At a glance
Sunfire is a global leader for industrial electrolyzers. With our innovative and proven solutions, we are addressing a key challenge of today’s energy system: Providing renewable hydrogen and Syngas as substitutes for fossil energy sources. Our electrolyzers – based on alkaline and solid oxide (SOEC) technologies – enable the transformation of energy-intensive sectors such as the chemical, fuel and steel industries.
Sunfire employs more than 500 people in Germany and Switzerland. We are backed by leading strategic and financial investors such as Neste and SMS Group – global leaders in renewable fuels and steel. With a well-established partner network, we realize large hydrogen and e-Fuel projects to deliver on our promise: Replacing fossil fuels with renewables in all areas of life – creating a sustainable future for generations to come.

Management Team




Our journey
2023
Serial Production Launch
Pressurized alkaline electrolysis
Sunfire inaugurates its electroplating line in Solingen, becoming one of the first companies to begin serial production of electrolyzers.
2022
SERIES D-2 ROUND
€86 million ($97 million)
Copenhagen Infrastructure Partners (CIP) and Blue Earth Capital are joining as new investors while Carbon Direct Capital Management is expanding its commitment. Sunfire is also entering into a framework agreement with CIP for its alkaline electrolyzers.
2021
MTV NT
Acquisition
Sunfire is acquiring the Solingen branch of MTV NT GmbH. The German electroplating specialist is one of the world leaders in functional surface coating for large components.
Series D round
€109 million ($125 million)
Sunfire secures new funding from a consortium of investors led by Lightrock and Planet First Partners, and including Carbon Direct Capital Management, HydrogenOne Capital, and existing shareholders.
2020
IHT
Alkaline electrolysis acquisition
Sunfire acquires Alkaline electrolysis company IHT with more than 70 years of manufacturing and operating experience.
Norsk e-Fuel
Foundation
Sunfire joins forces with Climeworks, SMS group and Valinor to build the world’s first industrial-size Power-to-Liquids (PtL) plant.
2019
SOEC Electrolyzers
Next generation
Sunfire starts validation of the next generation electrolyzers within the 2nd phase of the German government-funded Kopernikus program “Power-to-X” and the FCH JU-funded MultiPLHY project with Neste.
2018
New Enerday GmbH
Fuel cell acquisition
Sunfire expands fuel cell portfolio and bundles all activities for home micro-CHPs and remote off-grid power solutions in Neubrandenburg, Germany.
2016
SOEC Electrolyzers
Next generation
Sunfire starts validation of the next generation electrolyzers within the FCH-JU-funded steel project GrInHy with Salzgitter Flachstahl GmbH and the 1st phase of the German government-funded Kopernikus program “Power-to-X”.
2014
Power-to-Liquid
Demonstration Plant
Sunfire opens the world’s first demonstration plant for Power-to-Liquid in Dresden, producing renewable e-Fuels including diesel, naphtha and waxes.
SOEC Electrolyzers
First generation
Sunfire starts validation of itas first electrolyzer for Boeing.
2012
SOEC Electrolyzers
Prototype
Sunfire starts validation of the first electrolyzer prototype.
2011
Staxera GmbH
Fuel cell acquisition
Sunfire acquires a high temperature solid oxide fuel cells (SOFC) company as nucleus for subsequent electrolyzer developments.
2010
Company foundation
The beginning
Nils Aldag, Christian von Olshausen and Carl Berninghausen start out with the vision to commercialize innovative electrolysis solutions to bring renewables everywhere.
An Award-winning company
We have been honored with national and international awards for our innovative SOEC technology. We are proud of our achievements towards a better and cleaner world. And our journey has just begun.
Join our team
Are you ready to shape the future and create a world without fossil fuels? We are always looking for talented and motivated individuals who want to contribute their knowledge and expertise to advancing our unique electrolysis solutions. Join us and become part of a highly qualified team full of energy.
Activities beyond electrolysis
Sunfire is not only recognized as a leading industrial electrolysis company - we also offer an off-grid power supply solution based on solid oxide fuel cell (SOFC) technology. Sunfire-Remote enables clean and reliable power supply in moderate and harsh environments.
Fuel cells for off-grid power generation
