Energy Hub Plan Announced for Ohio Diffusion Plant
A Japanese investor has committed $33 billion to redevelop shuttered federal nuclear sites into a power and data center hub.
Updated on Oct. 14, 2026 in Nuclear
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Assistant Energy Secretary Tim Walsh toured the Portsmouth Gaseous Diffusion Plant in Ohio, where work has begun to transform former nuclear facilities into a large-scale energy and digital campus. This project, which involves over $33 billion in investment, aims to leverage existing infrastructure across sites in Ohio, Tennessee, and Kentucky.
Why it matters
The development intends to serve as a regional economic engine while providing electricity to southern Ohio and West Virginia. It follows a strategy of repurposing legacy industrial land for modern power generation and high-demand computing infrastructure.
The initiative encompasses three sites in Oak Ridge, Tennessee, Paducah, Kentucky, and Portsmouth, Ohio. The project is estimated to take five years to reach completion, moving from current demolition phases to full-scale construction by early 2027.
The players
Tim Walsh
The Assistant Energy Secretary who oversaw the site inspection and public review of the energy hub progress.
Portsmouth Gaseous Diffusion Plant
A legacy federal nuclear facility being transitioned from remediation to a commercial energy and computing center.
The details
The project involves reusing existing brownfield infrastructure at the Portsmouth Gaseous Diffusion Plant, a former facility once used for uranium enrichment. Site preparation and building demolition are underway to clear space for new gas-powered electricity generation units and a high-density digital infrastructure campus. The goal is to integrate these energy assets with data center facilities to manage the power output directly at the site of generation.
Timeline
Ground was broken at the Portsmouth site in March 2026.
Assistant Energy Secretary Tim Walsh visited the site on October 14, 2026.
Construction is expected to begin in early 2027.
The Tech Race
This development represents a strategic shift in the utilization of decommissioned federal industrial land for commercial data infrastructure. It follows the pattern of the Department of Energy's (DOE) Environmental Management program for site remediation by pivoting from cleanup to commercial redevelopment.
Local residents in southern Ohio and West Virginia may see lower electricity prices once the generation capacity comes online. The project is set to create 10,000 construction jobs followed by 2,000 permanent roles, including 1,000 positions dedicated to data center operations.
The takeaway
The project highlights the increasing trend of using decommissioned heavy industrial sites to meet the massive power demands of modern data infrastructure. Observers should track the transition from site demolition to the commencement of construction scheduled for early 2027.
Further reading
For context on the repurposing of federal nuclear assets, visit Nuclear.
Source note: This article includes information reported by WCHS.
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