Jan 9 : OpenAI and SoftBank Group will jointly invest $1 billion in SB Energy, a SoftBank-owned provider of data-center and power infrastructure, as part of their $500 billion Stargate initiative aimed at building out AI infrastructure.
OpenAI and SoftBank will each invest $500 million in SB Energy, which will build and operate OpenAI’s previously announced 1.2-gigawatt data center site in Milam County, Texas, SB Energy said.
SB Energy will also become a customer of OpenAI, using its application programming interfaces and deploying ChatGPT for employees, the company said.
Stargate, a large-scale computing and infrastructure effort, sits at the center of the U.S. push to expand domestic AI capacity. President Donald Trump backed the initiative when the companies announced the plan in January 2025.
Oracle and Abu Dhabi-based tech investor MGX are among the other major investors in the project.
OpenAI, Oracle and SoftBank said in September 2025 they planned five new U.S. computing sites across Texas, New Mexico and Ohio. The companies said the sites, once operating, should add up to about seven gigawatts of power capacity.
SB Energy is currently developing several data-center campuses, with initial facilities expected to begin service this year.
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