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Energy Tech Series B Founded 2018

HESStec

Win Inertia designs and develops energy storage solutions based on proprietary power electronics, energy storage systems such as batteries & ultracapacitors, and patented energy management algorithms. Can be used for remote off-grid installations, defense, cell mobile stations, and broadcasting applications. Founded in 2018, headquartered in Paterna, Spain. The company has raised $16.4M in funding at the series b…

📍 Paterna, Spain · Energy Storage Tech

Funding snapshot

Last roundSeries B
Amount$14M
Date6 June 2025
Total raised$16M
Team size62

About

Win Inertia designs and develops energy storage solutions based on proprietary power electronics, energy storage systems such as batteries & ultracapacitors, and patented energy management algorithms. Can be used for remote off-grid installations, defense, cell mobile stations, and broadcasting applications. Founded in 2018, headquartered in Paterna, Spain. The company has raised $16.4M in funding at the series b stage. The team comprises 62 (Jun 30, 2026) employees. The company operates in the Energy Storage Tech sector. Its business model centers on Hybrid. Founded in 2018, headquartered in Paterna, Spain. The company has raised $16.4M at the Series B stage. Backed by investors including Elewit, RIC Energy, Europa, ABB, Suma Capital and others.

Business model

Energy Storage Tech > Energy Storage System > Hybrid

Institutional investors

Elewit RIC Energy Europa Suma Capital Verbundx EDP Starter

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