Nvidia Is in Talks to Guarantee $250B So OpenAI Can Rent a Data Center Built on a Former Uranium Plant. Read That Sentence Again.

Nvidia is in talks to guarantee roughly $250 billion in financing so OpenAI can lease a 10-gigawatt data center campus in southern Ohio, a site SoftBank subsidiary SB Energy is building on the grounds of the former Portsmouth Gaseous Diffusion Plant, a decommissioned Cold War-era uranium-enrichment facility in Piketon, about 50 miles south of Columbus. Nvidia is separately discussing financing up to $350 billion more for the GPUs going inside the building. Add it up and the project could exceed $500 billion, the largest data center ever announced, and the company selling the chips is now also the one guaranteeing the debt to buy them.

What's actually being discussed

According to reporting from the Wall Street Journal and corroborated across CNBC, Tom's Hardware, and Data Center Dynamics, the roughly $250 billion guarantee would cover the lease and construction financing for the Ohio campus, not the chips themselves. Nvidia is negotiating a separate arrangement, reportedly up to $350 billion, specifically to finance OpenAI's purchase of the GPUs that will fill the facility. Neither figure is finalized; both are described as being in active negotiation, and the terms could still change or fall apart before signing.

The site itself is notable on its own terms: the former Piketon uranium-enrichment plant, decommissioned years ago, now hosting a 10-gigawatt AI campus. The first phase, roughly 800 megawatts, is targeted for completion by 2028. Power for the site is being handled partly outside the OpenAI-Nvidia arrangement entirely: Japan agreed to invest $33 billion in an on-site natural gas plant as part of a broader trade deal, in exchange for lower tariffs, with the land and power infrastructure controlled by the U.S. government.

Why the circularity is the part that matters

Strip away the eye-popping total and the structure underneath is what's actually worth sitting with: Nvidia manufactures and sells the GPUs. OpenAI needs somewhere to put them and money to buy them. Nvidia is now reportedly the one guaranteeing the financing for both the building and the chips. That's not a customer buying hardware from a vendor. It's a vendor underwriting its own customer's ability to keep buying.

This isn't unprecedented in isolation. Nvidia has already run similar playbooks with cloud providers and neocloud partners throughout 2026, and vendor financing is a normal tool in capital-intensive industries. What's different here is scale and directness: a single guarantee approaching a quarter-trillion dollars, tied to a single customer's single site, on top of a separate chip-financing conversation from the same company. When the entity selling you the product is also the entity guaranteeing your ability to pay for it, the "market price" you're paying stops being purely a function of supply and demand for compute and starts being a function of how much the seller needs the deal to close.

I don't think this makes the deal illegitimate or doomed: large infrastructure has always required financing structures ordinary businesses don't use. But it does mean the price stability everyone building on top of OpenAI's API is implicitly counting on rests on a financing arrangement that hasn't been stress-tested at this size before, by anyone, for anything.

What this actually changes for a solo operator

Nothing about your API bill changes today. This is a financing negotiation, not a price change. But it's worth treating as a fragility signal rather than background noise, for one specific reason: every solo operator building a product on top of a frontier-lab API is making an implicit bet that the unit economics behind that API stay roughly where they are. A circular financing structure at $500 billion scale is exactly the kind of thing that, if it wobbles (a revenue miss, a credit-market shift, a renegotiation), shows up downstream as a token price change you didn't see coming and can't do anything about.

The practical takeaway isn't "panic" or "stop building on OpenAI." It's the same discipline I keep coming back to on this site: know which parts of your cost structure sit on a foundation you don't control, and have at least a rough answer for what you'd do if that foundation moved. If your product's margin only works at today's token prices and you haven't sketched what happens at 1.5x or 2x, this deal is a good prompt to actually do that math, independent of whether it ever closes.

The honest counter-take

It's entirely possible this deal never finalizes as reported, or closes on materially different terms. WSJ-sourced reporting on in-progress negotiations has a real track record of describing deals that shrink, restructure, or quietly disappear before signing, and if that happens here, the "circular financing" story becomes a footnote rather than a structural risk. It's also fair to say that reading too much alarm into a single vendor-financing arrangement overstates the case: Nvidia financing its customers isn't new, and a company with Nvidia's balance sheet can absorb a guarantee like this without it being evidence of desperation on either side. The uranium-plant detail makes for a striking headline, but the site's prior use has no bearing on whether the financing structure itself is sound.

Where I'd actually watch for the real signal: not whether this deal closes, but whether OpenAI's revenue growth is tracking well enough to make a $250 billion guarantee look routine in hindsight, or whether it starts looking like the industry backstopping its own demand because the money isn't there yet. That's the distinction that determines whether this is normal infrastructure finance or the first crack in something bigger.

Author

Lukas

@lukcombinator

Sources

• Nvidia weighs $250 billion guarantee so OpenAI can lease SoftBank's 10-gigawatt Ohio campus — Tom's Hardware
• Nvidia and OpenAI in talks for up to $250 billion backstop to fund AI infrastructure plans — CNBC
• Nvidia considers $250bn backstop for OpenAI's planned 10GW Ohio data center — Data Center Dynamics