NEW YORK, 21 May 2026 – SB Energy, a power infrastructure company backed by SoftBank Group and OpenAI, has confidentially filed for an initial public offering in the United States, marking the latest sign that artificial intelligence-linked power and data centre infrastructure is becoming a major capital markets theme.
The company develops large-scale power and data centre infrastructure projects, with a focus on supporting rising electricity and compute demand from AI workloads. Founded in 2019, SB Energy has raised more than US$18 billion in project capital and manages an energy portfolio of about 5 gigawatts of operating and under-construction capacity.
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