Moeve's Onuba closes the equity gap and leaves the offtake question open

Moeve has begun construction on the first 300 megawatts of its Andalusian Green Hydrogen Valley, and the shareholder register it assembled to get there is the more instructive document. Onuba, as phase one is called, is being built at the company's Energy Park in Palos de la Frontera, Huelva, with an option for another 105 MW of electrolysis capacity that will eventually determine whether the structure behind it scales. ESG News puts the joint investment above $1.2 billion, a figure that folds in associated infrastructure and a dedicated photovoltaic plant for self-consumption.

The plant is expected to produce approximately 45,000 tonnes of renewable hydrogen a year, which Moeve estimates could avoid around 250,000 tonnes of CO2 emissions annually — the easy numbers to quote and the least contested.

Ownership is where the design shows. Moeve keeps a 51% majority, Hy24, a clean hydrogen investment manager, and COFIDES, a Spanish public-private finance institution, hold 29% between them, and Enagás Renovable and the renewables developer Alter Enersun split the remaining 20%. Public support runs alongside that equity: approximately $357 million from the Spanish government's Recovery, Transformation and Resilience Plan, financed through NextGenerationEU, and a Project of Common Interest designation from the European Union. The grant is described as supporting 405 MW within the wider hydrogen valley — the full scope of phase one, optional expansion included.

The four owners drawn from three kinds of capital — a corporate balance sheet, a specialist fund sharing its stake with a state-backed institution, and two developers — form a structure built to distribute risk rather than concentrate returns, and an expensive one to assemble. Europe's renewable hydrogen industry is under pressure to move projects from announcements into construction, and this is one answer to that pressure.

Moeve's decision to keep a 51% majority tells you what it thinks it is buying. The company keeps the asset on its own books, keeps the strategic decision about the 105 MW expansion, and pays for that by carrying the largest single equity position in a plant whose output feeds its own fuels business. Hy24 and COFIDES take minority exposure to the same construction and commissioning risk without the option to redirect the molecule.

Transition capital has been migrating from the label to the term sheet, and Onuba is that argument in equity form. Hy24 and COFIDES share one minority block, which is how a specialist manager ends up underwriting electrolyzer performance and commissioning schedules while a public-private institution absorbs enough of the return requirement to make the construction-stage arithmetic work.

If the $357 million grant sits inside the $1.2 billion joint investment, public money accounts for roughly 30 cents of every dollar committed; if it sits beside it, the figure is nearer 23 cents. The coverage does not say which, nor how the total divides between equity and debt, and the headline also absorbs balance-of-plant items — associated infrastructure and the dedicated solar plant — so it is not an electrolyzer cost. Dividing it by 300 MW would produce a per-megawatt figure the coverage does not support.

The hydrogen will support lower-carbon fuel production for road, aviation and maritime transport, and it is intended to help decarbonize industrial activities where direct electrification remains difficult — a category list, not a customer list. Forty-five thousand tonnes a year is a volume that generally wants contracted buyers behind it, and the coverage names no offtaker, no tenor and no price; Onuba has its partner equity in place, the sales contracts are not in evidence.

Onuba sits inside a wider Andalusian bet: Moeve plans to invest approximately $2.8 billion in energy transition projects in the region, and it is constructing a second-generation biofuels facility expected to produce sustainable aviation fuel and renewable HVO diesel alongside the hydrogen plant. Two molecules, one industrial site, one premise — keep the fuels business and change its feedstock. During development, construction and commissioning, Onuba is expected to generate more than 8,000 direct, indirect and induced jobs, with more than 400 local SMEs and self-employed businesses potentially drawing work from the activity around it.

The project will also run on a digital twin and a unified data and IoT platform in place from the design stage, which Moeve expects to support safer, more efficient and predictive operations; instrumenting a plant before it runs is one way of managing the operational variance that first-of-a-kind facilities tend to carry.

Who holds the first loss tells you more about a hydrogen project than its nameplate capacity does, and the disclosed structure does not identify that party.

The number that will settle the template question is 105. If Moeve exercises the option on the additional electrolysis capacity, the four-way split with a NextGenerationEU grant underneath becomes the shape other Iberian projects copy; if it does not, blended finance will have described this deal without setting the market. The first 300 MW are being built; the option for 105 more is the next thing to watch.