The Guarantor Who Will Never Occupy the Building

OpenAI signed a 20-year lease on roughly 8 gigawatts of a proposed 10 GW data center campus in Pike County, Ohio. SB Energy will build, own and operate it. But the credit that makes the deal financeable belongs to none of them. It belongs to Nvidia, which is investing $1.5 billion in the landlord, backstopping the first 4.25 GW and, as reported by the Wall Street Journal, standing behind up to $105 billion of value difference if the tenant walks and no replacement is found.

The Signal

OpenAI announced Monday that it signed a 20-year lease for approximately 8 GW of a campus planned at 10 GW near the former Portsmouth Gaseous Diffusion Plant, a federally owned former uranium enrichment site just south of Piketon, Ohio. SB Energy, a SoftBank subsidiary, will build, own and operate the data centers, which will host Nvidia hardware. Construction is expected to begin in October and run through 2032, with the first 800 megawatts online in 2028. OpenAI projects 35,000 construction jobs and 2,500 permanent operating roles.

The power commitment dwarfs the buildings. SB Energy has announced plans to invest $33 billion in more than 9 GW of natural gas generation, plus more than $4 billion in transmission lines. OpenAI states that SB Energy will pay the full cost of grid upgrades and new transmission serving the campus, and that those costs will not be shifted to ratepayers. Cooling will use a closed-loop, air-cooled system rather than evaporative towers.

The land is not where most people assume. While the federal site anchors the project, permit applications filed with the Ohio EPA identify a little over 1,000 acres of private land in the surrounding area where multiple data centers and associated power infrastructure would be built. SB Energy has already secured purchase options from those landowners. It remains unclear whether the buildings OpenAI leases initially will sit on the federal parcel or the private assemblage.

Implications - Our Read

Strip away the gigawatts and this is a build-to-suit with a synthetic covenant. Nobody underwrites eight gigawatts of single-tenant demand across twenty years on a young counterparty and a single-purpose improvement. The debt does not price. So the parties manufactured the missing credit. The real estate is a pass-through. The chip order book is the collateral.

That structure has a name in other asset classes: residual value insurance. What is new is who wrote it. A vendor is now insuring the physical plant that houses demand for its own product. If you are a lender looking at the next hyperscale lease, the diligence question has quietly changed. It is no longer whether this tenant can pay rent for twenty years. It is who is standing behind this, and what happens to them if AI capital spending normalizes.

Notice also what SB Energy is actually selling. Thirty-three billion dollars of generation and four billion of wires wrapped inside a twenty-year lease is not a space business. It is a power delivery contract with a building attached. The leased commodity is electrons on a schedule, and the square footage is the meter.

The site-control work deserves more attention than it will get. More than a thousand acres of private parcels optioned around a federal site, with construction eight weeks out, means assemblage was solved long before the tenant was public. That is the part of this deal a developer should study - not the gigawatts.

Stakeholder Lens

Lenders: Underwrite the guarantor, not the tenant. Ask for the backstop's actual terms, triggers and survival conditions. Developers: The replicable asset here is optioned land adjacent to stranded power infrastructure, not the AI narrative. Investors: SB Energy is reportedly preparing an IPO seeking a valuation of up to $50 billion, and a signed 20-year lease from a marquee tenant is the most valuable page in that prospectus. Municipalities: OpenAI pledged $40 million to a community fund, matching a $40 million commitment from SB Energy, and says grid upgrade costs will not reach ratepayers. Those are commitments, not yet audited outcomes.

Still Unresolved

OpenAI has not disclosed the campus construction cost. It is not clear whether the initially leased capacity sits on federal or private land. The $105 billion figure comes from Wall Street Journal sourcing rather than a disclosed contract term, and the backstop's triggers, duration and conditions are not public. Water use will not be quantified until site design is final. And data center development continues to face organized local opposition across Ohio.