Chillicothe Data Center at Former Pixelle Paper Mill Alignment Engine
PORTS-Pike Technology Campus
SB Energy. Approved, 800 MW
SB Energy, a SoftBank Group subsidiary, is building an AI data center campus of up to 10 gigawatts on and around the decommissioned Portsmouth Gaseous Diffusion Plant, a former uranium enrichment site near Piketon in Pike County, on federal land involving the US Department of Energy and Department of Commerce. OpenAI announced on August 17-18, 2026 that it will lease most of the campus as a 20 year anchor tenant, with roughly 8 gigawatts allocated to OpenAI, while NVIDIA is the exclusive AI compute infrastructure partner. A groundbreaking for an associated 9.2 gigawatt natural gas power facility was held March 20, 2026, and construction of the first 800 megawatt data center phase is set to begin in 2026 with capacity coming online starting 2028.
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- Status
- Approved
- Operator
- SB Energy
- Applicant on record
- SB Energy
- Location
- Former Portsmouth Gaseous Diffusion Plant site, Piketon, Pike County, OH (approximate, city center)
- Size
- 800 MW
- Cooling
- Not reported
- Utility
- Not reported
- First reported
- 2026-08
- Last updated
- September 2, 2026
What happens next
Still to come: permits and construction. Builders do not always announce a construction start date in advance.
Sources
- OpenAI joins data center venture at former nuclear enrichment site in Pike County, WOSU Public Media, 2026-08-17
- OpenAI announces plans to lease much of a proposed data center campus in Pike County, WOUB Public Media, 2026-08-18
- NVIDIA Guarantees SB Energy's PORTS-Pike Technology Campus in Ohio to Exclusively Host NVIDIA AI Compute, NVIDIA Newsroom, 2026-08
What it would mean nearby
The cooling design has not been reported. If it uses evaporative cooling, a 800 MW facility would draw roughly 2.5 million to 9.1 million gallons of water a day, about what 29,200 households use.
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Common questions
Where is the PORTS-Pike Technology Campus data center?
It is in Piketon, Pike County, OH.
Has the PORTS-Pike Technology Campus data center been approved?
Yes, it has been approved.
How big is the PORTS-Pike Technology Campus data center?
Reported size: 800 MW.
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