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

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

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

https://www.energy.gov/em/articles/special-report-details-worlds-largest-ai-data-center-portsmouth-site

Publish Date: 2026-04-07 16:28:00

Source Domain: www.energy.gov

  • SB Energy, a SoftBank Group company, announced a public-private partnership to create the world’s largest artificial intelligence (AI) data center on leased land at the U.S. Department of Energy’s Portsmouth Site.
  • The project is set for completion by April 7, 2026.
  • The announcement included significant remarks from various high-profile officials such as U.S. Energy Secretary Chris Wright, U.S. Commerce Secretary Howard Lutnick, SB Energy Co-CEO Rich Hossfeld, and SoftBank Group Corp. Chairman and CEO Masayoshi Son.
  • The partnership is expected to bring numerous benefits, including technological advancements and economic impacts for the surrounding community.
  • The project will be overseen by the Office of Environmental Management and other local stakeholders, highlighting its importance for both national and regional development.