Spanish energy company Moeve has begun construction of the first phase of its Andalusian Green Hydrogen Valley at its Energy Park in Palos de la Frontera, Huelva.
Known as Onuba, the project will initially provide 300 MW of electrolyser capacity, with an option to add a further 105 MW. Moeve and its partners expect the facility to produce approximately 45,000 tonnes of renewable hydrogen annually once operational.
The development represents a combined investment of more than €1 billion, including associated infrastructure and a dedicated photovoltaic plant for onsite electricity supply.
Moeve holds a 51% stake in the project. Hy24 and Spain’s public-private investment institution COFIDES jointly hold 29%, while Enagás Renovable and Alter Enersun share the remaining 20%.
The hydrogen will be intended for the production of lower-carbon fuels for road, aviation and maritime transport, as well as for use in other industrial processes. Moeve estimates that the facility could avoid around 250,000 tonnes of carbon dioxide emissions annually.
Onuba is being developed as a digitally integrated facility, with a digital twin and a unified data and Internet of Things platform incorporated into its design. The systems are intended to support predictive maintenance, operational monitoring and plant efficiency.
The project has been designated a European Union Project of Common Interest and has secured €304 million in Spanish government funding under the Recovery, Transformation and Resilience Plan, financed through the EU’s NextGenerationEU programme. The funding supports development of 405 MW within the wider hydrogen valley.
The broader Andalusian Green Hydrogen Valley is planned to reach 2 GW of electrolysis capacity across Moeve’s sites in Huelva and San Roque, Cádiz. The company is also developing a second-generation biofuels facility at Palos de la Frontera.
The hydrogen project will now move through construction and equipment installation before commissioning and the start of commercial production.
