We've raised a €2.7M pre-seed round to build our pilot and grow the team

Read the announcement →

We've raised a €2.7M pre-seed round to build our pilot and grow the team

Read the announcement →

We've raised a €2.7M pre-seed round to build our pilot and grow the team

Read the announcement →

Join us

Join us

Mission

We make clean energy accessible, affordable, and scalable for a sustainable future.

Juri Volodin

CEO & Founder

Juri is the founder and technical architect behind our electrolyzer. He holds two MScs from the European Wind Energy and Electrical Power Systems program (TU Delft and NTNU).

Fedor Stomakhin

COO & Co-founder

Fedor holds an MSc in Data Science (cum laude) with 6 years in software and AI. He leads operations, financial modeling, and commercial strategy.

Our journey

2026

March

Pilot started

Partnered with SwitcH2 Offshore to build a pilot for our electrolyzer stack at the Port of Rotterdam.

Pilot started

Partnered with SwitcH2 Offshore to build a pilot for our electrolyzer stack at the Port of Rotterdam.

2025

December

Built 7 prototypes

Over the course of the year we built several different prototypes to test and improve our design.

Built 7 prototypes

Over the course of the year we built several different prototypes to test and improve our design.

October

Filed two more patents

Filed two more patents to protect our bipolar plateless design and in-situ catalyst redeposition.

Filed two more patents

Filed two more patents to protect our bipolar plateless design and in-situ catalyst redeposition.

September

Joined YES!Delft

Admitted to the Netherlands' leading deeptech accelerator. Closer to industrial partners and investors.

Joined YES!Delft

Admitted to the Netherlands' leading deeptech accelerator. Closer to industrial partners and investors.

May

Won Prototron

First place out of 200+ startups after a 2-month incubation program.

Won Prototron

First place out of 200+ startups after a 2-month incubation program.

2024

December

First patent filed

Filed our first patent to protect the core of our design.

First patent filed

Filed our first patent to protect the core of our design.

First lab-scale prototype

First hydrogen produced in the lab. First efficiency measurements taken.

First lab-scale prototype

First hydrogen produced in the lab. First efficiency measurements taken.

October

200 concepts drafted

Out of two hundred concepts for a new electrolyzer design, a centrifugal bubble-free concept emerged. This is where Spiral started.

200 concepts drafted

Out of two hundred concepts for a new electrolyzer design, a centrifugal bubble-free concept emerged. This is where Spiral started.

Build with us

Hydrogen runs a €215B industry, and less than 1% of it is clean. We're building the electrolyzer that closes the gap. If that's the work you want to do, we want to hear from you.

See open roles

Spiral Hydrogen OÜ

Registration number: 16896381

VAT number: EE102792151

Delft, Netherlands

info@spiralhydrogen.com