We make clean energy accessible, affordable, and scalable for a sustainable future.
We make clean energy accessible, affordable, and scalable for a sustainable future.
How we operate
How we operate
Move fast
We break things and iterate
No status quo
Think first principles and be creative
Own it
Actions drive innovation, not excuses
Our journey
Our journey
September 2024
TRL 1 & 2: First concepts drafted
TRL 1 & 2: First concepts drafted
TRL 1 & 2: First concepts drafted
October 2024
Baltic Impact Accelerator
In partnership with Estonian Cleantech Association, we were granted trainings and support for growth.
Baltic Impact Accelerator
In partnership with Estonian Cleantech Association, we were granted trainings and support for growth.
Baltic Impact Accelerator
In partnership with Estonian Cleantech Association, we were granted trainings and support for growth.
First team off-site at Hydrogen Expo
We visited Hamburg, Germany to learn about the industry and gain valuable contacts.
First team off-site at Hydrogen Expo
We visited Hamburg, Germany to learn about the industry and gain valuable contacts.
First team off-site at Hydrogen Expo
We visited Hamburg, Germany to learn about the industry and gain valuable contacts.
November 2024
Innovation Grant
The Estonian Business and Innovation Agency awarded us a grant to cover patenting costs.
Innovation Grant
The Estonian Business and Innovation Agency awarded us a grant to cover patenting costs.
Innovation Grant
The Estonian Business and Innovation Agency awarded us a grant to cover patenting costs.
December 2024
TRL 3 & 4: Lab-scale prototype working
First run in the lab. We produced hydrogen and made first measurements on efficiency.
TRL 3 & 4: Lab-scale prototype working
First run in the lab. We produced hydrogen and made first measurements on efficiency.
TRL 3 & 4: Lab-scale prototype working
First run in the lab. We produced hydrogen and made first measurements on efficiency.
Patent filed in the Netherlands
After months of hard work, we filed the patent for our technological breakthrough.
Patent filed in the Netherlands
After months of hard work, we filed the patent for our technological breakthrough.
Patent filed in the Netherlands
After months of hard work, we filed the patent for our technological breakthrough.
January 2025
Iterations on our electrolyzer prototype
Over the next months we built Yubin 0.2, Yubin 0.3, Yubin 0.4 and Yubin 0.5.
Iterations on our electrolyzer prototype
Over the next months we built Yubin 0.2, Yubin 0.3, Yubin 0.4 and Yubin 0.5.
Iterations on our electrolyzer prototype
Over the next months we built Yubin 0.2, Yubin 0.3, Yubin 0.4 and Yubin 0.5.
April 2025
Entered the Sparkup Incubator
Sparkup Tartu Teaduspark gave us the opportunity to join their incubation program in addition to 10,000€ of development funding.
Entered the Sparkup Incubator
Sparkup Tartu Teaduspark gave us the opportunity to join their incubation program in addition to 10,000€ of development funding.
Entered the Sparkup Incubator
Sparkup Tartu Teaduspark gave us the opportunity to join their incubation program in addition to 10,000€ of development funding.
May 2025
Won Prototron
After an engaging 2-month long incubation program, we came first in a competition of over 200 startups.
Won Prototron
After an engaging 2-month long incubation program, we came first in a competition of over 200 startups.
Won Prototron
After an engaging 2-month long incubation program, we came first in a competition of over 200 startups.
June 2025
ESA BIC
We are excited to join the European Space Agency's incubation program to continue develping our product and build connections in the space industry.
ESA BIC
We are excited to join the European Space Agency's incubation program to continue develping our product and build connections in the space industry.
ESA BIC
We are excited to join the European Space Agency's incubation program to continue develping our product and build connections in the space industry.
Join us!
We move fast and we’re looking for talented people to make the climate revolution a reality.
Join us!
We move fast and we’re looking for talented people to make the climate revolution a reality.
Join us!
We move fast and we’re looking for talented people to make the climate revolution a reality.
Spiral Hydrogen OÜ
Registration number: 16896381
VAT number: EE102792151
Registered address: Õismäe tee 44-44, 13512 Tallinn, Estonia
Office: Tartu, Estonia
© Spiral Hydrogen OÜ 2025, website by Lumela
Spiral Hydrogen OÜ
Registration number: 16896381
VAT number: EE102792151
Registered address: Õismäe tee 44-44, 13512 Tallinn, Estonia
Office: Tartu, Estonia
© Spiral Hydrogen OÜ 2025, website by Lumela