Partner | 1 | https://shizune.co/investors/profile/giuseppe-sangiovanni |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| TaiSan | TaiSan is Battery Materials company, innovated proprietary quasi-solid gel polymer electrolyte and sodium-potassium metal anode to enable quasi-solid-state sodium battery. It leads to best-in-class energy density. We work with battery and automotive OEMs to scale our technology and signed 19 non-binding MoUs. | $6.2M | Seed | Jul 06, 2026 |  |
| Sinergy Flow | Sinergy Flow develops redox flow batteries based on earth's abundant and low-cost material, compliant with the circular economy principles. They respond to customer inquiries by email. | $8.3M | Seed | Feb 25, 2026 |  |
| STELLARIA | Stellaria is a 200 MWe molten salt reactor with 20-year autonomy, delivering safe, sustainable nuclear power without refueling. | $26.7M | Venture - Series Unknown | Jul 18, 2025 |  |
| STELLARIA | Stellaria is reimagining sustainable rapid neutron nuclear energy. | $26.7M | Seed | Jul 17, 2025 |  |
| Mitico | C-Quester is a carbon capture startup that offers point source emitters, primarily natural gas powerplants, the ability to absorb CO2 emissions at a 40% lower cost than existing systems. | $4.3M | Seed | Feb 25, 2025 |  |
| H2SITE | Systems and Membranes for high efficiency and purity Hydrogen production i.e. for Separation or Ammonia cracking | $37.1M | Series B | Jan 16, 2025 |  |
| Otrera | Otrera provides customizable solutions for delivering low-carbon energy to industries and local communities. | $2.6M | Seed | Dec 04, 2024 |  |
| TaiSan | TaiSan is Battery Materials company, innovated proprietary quasi-solid gel polymer electrolyte and sodium-potassium metal anode to enable quasi-solid-state sodium battery. It leads to best-in-class energy density. We work with battery and automotive OEMs to scale our technology and signed 19 non-binding MoUs. | $1.7M | Pre-Seed | Jul 24, 2024 |  |
| Blue Capsule Technology | 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 |  |
| VoltR | VoltR is a manufacturing company specializes in restoring lithium batteries. | $4.3M | Seed | Jun 24, 2024 |  |

10 of 12 investments shown.

## Co-investors
- [360 Capital](https://shizune.co/investors/profile/360-capital-partners) — VC Fund, 4 deals together
- [CEA Investissement](https://shizune.co/investors/profile/cea-investments) — VC Fund, 4 deals together
- [AFI Ventures](https://shizune.co/investors/profile/afi-ventures) — VC Fund, 2 deals together
- [Anjou Amorcage](https://shizune.co/investors/profile/anjou-amorcage) — VC Fund, 2 deals together
- [At One Ventures](https://shizune.co/investors/profile/at-one-ventures) — VC Fund, 2 deals together
- [C4 Ventures](https://shizune.co/investors/profile/c4-ventures) — VC Fund, 2 deals together

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## FAQ

### What does Exergon invest in?

Exergon invests primarily in Energy, Nuclear and Renewable Energy startups, most often at Seed and Pre-Seed stage. Most of the 12 investments tracked by Shizune back companies in France. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Exergon's check size?

Exergon typically joins rounds of $1.6M–$27M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Exergon participates in.

### How do I contact Exergon?

Public channels for Exergon include LinkedIn and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at Exergon?

The team at Exergon includes Giuseppe Sangiovanni (Co-Founder and Managing Partner). The Team section lists each member with their title, investment count and links.

### 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 Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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