Saudi nuclear deal squeezes US and EU data centre power supply

Every hyperscaler currently trying to lock down firm power in Illinois, Texas or the Rhine Valley just got a new competitor for the same reactors, the same fuel, and the same scarce nuclear engineering talent: Saudi Arabia.

The US and Saudi Arabia signed a 30-year civil nuclear cooperation agreement on Wednesday, and the commentary since has largely treated it as a Middle East security story: Iran, proliferation, MBS. However, this is an industrial policy story first, and its most immediate consequence isn’t in Riyadh; it’s in the domestic nuclear supply chain your own power procurement team is already fighting over.

One supplier, two enormous customers

Westinghouse Electric is expected to be the primary beneficiary of the deal, supplying its AP1000 reactor design for Saudi Arabia’s civilian programme. That’s the same company, and the same reactor line, that underpins much of the current US nuclear renaissance being courted by hyperscalers.

The Trump administration has already committed close to $18 billion in loans to build out Westinghouse’s AP1000 manufacturing capacity domestically. Westinghouse CEO Dan Sumner called the Saudi agreement a landmark step that strengthens energy security and expands opportunities for U.S. industry.

That’s good news for Westinghouse’s balance sheet. It’s a more complicated signal for anyone in the US or Europe who has spent the past 18 months trying to secure firm nuclear power for their own AI infrastructure. Capacity has tracked this domestic land grab closely, from Meta’s 20-year nuclear agreement with Constellation to Microsoft’s revival of Three Mile Island and Google’s small modular reactor order with Kairos Power. The IEA has tracked the SMR-to-data-centre pipeline nearly double from 25GW to 45GW in under two years. All of that demand is now competing for the same limited pool of licensed engineers, forged reactor components, and enriched fuel that a decades-long, tens-of-billions-of-dollars Saudi programme has just joined the queue for.

Manufacturing capacity for large reactor components isn’t something that scales quickly. Forged reactor vessels, steam generators and turbine components come from a small number of qualified suppliers worldwide, and lead times were already stretching before this deal added a 30-year Gulf contract to the order book. For a US operator counting on a restarted plant or a new SMR fleet to hit a 2029 or 2030 in-service date, a fresh multi-billion-dollar demand signal from Riyadh is not a neutral development.

The competitive read for Europe

There’s a second layer to this that matters more for the European data centre industry. France’s EDF was among the bidders for the Saudi contract, alongside South Korean, Chinese and Russian suppliers, and lost out entirely to a US-only arrangement. Washington structured the deal specifically to exclude Beijing and Moscow’s influence over Saudi civil nuclear infrastructure, but it excluded its own allies too. That’s a pattern European policymakers have seen before in chip export policy, and it’s now playing out in nuclear.

For EU operators already navigating the Tech Sovereignty Package and Chips Act 2.0, the message is blunt: Washington’s approach to critical infrastructure exports treats energy technology the same way it treats semiconductors, as a strategic asset to be allocated to US firms first, allies second, competitors not at all.

European reactor vendors, and by extension European data centre operators hoping to lean on domestic nuclear supply chains for their own power needs, are watching a major growth market close to them entirely. If that pattern holds for the next Gulf, Southeast Asian or Central European nuclear tender, EU industrial strategy around energy-for-AI infrastructure needs to account for a US-first allocation model as the default, not the exception.

What Congress does next matters more than usual

The deal still needs to clear a mandatory Congressional review period, and the opposition isn’t quiet. Democratic Representative Brad Sherman argued during a House Foreign Affairs Committee hearing that we have no idea who is going to be running Saudi Arabia a decade from now, a pointed reference to the enrichment pathway the deal opens up. Senator Chris Murphy went further, warning that this agreement will set off a nuclear race in the region.

None of that changes the supply chain arithmetic directly. But it does matter for timing, and timing is what US and European operators actually need to plan around. If Congress slows or attaches conditions to the deal, Westinghouse’s Saudi order book gets pushed out, which could ease near-term pressure on domestic component and workforce availability. If it clears quickly, US operators should expect longer lead times and possibly firmer pricing on nuclear power purchase agreements generally, as utilities and developers price in a tighter global market for reactor components and specialised labour.

There’s a financing dimension too. US banks and infrastructure funds active in domestic data centre power deals, the kind Capacity has covered around Anthropic’s financing arrangement with Apollo and Blackstone, will now be underwriting exposure to a global nuclear supply chain with a major new sovereign counterparty attached. That’s not a reason to avoid nuclear PPAs. It is a reason to ask suppliers harder questions about capacity allocation and delivery guarantees before signing.

The practical takeaway

Nothing about Wednesday’s signature changes a single megawatt of power available to a US or European data centre this year. What it does is add a well-capitalised, government-backed, 30-year customer to a nuclear supply chain that operators on both sides of the Atlantic were already treating as tight. Procurement teams negotiating SMR or large reactor deals should treat this as a prompt to revisit delivery timelines with suppliers rather than assume prior quotes still hold, and European operators in particular should factor a US-first allocation pattern into any strategy that depends on American reactor technology or components.

The Iran-adjacent politics will dominate the headlines for a while yet. The number worth tracking is Westinghouse’s order book, and how much of it now sits in Riyadh rather than Illinois or Wyoming.

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