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OpenAI, SB Energy, and Nvidia Are Building a 10GW AI Campus on a Former Nuclear Site in Pike County, Ohio

OpenAI, SB Energy, and Nvidia Are Building a 10GW AI Campus on a Former Nuclear Site in Pike County, Ohio

Aug 26, 20263 min readBy Matthew Taksa

SB Energy, the SoftBank-backed developer, will build, own, and operate the PORTS-Pike Technology Campus at the former Portsmouth Gaseous Diffusion Plant site in Pike County, Ohio, under a 20-year lease to OpenAI. The project was first reported in an Nvidia corporate news release, with additional detail from an OpenAI announcement, ENR, and Data Center Frontier.

What was announced

SB Energy is responsible for the campus buildings, on-site generation, and delivery systems. Nvidia is the exclusive AI compute infrastructure provider at PORTS-Pike, with an initial phase backed by credit support for 4.25 GW of IT load and an option for roughly another 3.75 GW. OpenAI is the sole tenant, committed to approximately 8 GW of IT capacity under the long-term lease.

DetailFigure
Total campus scale10 GW (data center)
OpenAI IT capacity commitment~8 GW
Nvidia initial phase (credit-backed)4.25 GW IT load
Nvidia option phase~3.75 GW
On-site power generation (natural gas)~9.2 GW
Nvidia financing commitmentup to $105 billion
Nvidia equity investment in SB Energy$1.5 billion
Lease term20 years

Who SB Energy is

SB Energy is a SoftBank-backed renewable and infrastructure developer. At PORTS-Pike it is acting as the full-stack developer: it will build, own, and operate the campus rather than hand it off, which puts it in a different position than a merchant developer moving assets after delivery. Its equity is anchored in part by Nvidia's $1.5 billion investment, giving the project unusually deep balance-sheet support before a single permit is final.

Why Piketon, and why now

  • β€’
    The land and power footprint already existed. A former gaseous diffusion plant leaves behind cleared acreage, existing heavy infrastructure corridors, and grid interconnection points that take years to assemble on greenfield sites.
  • β€’
    Ohio sits on unconstrained transmission corridors. A planned 765-kV line is part of the infrastructure build, and Ohio's grid offers headroom that Northern Virginia and Phoenix increasingly cannot.
  • β€’
    Federal permitting timelines are compressing. A federal permitting tracker listed the project as "in progress" as of August 17, 2026, with environmental review and authorizations projected to complete by December 23, 2026, suggesting a deliberate effort to move regulatory work in parallel with financing announcements.
  • β€’
    Nvidia's capital de-risks the schedule. When a compute provider commits up to $105 billion in financing plus equity, developers and contractors can mobilize before a traditional debt stack is fully assembled.
πŸ”‘Key takeaway

Pairing a federal brownfield site with a vertically committed compute buyer collapses the land-power-capital problem that stalls most projects at this scale.

Where permitting stands

As of late July 2026, public filings remain early-stage. One Ohio EPA wetlands and streams permit application was filed May 28, 2026. No Ohio EPA air permit, no gas pipeline filing, and no Ohio Power Siting Board transmission case for the main 765-kV line had been published. The gap between the project's announced scale and its current permit posture is significant: 9.2 GW of natural gas generation and a new 765-kV line each carry multi-year review cycles. Contractors and staffing firms tracking this project should treat the December 2026 federal authorization target as the leading indicator for when major procurement and mobilization decisions will cascade.

What it means for the region's labor market

PORTS-Pike is not a single hiring event. At 10 GW of data center capacity paired with 9.2 GW of on-site generation and a new high-voltage transmission corridor, it is more accurately described as a sustained decade-long construction and commissioning program with a permanent operations tail. Pike County's legacy as a massive federal plant site is a non-obvious labor advantage. Workers and contractors already familiar with high-security, heavily regulated industrial environments and brownfield remediation are concentrated locally in a way that simply does not exist near most greenfield campuses. Union building trades and contractors experienced with utility, pipeline, and power-plant projects serve the broader southern Ohio region well. The competitive pressure comes from distance and competing demand. Columbus is roughly 60 to 80 miles north and Cincinnati about 100 miles west, both running active large-project pipelines for electricians, pipefitters, operators, and steelworkers. Ohio's broader semiconductor fab and advanced manufacturing wave is pulling from the same trades. As PORTS-Pike ramps, sourcing journeymen and foremen regionally will require lead time that staffing firms should be building now, before permit approvals trigger simultaneous mobilizations. For a breakdown of roles, pay bands, and where the talent sits, see our guide to hiring data center talent in Pike County, Ohio. Sources: Nvidia corporate news release, which first announced the project structure; OpenAI announcement; ENR; and Data Center Frontier.

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