Exergon

Exergon is a venture capital investment firm located in Paris, France, focusing on deep tech solutions aimed at facilitating energy transformation. The company targets investments across various sectors, including energy production, mobility, hydrogen, energy storage, and nuclear energy. By concentrating on these areas, Exergon aims to support innovative technologies that contribute to a sustainable energy future.

Giuseppe Sangiovanni

Co-Founder and Managing Partner

5 past transactions

Mitico

Seed Round in 2025
Mitico specializes in advanced carbon capture solutions, utilizing a patented granulated metal carbonate sorption technology developed at Caltech. This innovative approach effectively captures over 95% of carbon dioxide emissions from post-combustion sources, such as gas-fired power plants, boilers, and waste-to-energy facilities. By providing carbon capture, utilization, and storage (CCUS) as a service, Mitico enables clients to significantly reduce their carbon emissions at a lower cost compared to conventional methods. The company's technology aims to facilitate mass mitigation of carbon emissions, making it an essential partner for industries seeking to address environmental challenges and transition towards more sustainable practices.

H2SITE

Series B in 2025
H2SITE is a company focused on developing renewable technologies for on-site hydrogen production. Its innovative systems and membranes are designed to facilitate high efficiency and purity in hydrogen generation, particularly for applications such as separation and ammonia cracking. H2SITE's compact technology not only optimizes the production of low-carbon hydrogen but also enhances the viability of hydrogen transport, thereby unlocking opportunities in the global hydrogen market. By enabling businesses to produce hydrogen on-site, H2SITE helps reduce transportation costs and minimizes energy waste, positioning itself as a key player in the transition to sustainable energy 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 is a company focused on developing innovative battery materials, specifically proprietary quasi-solid gel polymer electrolytes and sodium-potassium metal anodes that facilitate the creation of quasi-solid-state sodium batteries. This technology significantly enhances energy density, making it particularly suitable for battery electric vehicles. By collaborating with battery and automotive original equipment manufacturers, TaiSan aims to scale its technology, having already established 19 non-binding memoranda of understanding. The company's advancements contribute to faster charging capabilities, reduced dendrite growth that can compromise battery life, and minimized risks associated with leakage and fire.

VoltR

Seed Round in 2023
VoltR is a manufacturing company that specializes in restoring lithium batteries. The company focuses on collecting and reconditioning these batteries to extend their lifespan, thereby reducing the overall carbon footprint. VoltR's services cater to various sectors, including e-mobility, electronic appliances, and energy storage systems, providing businesses with a sustainable solution that also helps them save costs. By giving batteries a second life, VoltR contributes to a more environmentally friendly approach to battery usage and waste management.
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