What the operator says
10 GW AI data-center campus on the former DOE Portsmouth Gaseous Diffusion Plant in Pike County, Ohio. Proposed $33.3B / 9.2 GW natural-gas generation package alongside $4.2B in new AEP transmission, with power beginning to flow in 2029.
Outgrowth of the U.S.–Japan trade and investment framework; SoftBank has described potential multi-decade investment up to $1.5T. Construction targeted to start in 2026, with an initial $10B / 800 MW phase online by 2028 and the broader project advancing meaningfully before January 2029.

