Thyssenkrupp nucera has signed an engineering, procurement, fabrication and supply contract with Moeve to deliver 300 MW of alkaline water electrolysis equipment for the Onuba green hydrogen plant at La Rábida Energy Park in Huelva, Spain.
The agreement covers 15 standardised 20 MW electrolyser units for the first phase of Moeve’s Andalusian Green Hydrogen Valley. Moeve took its final investment decision in early March, positioning Onuba as southern Europe’s largest green hydrogen facility to date.
At full capacity, the 300 MW plant will produce around 45,000 tonnes of green hydrogen annually, cutting CO2 emissions by approximately 250,000 tonnes per year. The project leverages Spain’s abundant solar and wind resources, with strategic port access at Huelva linking output to industrial demand across northern Europe.
Thyssenkrupp nucera’s CEO Dr Werner Ponikwar highlighted the Iberian peninsula’s potential for large-scale hydrogen production. “Onuba shows that when the fundamentals are right, major green hydrogen projects can advance and reach FID, even in volatile markets. With our experience and our alkaline water electrolysis technology, designed for industrial‑scale applications, we are well positioned to support Moeve on their path toward gigawatt‑scale hydrogen production,” he said.
Moeve CEO Maarten Wetselaar emphasised the hub’s role in Europe’s energy resilience. “By partnering with thyssenkrupp nucera, we pair electrolysis technology experience with Moeve’s capability to develop and integrate complex projects at scale”.
The deal marks a further step in the two companies’ cooperation, with Onuba forming the foundation for Moeve’s broader hydrogen valley vision. Alkaline electrolysis – thyssenkrupp nucera’s core technology – delivers high efficiency and durability for continuous industrial operation, critical for derivatives like green ammonia and e-methanol.
Spain’s hydrogen strategy is gaining momentum as developers target export-oriented valleys in Andalusia and Extremadura. Onuba’s progress signals bankable offtake and supply chain readiness despite lingering policy uncertainty around EU hydrogen market rules.
