Ohio's $37.5B AI data center campus breaks ground with U.S.-Japan backing
A massive AI data centre campus is set to be built in Piketon, Ohio, following a partnership between American Electric Power (AEP) and SoftBank. The $37.5 billion project will include a 10 GW facility, funded in part by $33.3 billion from Japan for new natural gas generation. Construction will also see $4.2 billion invested in high-voltage transmission lines to support the site's energy needs.
The project forms part of a broader U.S.-Japan trade agreement, focusing on advanced digital and energy infrastructure. SoftBank will finance the bulk of the new 765 kV transmission network, while AEP leads community engagement efforts. The company plans to consult local landowners and residents for feedback before moving forward.
Power delivery to the site is scheduled to start in 2029. Ohio residents, however, will not face higher transmission rates as a result of the development. The Ohio Power Siting Board will handle permitting for the new transmission lines, ensuring all legal and technical requirements are met. Strict environmental rules will govern the project under Ohio Revised Code Chapter 4906. These include an environmental impact assessment, compliance with EPA air quality standards, and stormwater management to protect local water sources. Wetland and habitat disruption must be minimised, with approvals required from the U.S. Army Corps of Engineers. Noise and visual impacts will also be controlled, while soil erosion prevention measures will be enforced during construction. Additionally, a greenhouse gas emissions analysis must confirm no significant climate harm, with carbon offset plans if needed.
The data centre campus will bring major investment to Ohio, backed by Japanese funding and U.S. regulatory oversight. With power expected by 2029, the project must first meet rigorous environmental and climate protection conditions. The Ohio Power Siting Board will monitor compliance, while AEP continues community outreach to address local concerns.
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