IREN has completed its acquisition of Ingenostrum S.L., known as Nostrum Group, bringing about 490MW of grid-connected power capacity in Spain under its control. The deal, announced on May 7, 2026 and finalized on June 15, gives IREN immediate European power access for high-density AI infrastructure.

The acquisition advances IREN’s shift from Bitcoin mining toward vertically integrated AI cloud services. By adding secured sites, grid capacity and a local development team, the company is trying to turn power control into a faster route to GPU cloud revenue.

Spain Gives IREN a Faster AI Infrastructure Platform

IREN acquired Nostrum to avoid the slower timeline of building European capacity entirely from scratch. Nostrum brings a development pipeline, site control and more than 50 development, engineering and operations professionals, giving IREN on-the-ground execution capacity in a strategic European market.

The transaction expands IREN’s broader power portfolio to roughly 5GW. For AI infrastructure, that matters because large GPU campuses require not only capital and hardware, but also rapid grid interconnection, advanced cooling and reliable power availability.

Spain’s renewable generation, competitive power pricing and fiber connectivity were key elements of the market entry. Those attributes position IREN to serve enterprise customers, cloud partners and government programs that require local infrastructure and data-residency-aligned compute capacity.

Daniel Roberts, co-founder and co-CEO of IREN, described the acquisition as establishing a strategic platform in Europe. Gabriel Nebreda, CEO of Nostrum Data Centers, framed the deal as accelerating AI infrastructure development in Spain, reinforcing the commercial intent to convert site control into contracted compute capacity.

NVIDIA and Microsoft Deals Strengthen the Revenue Thesis

The acquisition also reinforces IREN’s recent commercial ties with NVIDIA and Microsoft. Investors responded positively, with IREN’s stock rising roughly 7.7% intraday, showing market appetite for tangible AI-infrastructure capacity and contracted GPU demand.

IREN’s NVIDIA arrangement includes a five-year option on up to 30 million shares, potentially worth about $2.1 billion, and collaboration to deploy up to 5GW of NVIDIA-aligned infrastructure. That relationship gives IREN a strategic hardware and ecosystem link for scaling AI cloud services.

The Microsoft agreement provides another anchor. The framework is valued at approximately $9.7 billion over five years for GPU cloud infrastructure, creating a demand signal that supports IREN’s transition beyond Bitcoin mining economics.

Even with those partnerships, execution risk remains material. Analysts have pointed to heavy capital expenditure needs, cross-border integration complexity, competition from hyperscalers and regional operators, and European regulatory variability, all of which make deployment discipline critical to the investment case.

For investors and counterparties, the next test is conversion speed. IREN must show that the Spanish assets can become revenue-generating GPU capacity quickly enough to justify the acquisition and sustain the market’s confidence in its AI cloud pivot.

The broader implication is that power-secured infrastructure is becoming a decisive asset in AI compute markets. If IREN can manage capital allocation, permitting and deployment timelines, the Nostrum acquisition could materially shift its revenue mix toward recurring AI cloud income.