In a recent move, Alfa Laval will offer electrolyzer cooling equipment for Onuba H2 project, Spain which is a large-scale green hydrogen project located at La Rábida Energy Park in Huelva, Spain. The facility will start with 300 megawatts of electrolysis capacity, with the potential to add another 105 megawatts that could produce 45,000 metric tonnes of green hydrogen per year. As the industrial foundation for the Andalusian Green Hydrogen Valley, which is the largest renewable hydrogen endeavour in Spain and also one of the most ambitious projects in Europe, Onuba is anticipated to be an important player when it comes to the decarbonization of transport and industrial processes.
It is well to be noted that the agreement to supply electrolyzer cooling equipment will see Alfa Laval offering 60 heat exchangers to Moeve – the Spanish energy company – for usage in balance-of-plant cooling and electrolyzer cooling as well as gas-cooling applications. The equipment is intended to sustain the hydrogen production process at ideal operating temperatures in order to ensure productivity and dependability, as well as secure operation at an industrial scale.
Notably, the European Commission has chosen the Andalusian Green Hydrogen Valley as a Project of Common Interest, which gives accessibility to public funding in addition to support mechanisms so as to speed up the energy transition in Europe and also boost energy security over the long term.
Apparently, renewable hydrogen is likely to play a major role when it comes to the European Union’s decarbonization strategy, especially in hard-to-electrify areas such as heavy transport and energy-intensive industries. The goals of the Onuba project are to help contribute to these objectives by providing low-carbon hydrogen and by decreasing the reliance on fossil fuels.
It was in March 2026 that Moeve took the final investment decision for the Onuba H2 project. Over €1 billion investment will be used to establish the facility in collaboration with Masdar and Enalter at Palos de la Frontera, Huelva. Once in complete operation, it is projected to be the largest green hydrogen plant in Southern Europe, providing renewable hydrogen for industrial uses as well as the production of low-carbon fuels.
The Onuba H2 project is a major future marketplace when it comes to hydrogen compression, storage and distribution facilities. The project marks the first stage of the larger 2-GW Andalusian Green Hydrogen Valley, projected to generate as much as 300,000 metric tonnes of green hydrogen per year. The development highlights the increasing significance of dependable hydrogen compression technology as large-scale initiatives progress from planning to deployment, benefiting sectors such as heavy transport, refining, and chemicals, as well as sustainable fuels.