Piketon, 70 miles south of Columbus

SoftBank is planning to construct the AI computing complex at a former uranium enrichment complex owned by the U.S. Energy Department. It would be powered with roughly $33 billion worth of natural gas-fired electricity.  The 3,700-acre plot has existing high-voltage power lines that the new infrastructure can tap.

At 10 gigawatts, the center would be among the largest in the world. For context, a single gigawatt of capacity can power roughly 750,000 homes at any given moment.

The company expects the first phase of the data center project to include about 800 megawatts of power, cost $30 billion to $40 billion and be completed in early 2028.

For the gas part of the Ohio project, turbines have been sourced, the first of which is expected to be delivered within a year, and the rest will come online by the end of the decade, according to SoftBank-backed SB Energy. The turbines, capable of generating 9.2 gigawatts in total, will be installed across the region.

SB Energy announced plans to add 800 megawatts of capacity for the data center but did not share further details. A 10-gigawatt project would represent a significant effort, given that Ohio’s total generation capacity was about 30 gigawatts as of 2024.