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OpenAI issued warrants worth $5.5 billion in SB Energy, WSJ reports

By Thomson Reuters Aug 30, 2026 | 11:30 PM

Aug 31 (Reuters) – OpenAI was issued warrants worth an estimated $5.5 billion in power infrastructure firm SB Energy, ​the Wall Street Journal reported ‌on Sunday, citing draft IPO documents reviewed by the Journal.

Reuters could not immediately verify the report. SB Energy and OpenAI did not ‌immediately ​respond to Reuters ⁠requests for comment outside ⁠regular business hours.

Here are some details:

• Earlier this month, Nvidia invested $1.5 billion in SB Energy, and agreed to ​provide a guarantee of up to $105 billion to help OpenAI lease ⁠a data center in ⁠Ohio being developed by the ​company.

• SoftBank Group and OpenAI are the ​planned tenants in three SB Energy ‌data centers, the report said.

• Reuters reported, citing sources, earlier this year that SB Energy could seek a ⁠valuation of more than $50 billion in its market debut, which could come as early as ⁠next ‌month.

• SB Energy, a SoftBank ⁠subsidiary, develops large-scale power and ​data ‌center infrastructure projects. Founded in ​2019, the ⁠company is building several data center campuses to support rising demand tied to AI workloads.

(Reporting by Gnaneshwar Rajan in Bengaluru; Editing by Mrigank Dhaniwala and ​Nivedita Bhattacharjee)