HESStec

hesstec.net ↗ ·Valencia ·Series B

HESStec (Hybrid Energy Storage Solutions) is a Spanish energy-storage engineering company founded in 2018 that designs modular, grid-forming hybrid battery storage systems built on proprietary power electronics, control algorithms and its Intelligent Node Management System (INMS). Its products serve transmission and distribution operators, renewable integration, commercial & industrial microgrids, EV charging infrastructure and port decarbonisation. Headquartered in Paterna (Valencia) with an R&D centre in Seville, it has raised roughly $16M across three rounds, including a €12M round in 2025 led by ABB, Suma Capital and Austrian utility Verbund.

Founded

2018

Founders

Total funds raised

€14.3M

SectorsEnergy Storage, Cleantech, Power Electronics, Renewable Energy, Deeptech Start-up MapEnergy & Climate › Batteries & EV charging

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Founders

Eugenio Domínguez Amarillo

Founder & CEO

Global models 5

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FreeWire Technologies

United States · freewiretech.com ↗

Builds battery-integrated power systems with its own power electronics for EV charging and site power, one of HESStec's target segments.

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