# H2SITE

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/h2site

- Industry: Renewable Energy
- Headquarters: Spain
- Website: www.h2site.eu
- Total disclosed funding: $61M
- Latest round: Grant (Sep 23, 2026)
- Investors on record: 14

## About

Based in Loiu, Spain, founded in 2020, Hydrogen Onsite, S.L., trading under the name H2SITE focuses on hydrogen production technology. The company was co-founded by Andres Galnares (CEO ), Jose Antonio Medrano, Jon Melendez and Gorka Hermoso. In September 2026, H2SITE raised EUR 3.4 million in venture funding from Enova. 
Hydrogen Onsite, S.L. (doing business as H2SITE) develops membrane reactor and hydrogen separation technologies. The company's products are used for the separation, purification, and recovery of hydrogen from feedstocks including ammonia, methanol, and syngas. Its offerings include membrane-based systems for hydrogen transport, hydrogen production, and gas separation applications. The company serves customers in the energy, industrial, automotive, mobility, and manufacturing sectors.
Hydrogen Onsite, S.L. (doing business as H2SITE)  generates revenue through the sale and deployment of membrane reactor systems, hydrogen separation technologies, and related engineering solutions. Revenue is derived from commercial agreements with industrial customers requiring hydrogen production, purification, transport, and gas separation systems.
The company plans to use the September 2026 funding to support its growth and further development of its ammonia-to-power system.

## Funding rounds

- Grant, Sep 23, 2026, $3.9M — Gobierno noruego
- Series B, Jun 25, 2026, $6.9M — European Innovation Council
- Series B, Jan 17, 2025, $37M — Suma Capital, Gestion de Capital Riesgo del Pais Vasco, MassMutual Ventures, Breakthrough Energy Ventures, Ezten Venture Capital Fund, Hy24, Exergon, Equinor Ventures, Enagas Emprende
- Series A, Jun 30, 2022, $13M — Gestion de Capital Riesgo del Pais Vasco, Seed Capital de Bizkaia, Tecnalia Ventures, ENGIE New Ventures, Breakthrough Energy Ventures, Equinor Ventures

## Investors

- Gestion de Capital Riesgo del Pais Vasco (https://capitalatlas.ai/funds/gestion-de-capital-riesgo-del-pais-vasco) — Series A, Series B
- Seed Capital de Bizkaia (https://capitalatlas.ai/funds/seed-capital-de-bizkaia) — Series A
- Tecnalia Ventures — Series A
- ENGIE New Ventures (https://capitalatlas.ai/funds/engie-new-ventures) — Series A
- Breakthrough Energy Ventures (https://capitalatlas.ai/funds/breakthrough-energy-ventures) — Series A, Series B
- Equinor Ventures — Series A, Series B
- Suma Capital (https://capitalatlas.ai/funds/suma-capital) — Series B
- MassMutual Ventures (https://capitalatlas.ai/funds/massmutual-ventures) — Series B
- Ezten Venture Capital Fund — Series B
- Hy24 (https://capitalatlas.ai/funds/hy24) — Series B
- Exergon (https://capitalatlas.ai/funds/exergon) — Series B
- Enagas Emprende (https://capitalatlas.ai/funds/enagas-emprende) — Series B
- European Innovation Council (https://capitalatlas.ai/funds/european-innovation-council) — Series B
- Gobierno noruego — Grant