Exergon

Established in 2022 and headquartered in Paris, Exergon is a venture capital firm focusing on investments in deep tech solutions for the energy transformation sector.

Giuseppe Sangiovanni

Co-Founder and Managing Partner

8 past transactions

Mitico

Seed Round in 2025
Mitico specializes in advanced carbon capture technology. Utilizing its patented granulated metal carbonate sorption process, developed at Caltech, Mitico removes over 95% of CO2 emissions from post-combustion sources such as gas-fired power plants and waste-to-energy facilities. This enables cost-effective carbon capture, utilization, and storage (CCUS) services.

H2SITE

Series B in 2025
H2SITE develops on-site hydrogen production technology that enables compact systems for generating hydrogen at customer sites. The technology supports low-carbon hydrogen production and integrates production, transportation, and storage, making hydrogen transport more viable and helping unlock hydrogen markets. The company aims to help businesses reduce transportation costs and energy waste by providing efficient, on-site hydrogen solutions.

Otrera

Seed Round in 2024
Otrera provides customizable solutions for delivering low-carbon energy to industries and local communities.

TaiSan

Pre Seed Round in 2024
TaiSan specializes in advanced battery technology for electric vehicles. It has developed proprietary quasi-solid gel polymer electrolyte and sodium-potassium metal anode, enhancing energy density and safety while enabling fast charging.

Blue Capsule Technology

Seed Round in 2024
Blue Capsule Technology specializes in developing advanced nuclear reactors designed to produce industrial-grade heat for various industries. Their innovative technology uses TRI-structural isotropic particle fuel and sodium cooling in an underground modular system, aiming to reduce dependence on fossil fuels and decarbonize high-temperature processes.

VoltR

Seed Round in 2024
VoltR is a manufacturing company focused on restoring lithium batteries to promote sustainability and reduce carbon footprints. The company specializes in collecting and reconditioning lithium batteries, allowing them to be repurposed for various applications, including e-mobility, electronic appliances, and energy storage systems. By extending the lifecycle of these batteries, VoltR enables businesses to achieve cost savings while contributing to environmental conservation.

Entroview

Seed Round in 2024
Entroview is a deep‑tech company that develops battery software diagnostics and advanced battery management technology. Its platform uses entropy‑based analysis of battery thermodynamics to assess health across a wide range of battery types and sizes. The solution has been validated in industrial settings, including gigafactories and battery dismantling facilities, and is used by manufacturers, mobility leaders, and automotive recyclers to optimise performance, extend lifecycle, and support sustainable reuse or recycling practices.

VoltR

Seed Round in 2023
VoltR is a manufacturing company focused on restoring lithium batteries to promote sustainability and reduce carbon footprints. The company specializes in collecting and reconditioning lithium batteries, allowing them to be repurposed for various applications, including e-mobility, electronic appliances, and energy storage systems. By extending the lifecycle of these batteries, VoltR enables businesses to achieve cost savings while contributing to environmental conservation.
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