Who invested in H2SITE

2 rounds we have observed, with the 3 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Energy

Raised 2 months ago

Funding summaryUpdated 26 Oct 2026

$3.9Mraised across 2 rounds since 2025, from 2 sources

Latest round: Grant, $3.9MSept 2026
Investors: 3

See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2026

?Venture$3.9MGrant

First round: Venture
Biggest round: $3.9M
Between rounds: 14 months

The rounds

Sept 2026
Grant$3.9M3 returning
Source recorded
Jul 2025
VentureAmount undisclosed3 new
Source recorded

Founders and team

From H2SITE's own website: 10 on the team.

Andrés GalnaresChief Executive Officer
Javier CavadaHead of the Board
Mitsubishi PowerHead of the Board
Allegra Kowalewsky-FerreiraPartner
Gaëtan BonhommePartner
Gorka HermosoFinancial Director
Johann BoukhorsManaging Director
Jon MeléndezTechnical Director
Jose Antonio MedranoTechnical Director
Kjersti ReinsnosManaging Director

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Venture2025Grant2026

EIC Accelerator

Breakthrough Energy

MassMutual Ventures

Everyone who backed them

EIC AcceleratorGovernment2rounds

Breakthrough EnergyVC firm2rounds

MassMutual VenturesVC firm2rounds

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

These 2 firms list H2SITE as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.