OpenAI and SoftBank Invest $1 Billion in SB Energy for 1.2 GW Stargate Data Center

Summary

OpenAI and SoftBank Group jointly invested $1 billion in SB Energy on January 9, 2026, with $500 million from each partner backing the development of a 1.2 GW data center campus in Milam County, Texas. OpenAI signed a lease for the facility, which will be built and operated by SB Energy and will include integrated solar and energy storage infrastructure. The investment supports the broader Stargate initiative, the $500 billion AI infrastructure commitment announced earlier at the White House. T