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financial sponsor and parent of SB Energy

SoftBank Group

SoftBank was assigned financial responsibility in Stargate's original announcement. DOE identifies SB Energy as a SoftBank company.

Dated commitments & changes

groundbreaking

SB Energy holds a Portsmouth campus groundbreaking

DOE documented a March 20 groundbreaking for SB Energy's proposed AI campus on federal land near Piketon.

10 GWCampus capacityplanned data center capacityPORTS Technology Campus announced buildoutstatedU.S. Department of Energy, Office of Environmental Management ↗
DOE Portsmouth Site, Piketon, Ohiogroundbreaking held
Sources and context

DOE published the account on March 24. Separate generation commitments cannot be added to campus capacity. The source does not name OpenAI as a tenant or establish that this campus is part of Stargate.