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Special Report Details World's Largest AI Data Center at Portsmouth Site

SB Energy, a SoftBank Group company, recently announced a unique public-private partnership to construct the world’s largest artificial intelligence data center on leased land at the U.S. Department of Energy’s Portsmouth Site. April 7, 2026

Office of Environmental Management

April 7, 2026
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PIKETON, Ohio — SB Energy, a SoftBank Group company, recently announced a unique public-private partnership to construct the world’s largest artificial intelligence (AI) data center on leased land at the U.S. Department of Energy’s (DOE) Portsmouth Site. This special report provides in-depth coverage of the project and includes remarks from U.S. Energy Secretary Chris Wright, U.S. Commerce Secretary Howard Lutnick, Assistant Secretary Tim Walsh, SB Energy Co-CEO Rich Hossfeld, SoftBank Group Corp. Chairman and CEO Masayoshi Son, Acting Portsmouth Site Lead Jud Lilly, Ohio State Sen. Shane Wilkin, and Southern Ohio Diversification Initiative Counsel Kevin Shoemaker. They highlight benefits of the partnership and discuss what the project means for the surrounding community.