Fortum has officially inaugurated its Kalla Test Center in Loviisa, Finland, marking the start of operational testing for hydrogen production technologies at the new pilot-scale facility. As part of the project, Stargate Hydrogen has delivered and commissioned a 1 MW alkaline electrolyser at the site.
The Kalla Test Center has been developed as a platform for testing hydrogen systems under real industrial conditions, with a focus on technology validation, operational learning, and future hydrogen project development through 2028.
Stargate Hydrogen’s system is one of two electrolyser technologies operating at the facility, making Kalla one of the first hydrogen testing sites in the Nordic region to evaluate multiple electrolysis solutions side by side.
The overall project represents an investment of approximately €20 million covering both construction and operational phases. Preparations for the hydrogen facility began in late 2024, followed by construction work in 2025. The site produced its first hydrogen during commissioning at the end of 2025 and is expected to reach full operational status during summer 2026.
For Stargate Hydrogen, the project is an important commercial milestone, demonstrating the deployment of its electrolyser technology in an industrial-scale environment. The company develops ceramic-based electrolysis systems designed to improve efficiency and scalability in green hydrogen production.
Fortum sees the Kalla facility as an important step toward building practical expertise in hydrogen production and industrial decarbonisation. The site will allow the company to evaluate technologies, operating models, and long-term commercial potential for hydrogen within the Nordic energy market.
The project also reflects growing momentum around hydrogen development in Northern Europe, where energy companies and technology providers are increasingly investing in pilot and demonstration facilities to support the transition toward low-carbon industrial systems and renewable energy integration.
